Add UI for pset overrides without the need to create a CSV.

src/ifcblenderexport/blenderbim/schema.py

@@ -1,6 +1,7 @@
 import os
 import json
 import ifcopenshell
+from pathlib import Path
 
 cwd = os.path.dirname(os.path.realpath(__file__))
 
@@ -15,7 +16,10 @@ class IfcSchema():
             'IfcParameterizedProfileDef'
         ]
         self.elements = {}
-        self.property_file = ifcopenshell.open(os.path.join(self.schema_dir, 'IFC4_ADD2.ifc'))
+        self.property_files = []
+        property_paths = Path(self.schema_dir).glob('Pset_*.ifc')
+        for path in property_paths:
+            self.property_files.append(ifcopenshell.open(path))
         self.psets = {}
         self.qtos = {}
         self.load()
@@ -29,10 +33,13 @@ class IfcSchema():
         with open(os.path.join(self.schema_dir, 'ifc_types_IFC4.json')) as f:
             self.type_map = json.load(f)
 
-        for property in self.property_file.by_type('IfcPropertySetTemplate'):
-            if property.Name[0:4] == 'Qto_':
-                # self.qtos.append({ })
-                pass
-            else:
-                self.psets[property.Name] = {
-                    'HasPropertyTemplates': {p.Name: p for p in property.HasPropertyTemplates}}
+        for property_file in self.property_files:
+            for property in property_file.by_type('IfcPropertySetTemplate'):
+                if property.Name[0:4] == 'Qto_':
+                    # self.qtos.append({ })
+                    pass
+                else:
+                    self.psets[property.Name] = {
+                        'HasPropertyTemplates': {p.Name: p for p in property.HasPropertyTemplates}}
+
+ifc = IfcSchema()