IfcPatch now allows passing in IFC objects instead of filepath strings

src/ifcopenshell-python/docs/ifcpatch.rst

@@ -57,10 +57,8 @@ Here is a minimal example of how to use IfcDiff as a library:
     import ifcpatch
 
     ifcpatch.execute({
-        "input": "input.ifc",
+        "input": ifcopenshell.open("input.ifc"),
-        "output": "output.ifc",
         "recipe": "ExtractElements",
-        "log": "ifcpatch.log",
         "arguments": [".IfcWall"],
     })
 

src/ifcpatch/ifcpatch/__init__.py

@@ -18,8 +18,6 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
-# This can be packaged into one executable with ./make.py
-
 import ifcopenshell
 import logging
 import os
@@ -29,39 +27,24 @@ import collections
 import importlib
 
 
-def execute(args, is_library=None):
+def execute(args):
-    logging.basicConfig(filename=args["log"], filemode="a", level=logging.DEBUG)
+    if "log" in args:
+        logging.basicConfig(filename=args["log"], filemode="a", level=logging.DEBUG)
     logger = logging.getLogger("IFCPatch")
-    print("# Loading IFC file ...")
+    ifc_file = args["input"]
-    ifc_file = ifcopenshell.open(args["input"])
-    print("# Loading patch recipe ...")
     recipes = getattr(__import__("ifcpatch.recipes.{}".format(args["recipe"])), "recipes")
     recipe = getattr(recipes, args["recipe"])
     if recipe.Patcher.__init__.__doc__ is not None:
         patcher = recipe.Patcher(args["input"], ifc_file, logger, *args["arguments"])
     else:
         patcher = recipe.Patcher(args["input"], ifc_file, logger, args["arguments"])
-    print("# Patching ...")
     patcher.patch()
-    ifc_file = getattr(patcher, "file_patched", patcher.file)
+    return getattr(patcher, "file_patched", patcher.file)
-    if is_library is True:
-        return ifc_file
-    print("# Writing patched file ...")
-    if not args["output"]:
-        args["output"] = args["input"]
-    if isinstance(ifc_file, str):
-        with open(args["output"], "w") as text_file:
-            text_file.write(ifc_file)
-    else:
-        ifc_file.write(args["output"])
-    print("# All tasks are complete :-)")
 
 
 def extract_docs(
-    submodule_name: str,
+    submodule_name: str, cls_name: str, method_name: str = "__init__", boilerplate_args: typing.Iterable[str] = None
-    cls_name: str,
+):
-    method_name: str="__init__",
-    boilerplate_args : typing.Iterable[str]=None):
     """Extract class docstrings and method arguments
 
     :param submodule_name: Submodule from which to extract the class
@@ -70,8 +53,8 @@ def extract_docs(
     :param boilerplate_args: String iterable containing arguments that shall not be parsed
     """
     spec = importlib.util.spec_from_file_location(
-        submodule_name, 
+        submodule_name, f"{os.path.dirname(inspect.getabsfile(inspect.currentframe()))}/recipes/{submodule_name}.py"
-        f"{os.path.dirname(inspect.getabsfile(inspect.currentframe()))}/recipes/{submodule_name}.py")
+    )
     submodule = importlib.util.module_from_spec(spec)
     try:
         spec.loader.exec_module(submodule)
@@ -101,7 +84,7 @@ def _extract_docs(cls, method_name, boilerplate_args):
     type_hints = typing.get_type_hints(method)
     for input_name in inputs.keys():
         type_hint = type_hints.get(input_name, None)
-        if type_hint is None: # The argument is not type-hinted. (Or hinted to None ??)
+        if type_hint is None:  # The argument is not type-hinted. (Or hinted to None ??)
             continue
         if isinstance(type_hint, typing._UnionGenericAlias):
             inputs[input_name]["type"] = [t.__name__ for t in typing.get_args(type_hint)]

src/ifcpatch/ifcpatch/__main__.py

@@ -1,7 +1,7 @@
 #!/usr/bin/env python3
 
 # IfcPatch - IFC patching utiliy
-# Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
+# Copyright (C) 2020, 2021, 2022 Dion Moult <dion@thinkmoult.com>
 #
 # This file is part of IfcPatch.
 #
@@ -20,6 +20,7 @@
 
