Fix bug where project libraries were not legal.

src/blenderbim/generate_demo_library.py

@@ -1,4 +1,3 @@
-
 # BlenderBIM Add-on - OpenBIM Blender Add-on
 # Copyright (C) 2020, 2021 Dion Moult <dion@thinkmoult.com>
 #
@@ -29,8 +28,14 @@ class LibraryGenerator:
 
         self.file = ifcopenshell.api.run("project.create_file")
         self.project = ifcopenshell.api.run(
+            "root.create_entity", self.file, ifc_class="IfcProject", name="BlenderBIM Demo"
+        )
+        self.library = ifcopenshell.api.run(
             "root.create_entity", self.file, ifc_class="IfcProjectLibrary", name="BlenderBIM Demo Library"
         )
+        ifcopenshell.api.run(
+            "project.assign_declaration", self.file, definition=self.library, relating_context=self.project
+        )
         ifcopenshell.api.run("unit.assign_unit", self.file, length={"is_metric": True, "raw": "METERS"})
         ifcopenshell.api.run("context.add_context", self.file, context="Model")
         self.representations = {
@@ -123,7 +128,7 @@ class LibraryGenerator:
         layer_set = rel.RelatingMaterial
         layer = ifcopenshell.api.run("material.add_layer", self.file, layer_set=layer_set, material=self.material)
         layer.LayerThickness = thickness
-        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.project)
+        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library)
         return element
 
     def create_profile_type(self, ifc_class, name, profile):
@@ -134,7 +139,7 @@ class LibraryGenerator:
             "material.add_profile", self.file, profile_set=profile_set, material=self.material
         )
         ifcopenshell.api.run("material.assign_profile", self.file, material_profile=material_profile, profile=profile)
-        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.project)
+        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library)
 
     def create_type(self, ifc_class, name, representations):
         element = ifcopenshell.api.run("root.create_entity", self.file, ifc_class=ifc_class, name=name)
@@ -162,7 +167,7 @@ class LibraryGenerator:
             ifcopenshell.api.run(
                 "geometry.assign_representation", self.file, product=element, representation=representation
             )
-        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.project)
+        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library)
 
     def get_style_settings(self, material):
         transparency = material.diffuse_color[3]

src/blenderbim/generate_site_library.py

@@ -28,8 +28,14 @@ class LibraryGenerator:
 
         self.file = ifcopenshell.api.run("project.create_file")
         self.project = ifcopenshell.api.run(
+            "root.create_entity", self.file, ifc_class="IfcProject", name="BlenderBIM Demo"
+        )
+        self.library = ifcopenshell.api.run(
             "root.create_entity", self.file, ifc_class="IfcProjectLibrary", name="BlenderBIM Demo Library"
         )
+        ifcopenshell.api.run(
+            "project.assign_declaration", self.file, definition=self.library, relating_context=self.library
+        )
         ifcopenshell.api.run("unit.assign_unit", self.file, length={"is_metric": True, "raw": "METERS"})
         ifcopenshell.api.run("context.add_context", self.file, context="Model")
         self.representations = {
@@ -81,7 +87,7 @@ class LibraryGenerator:
             ifcopenshell.api.run(
                 "geometry.assign_representation", self.file, product=element, representation=representation
             )
-        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.project)
+        ifcopenshell.api.run("project.assign_declaration", self.file, definition=element, relating_context=self.library)
 
     def get_style_settings(self, material):
         transparency = material.diffuse_color[3]