New feature to switch / load / create new contexts per object

src/ifcblenderexport/blenderbim/bim/ifc.py

@@ -1,5 +1,15 @@
+import bpy
+import ifcopenshell
+
 class IfcStore():
     path = ''
     file = None
     pset_template_path = ''
     pset_template_file = None
+
+    @staticmethod
+    def get_file():
+        if IfcStore.file is None:
+            IfcStore.path = bpy.context.scene.BIMProperties.ifc_file
+            IfcStore.file = ifcopenshell.open(IfcStore.path)
+        return IfcStore.file