 import argparse
 import ifcpatch
+import ifcopenshell
 
 parser = argparse.ArgumentParser(description="Patches IFC files to fix badly formatted data")
 parser.add_argument("-i", "--input", type=str, required=True, help="The IFC file to patch")
@@ -28,4 +29,20 @@ parser.add_argument("-r", "--recipe", type=str, required=True, help="Name of the
 parser.add_argument("-l", "--log", type=str, help="Specify a log file", default="ifcpatch.log")
 parser.add_argument("-a", "--arguments", nargs="+", help="Specify custom arguments to the patch recipe")
 args = vars(parser.parse_args())
-ifcpatch.execute(args)
+
+print("# Loading IFC file ...")
+args["input"] = ifcopenshell.open(args["input"])
+
+print("# Patching ...")
+ifc_file = ifcpatch.execute(args)
+
+print("# Writing patched file ...")
+if not args["output"]:
+    args["output"] = args["input"]
+if isinstance(ifc_file, str):
+    with open(args["output"], "w") as text_file:
+        text_file.write(ifc_file)
+else:
+    ifc_file.write(args["output"])
+
+print("# All tasks are complete :-)")

src/ifcpatch/ifcpatch/recipes/ConvertLengthUnit.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -37,13 +36,13 @@ class Patcher:
         if self.file.schema == "IFC2X3":
             user = self.file_patched.add(self.file.by_type("IfcProject")[0].OwnerHistory.OwningUser)
             old_get_user = ifcopenshell.api.owner.settings.get_user
-            ifcopenshell.api.owner.settings.get_user = lambda ifc : user
+            ifcopenshell.api.owner.settings.get_user = lambda ifc: user
         project = ifcopenshell.api.run("root.create_entity", self.file_patched, ifc_class="IfcProject")
         unit_assignment = ifcopenshell.api.run("unit.assign_unit", self.file_patched, **{"length": unit})
 
         # Is there a better way?
         for element in self.file.by_type("IfcGeometricRepresentationContext", include_subtypes=False):
-            element.Precision = 1E-8
+            element.Precision = 1e-8
 
         # If we don't add openings first, they don't get converted
         for element in self.file.by_type("IfcOpeningElement"):

src/ifcpatch/ifcpatch/recipes/ConvertPropertiesToQuantities.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #

src/ifcpatch/ifcpatch/recipes/DowngradeIndexedPolyCurve.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #

src/ifcpatch/ifcpatch/recipes/Fix12DToRevitTINs.py

@@ -44,13 +44,13 @@ class Patcher:
             bm = bmesh.new()
             bm.from_mesh(data)
             bmesh.ops.remove_doubles(bm, verts=bm.verts, dist=0.01)
-            bmesh.ops.triangulate(bm, faces=bm.faces[:], quad_method='BEAUTY', ngon_method='BEAUTY')
+            bmesh.ops.triangulate(bm, faces=bm.faces[:], quad_method="BEAUTY", ngon_method="BEAUTY")
             bm.faces.ensure_lookup_table()
             for polygon in bm.faces:
                 v1, v2, v3 = [v.co.to_2d() for v in polygon.verts]
-                d1 = degrees((v2-v1).angle(v3-v1))
+                d1 = degrees((v2 - v1).angle(v3 - v1))
-                d2 = degrees((v3-v2).angle(v1-v2))
+                d2 = degrees((v3 - v2).angle(v1 - v2))
-                d3 = degrees((v1-v3).angle(v2-v3))
+                d3 = degrees((v1 - v3).angle(v2 - v3))
                 if d1 < angle_threshold or d2 < angle_threshold or d3 < angle_threshold:
                     bm.faces.remove(polygon)
             bm.to_mesh(data)

src/ifcpatch/ifcpatch/recipes/FixArchiCADToRevitDoorSwings.py

@@ -45,7 +45,7 @@ class Patcher:
         #
         # See bug https://github.com/Autodesk/revit-ifc/issues/187
 
-        #for context in self.file.by_type("IfcGeometricRepresentationSubContext"):
+        # for context in self.file.by_type("IfcGeometricRepresentationSubContext"):
         #    if context.ContextIdentifier == "FootPrint":
         #        context.ContextIdentifier = None
         #        context.ContextType = "Annotation"

src/ifcpatch/ifcpatch/recipes/MergeProject.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -20,6 +19,7 @@
 import ifcopenshell
 import ifcopenshell.util.element
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -29,9 +29,9 @@ class Patcher:
 
     def patch(self):
         source = ifcopenshell.open(self.args[0])
-        original_project = self.file.by_type('IfcProject')[0]
+        original_project = self.file.by_type("IfcProject")[0]
-        merged_project = self.file.add(source.by_type('IfcProject')[0])
+        merged_project = self.file.add(source.by_type("IfcProject")[0])
-        for element in source.by_type('IfcRoot'):
+        for element in source.by_type("IfcRoot"):
             self.file.add(element)
         for inverse in self.file.get_inverse(merged_project):
             ifcopenshell.util.element.replace_attribute(inverse, merged_project, original_project)

src/ifcpatch/ifcpatch/recipes/Migrate.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #

src/ifcpatch/ifcpatch/recipes/OffsetStoreyElevations.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -17,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -25,11 +25,11 @@ class Patcher:
         self.args = args
 
     def patch(self):
-        project = self.file.by_type('IfcProject')[0]
+        project = self.file.by_type("IfcProject")[0]
-        storeys = self.find_decomposed_ifc_class(project, 'IfcBuildingStorey')
+        storeys = self.find_decomposed_ifc_class(project, "IfcBuildingStorey")
         for storey in storeys:
             co = storey.ObjectPlacement.RelativePlacement.Location.Coordinates
-            storey.ObjectPlacement.RelativePlacement.Location.Coordinates = (co[0], co[1], co[2]+float(self.args[0]))
+            storey.ObjectPlacement.RelativePlacement.Location.Coordinates = (co[0], co[1], co[2] + float(self.args[0]))
             co = storey.ObjectPlacement.RelativePlacement.Location.Coordinates
             # NOTE  If the geometric data is provided (ObjectPlacement is
             # specified), the Elevation value shall either not be included, or

src/ifcpatch/ifcpatch/recipes/Optimise.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -22,7 +21,6 @@ import ifcopenshell.util.element
 from toposort import toposort_flatten as toposort
 
 
-
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -31,7 +29,6 @@ class Patcher:
         self.args = args
         self.optimized_file = ifcopenshell.file(schema=self.file.schema)
 
-
     def patch(self):
         def generate_instances_and_references():
             """
@@ -43,7 +40,6 @@ class Patcher:
 
         instance_mapping = {}
 
-
         def map_value(v):
             """
             Recursive function which replicates an entity instance, with
@@ -60,7 +56,6 @@ class Patcher:
                     # express simple types are not part of the toposort and just copied
                     return self.optimized_file.create_entity(v.is_a(), v[0])
 
-                
                 return instance_mapping[v]
             else:
                 # a plain python value can just be returned
@@ -76,10 +71,6 @@ class Patcher:
 
             else:
                 info_to_id[info] = id
-                instance_mapping[inst] = self.optimized_file.create_entity(
+                instance_mapping[inst] = self.optimized_file.create_entity(inst.is_a(), *map(map_value, inst))
-                    inst.is_a(),
-                    *map(map_value, inst)
-                )
 
         self.file = self.optimized_file
-        

src/ifcpatch/ifcpatch/recipes/RecycleNonRootedElements.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -20,6 +19,7 @@
 from collections import deque
 import ifcopenshell.util.element
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -31,7 +31,7 @@ class Patcher:
         deleted = []
         hashes = {}
         for element in self.file:
-            if element.is_a('IfcRoot'):
+            if element.is_a("IfcRoot"):
                 continue
             h = hash(tuple(element))
             if h in hashes:
@@ -42,13 +42,13 @@ class Patcher:
                 hashes[h] = element
         deleted.sort()
         deleted_q = deque(deleted)
-        new = ''
+        new = ""
-        for line in self.file.wrapped_data.to_string().split('\n'):
+        for line in self.file.wrapped_data.to_string().split("\n"):
             try:
-                if int(line.split('=')[0][1:]) != deleted_q[0]:
+                if int(line.split("=")[0][1:]) != deleted_q[0]:
-                    new += (line + '\n')
+                    new += line + "\n"
                 else:
                     deleted_q.popleft()
             except:
-                new += (line + '\n')
+                new += line + "\n"
         self.file = new

src/ifcpatch/ifcpatch/recipes/RegenerateGlobalIds.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #

src/ifcpatch/ifcpatch/recipes/RemoveSiteRepresentation.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -17,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -25,8 +25,8 @@ class Patcher:
         self.args = args
 
     def patch(self):
-        project = self.file.by_type('IfcProject')[0]
+        project = self.file.by_type("IfcProject")[0]
-        sites = self.find_decomposed_ifc_class(project, 'IfcSite')
+        sites = self.find_decomposed_ifc_class(project, "IfcSite")
         for site in sites:
             site.Representation = None
 

src/ifcpatch/ifcpatch/recipes/ResetAbsoluteCoordinates.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -17,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -26,8 +26,8 @@ class Patcher:
 
     def patch(self):
         placement_coord_ids = set()
-        for placement in self.file.by_type('IfcObjectPlacement'):
+        for placement in self.file.by_type("IfcObjectPlacement"):
-            [placement_coord_ids.add(e.id()) for e in self.file.traverse(placement) if e.is_a('IfcCartesianPoint')]
+            [placement_coord_ids.add(e.id()) for e in self.file.traverse(placement) if e.is_a("IfcCartesianPoint")]
 
         # Arbitrary threshold based on experience
         self.threshold = 1000000
@@ -42,9 +42,9 @@ class Patcher:
         # the case, but is very fast to run, and works for most cases.
         offset_point = None
         if self.args and len(self.args) >= 3:
-            offset_point = (float(self.args[0]),float(self.args[1]),float(self.args[2]))
+            offset_point = (float(self.args[0]), float(self.args[1]), float(self.args[2]))
         try:
-            point_lists = self.file.by_type('IfcCartesianPointList3D')
+            point_lists = self.file.by_type("IfcCartesianPointList3D")
         except:
             # IFC2X3 does not have IfcCartesianPointList3D
             point_lists = []
@@ -56,33 +56,29 @@ class Patcher:
                     continue
                 if not offset_point:
                     offset_point = (-point[0], -point[1], -point[2])
-                    self.logger.info(f'Resetting absolute coordinates by {point}')
+                    self.logger.info(f"Resetting absolute coordinates by {point}")
-                point = (
+                point = (point[0] + offset_point[0], point[1] + offset_point[1], point[2] + offset_point[2])
-                    point[0] + offset_point[0],
-                    point[1] + offset_point[1],
-                    point[2] + offset_point[2]
-                )
                 coord_list[i] = point
             point_list.CoordList = coord_list
-        for point in self.file.by_type('IfcCartesianPoint'):
+        for point in self.file.by_type("IfcCartesianPoint"):
             if len(point.Coordinates) == 2 or not self.is_point_far_away(point):
                 continue
             if point.id() in placement_coord_ids:
                 continue
             if not offset_point:
                 offset_point = (-point.Coordinates[0], -point.Coordinates[1], -point.Coordinates[2])
-                self.logger.info(f'Resetting absolute coordinates by {point}')
+                self.logger.info(f"Resetting absolute coordinates by {point}")
             point.Coordinates = (
                 point.Coordinates[0] + offset_point[0],
                 point.Coordinates[1] + offset_point[1],
-                point.Coordinates[2] + offset_point[2]
+                point.Coordinates[2] + offset_point[2],
             )
 
     def is_point_far_away(self, point):
-        if hasattr(point, 'Coordinates'):
+        if hasattr(point, "Coordinates"):
-            return abs(point.Coordinates[0]) > self.threshold \
+            return (
-                or abs(point.Coordinates[1]) > self.threshold \
+                abs(point.Coordinates[0]) > self.threshold
+                or abs(point.Coordinates[1]) > self.threshold
                 or abs(point.Coordinates[2]) > self.threshold
-        return abs(point[0]) > self.threshold \
+            )
-            or abs(point[1]) > self.threshold \
+        return abs(point[0]) > self.threshold or abs(point[1]) > self.threshold or abs(point[2]) > self.threshold
-            or abs(point[2]) > self.threshold

src/ifcpatch/ifcpatch/recipes/ResetSpatialElementLocations.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -17,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -25,7 +25,7 @@ class Patcher:
         self.args = args
 
     def patch(self):
-        project = self.file.by_type('IfcProject')[0]
+        project = self.file.by_type("IfcProject")[0]
         spatial_elements = self.find_decomposed_ifc_class(project, self.args[0])
         for spatial_element in spatial_elements:
             self.patch_placement_to_origin(spatial_element)
@@ -43,8 +43,8 @@ class Patcher:
         return results
 
     def patch_placement_to_origin(self, element):
-        element.ObjectPlacement.RelativePlacement.Location.Coordinates = (0., 0., 0.)
+        element.ObjectPlacement.RelativePlacement.Location.Coordinates = (0.0, 0.0, 0.0)
         if element.ObjectPlacement.RelativePlacement.Axis:
-            element.ObjectPlacement.RelativePlacement.Axis.DirectionRatios = (0., 0., 1.)
+            element.ObjectPlacement.RelativePlacement.Axis.DirectionRatios = (0.0, 0.0, 1.0)
         if element.ObjectPlacement.RelativePlacement.RefDirection:
-            element.ObjectPlacement.RelativePlacement.RefDirection.DirectionRatios = (1., 0., 0.)
+            element.ObjectPlacement.RelativePlacement.RefDirection.DirectionRatios = (1.0, 0.0, 0.0)

src/ifcpatch/ifcpatch/recipes/SetRefElevation.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -17,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -25,8 +25,8 @@ class Patcher:
         self.args = args
 
     def patch(self):
-        project = self.file.by_type('IfcProject')[0]
+        project = self.file.by_type("IfcProject")[0]
-        sites = self.find_decomposed_ifc_class(project, 'IfcSite')
+        sites = self.find_decomposed_ifc_class(project, "IfcSite")
         for site in sites:
             site.RefElevation = float(self.args[0])
 

src/ifcpatch/ifcpatch/recipes/SplitByBuildingStorey.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -17,6 +16,7 @@
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
 
+
 class Patcher:
     def __init__(self, src, file, logger, args=None):
         self.src = src
@@ -27,35 +27,39 @@ class Patcher:
     def patch(self):
         import ifcopenshell
         from shutil import copyfile
-        storeys = self.file.by_type('IfcBuildingStorey')
+
+        storeys = self.file.by_type("IfcBuildingStorey")
         for i, storey in enumerate(storeys):
-            dest = '{}-{}.ifc'.format(i, storey.Name)
+            dest = "{}-{}.ifc".format(i, storey.Name)
             copyfile(self.src, dest)
             old_ifc = ifcopenshell.open(dest)
             new_ifc = ifcopenshell.file(schema=self.file.schema)
-            if self.file.schema == 'IFC2X3':
+            if self.file.schema == "IFC2X3":
-                elements = old_ifc.by_type('IfcProject') + old_ifc.by_type('IfcProduct')
+                elements = old_ifc.by_type("IfcProject") + old_ifc.by_type("IfcProduct")
             else:
-                elements = old_ifc.by_type('IfcContext') + old_ifc.by_type('IfcProduct')
+                elements = old_ifc.by_type("IfcContext") + old_ifc.by_type("IfcProduct")
             inverse_elements = []
             for element in elements:
-                if element.is_a('IfcElement') \
+                if element.is_a("IfcElement") and not self.is_in_storey(element, storey):
-                        and not self.is_in_storey(element, storey):
                     element.Representation = None
                     continue
-                if element.is_a('IfcElement'):
+                if element.is_a("IfcElement"):
-                    styled_rep_items = [i for i in old_ifc.traverse(element) if i.is_a('IfcRepresentationItem') and i.StyledByItem]
+                    styled_rep_items = [
+                        i for i in old_ifc.traverse(element) if i.is_a("IfcRepresentationItem") and i.StyledByItem
+                    ]
                     [new_ifc.add(i.StyledByItem[0]) for i in styled_rep_items]
                 new_ifc.add(element)
                 inverse_elements.extend(old_ifc.get_inverse(element))
             for inverse_element in inverse_elements:
                 new_ifc.add(inverse_element)
-            for element in new_ifc.by_type('IfcElement'):
+            for element in new_ifc.by_type("IfcElement"):
                 if not self.is_in_storey(element, storey):
                     new_ifc.remove(element)
             new_ifc.write(dest)
 
     def is_in_storey(self, element, storey):
-        return element.ContainedInStructure \
+        return (
-            and element.ContainedInStructure[0].RelatingStructure.is_a('IfcBuildingStorey') \
+            element.ContainedInStructure
+            and element.ContainedInStructure[0].RelatingStructure.is_a("IfcBuildingStorey")
             and element.ContainedInStructure[0].RelatingStructure.GlobalId == storey.GlobalId
+        )

src/ifcpatch/ifcpatch/recipes/__init__.py

@@ -1,4 +1,3 @@
-
 # IfcPatch - IFC patching utiliy
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -16,4 +15,3 @@
 #
 # You should have received a copy of the GNU Lesser General Public License
 # along with IfcPatch.  If not, see <http://www.gnu.org/licenses/>.
-

src/ifcpatch/make.py

@@ -23,4 +23,3 @@ import subprocess
 
 cmd = f'pyinstaller ./bootstrap.py --name ifcpatch --onefile --clean --add-data "ifcpatch{os.pathsep}ifcpatch"'
 subprocess.check_output(cmd, shell=True)
-