Use passed context instead of bpy when available (#1607)

src/blenderbim/blenderbim/bim/module/aggregate/operator.py

@@ -17,7 +17,7 @@ class AssignObject(bpy.types.Operator):
     def _execute(self, context):
         self.file = IfcStore.get_file()
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         relating_object = bpy.data.objects.get(self.relating_object)
         if not relating_object or not relating_object.BIMObjectProperties.ifc_definition_id:
@@ -40,7 +40,7 @@ class AssignObject(bpy.types.Operator):
             spatial_collection = bpy.data.collections.get(related_object.name)
             relating_collection = bpy.data.collections.get(relating_object.name)
             if spatial_collection:
-                self.remove_collection(bpy.context.scene.collection, spatial_collection)
+                self.remove_collection(context.scene.collection, spatial_collection)
                 for collection in bpy.data.collections:
                     if collection == relating_collection:
                         if not collection.children.get(spatial_collection.name):
@@ -67,8 +67,8 @@ class EnableEditingAggregate(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        bpy.context.active_object.BIMObjectProperties.relating_object = None
+        context.active_object.BIMObjectProperties.relating_object = None
-        bpy.context.active_object.BIMObjectProperties.is_editing_aggregate = True
+        context.active_object.BIMObjectProperties.is_editing_aggregate = True
         return {"FINISHED"}
 
 
@@ -79,7 +79,7 @@ class DisableEditingAggregate(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         obj.BIMObjectProperties.is_editing_aggregate = False
         return {"FINISHED"}
 
@@ -94,9 +94,9 @@ class AddAggregate(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         aggregate_collection = bpy.data.collections.new("IfcElementAssembly/Assembly")
-        bpy.context.scene.collection.children.link(aggregate_collection)
+        context.scene.collection.children.link(aggregate_collection)
         aggregate = bpy.data.objects.new("Assembly", None)
         aggregate_collection.objects.link(aggregate)
         bpy.ops.bim.assign_class(obj=aggregate.name, ifc_class="IfcElementAssembly")

src/blenderbim/blenderbim/bim/module/attribute/operator.py

@@ -115,11 +115,11 @@ class GenerateGlobalId(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        index = bpy.context.active_object.BIMAttributeProperties.attributes.find("GlobalId")
+        index = context.active_object.BIMAttributeProperties.attributes.find("GlobalId")
         if index >= 0:
-            global_id = bpy.context.active_object.BIMAttributeProperties.attributes[index]
+            global_id = context.active_object.BIMAttributeProperties.attributes[index]
         else:
-            global_id = bpy.context.active_object.BIMAttributeProperties.attributes.add()
+            global_id = context.active_object.BIMAttributeProperties.attributes.add()
         global_id.name = "GlobalId"
         global_id.data_type = "string"
         global_id.string_value = ifcopenshell.guid.new()

src/blenderbim/blenderbim/bim/module/augin/operator.py

@@ -16,7 +16,7 @@ class AuginLogin(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        props = bpy.context.scene.AuginProperties
+        props = context.scene.AuginProperties
 
         url = "https://server.auge.pro.br/API/v3/augin_rest.php/user_login"
         payload = {"email": props.username, "password": props.password}
@@ -36,7 +36,7 @@ class AuginReset(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        props = bpy.context.scene.AuginProperties
+        props = context.scene.AuginProperties
         props.is_success = False
         return {"FINISHED"}
 
@@ -49,7 +49,7 @@ class AuginCreateNewModel(bpy.types.Operator):
     def execute(self, context):
         import boto3
         from botocore.config import Config
-        props = bpy.context.scene.AuginProperties
+        props = context.scene.AuginProperties
 
         # Create project
         url = "https://server.auge.pro.br/API/v3/augin_rest.php/new_model"
@@ -113,7 +113,7 @@ class AuginCreateNewModel(bpy.types.Operator):
         context.scene.render.image_settings.file_format = old_file_format
         context.scene.render.filepath = old_filepath
 
-        client.upload_file(bpy.context.scene.BIMProperties.ifc_file, result["s3_bucket"], result["model_path"])
+        client.upload_file(context.scene.BIMProperties.ifc_file, result["s3_bucket"], result["model_path"])
         client.upload_file(thumb_path, result["s3_bucket"], result["thumb_path"])
 
 
@@ -121,8 +121,8 @@ class AuginCreateNewModel(bpy.types.Operator):
         url = "https://server.auge.pro.br/API/v3/augin_rest.php/files_uploaded"
         payload = {
             "user_token": props.token,
-            "ifc_filesize": os.path.getsize(bpy.context.scene.BIMProperties.ifc_file),
+            "ifc_filesize": os.path.getsize(context.scene.BIMProperties.ifc_file),
-            "model_filesize": os.path.getsize(bpy.context.scene.BIMProperties.ifc_file),
+            "model_filesize": os.path.getsize(context.scene.BIMProperties.ifc_file),
             "thumb_filesize": os.path.getsize(thumb_path),
             "model_upload_path": result["model_path"],
             "thumb_upload_path": result["thumb_path"],

src/blenderbim/blenderbim/bim/module/augin/ui.py

@@ -28,7 +28,7 @@ class BIM_PT_augin(bpy.types.Panel):
         row = layout.row()
         row.label(text="Logged in as " + props.username)
 
-        if not bpy.context.scene.BIMProperties.ifc_file:
+        if not context.scene.BIMProperties.ifc_file:
             row = layout.row()
             row.label(text="No IFC Found")
             return

src/blenderbim/blenderbim/bim/module/bcf/operator.py

@@ -14,11 +14,11 @@ class NewBcfProject(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        bpy.context.scene.BCFProperties.is_loaded = False
+        context.scene.BCFProperties.is_loaded = False
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         bcfxml.new_project()
         bpy.ops.bim.load_bcf_project()
-        bpy.context.scene.BCFProperties.is_loaded = True
+        context.scene.BCFProperties.is_loaded = True
         return {"FINISHED"}
 
 
@@ -30,14 +30,14 @@ class LoadBcfProject(bpy.types.Operator):
     filter_glob: bpy.props.StringProperty(default="*.bcf;*.bcfzip", options={"HIDDEN"})
 
     def execute(self, context):
-        bpy.context.scene.BCFProperties.is_loaded = False
+        context.scene.BCFProperties.is_loaded = False
         if self.filepath:
             bcfstore.BcfStore.bcfxml = bcf.bcfxml.load(self.filepath)
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         bcfxml.get_project()
-        bpy.context.scene.BCFProperties.name = bcfxml.project.name
+        context.scene.BCFProperties.name = bcfxml.project.name
         bpy.ops.bim.load_bcf_topics()
-        bpy.context.scene.BCFProperties.is_loaded = True
+        context.scene.BCFProperties.is_loaded = True
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -53,11 +53,11 @@ class LoadBcfTopics(bpy.types.Operator):
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         bcfxml.get_topics()
-        while len(bpy.context.scene.BCFProperties.topics) > 0:
+        while len(context.scene.BCFProperties.topics) > 0:
-            bpy.context.scene.BCFProperties.topics.remove(0)
+            context.scene.BCFProperties.topics.remove(0)
         index = 0
         for topic_guid in bcfxml.topics.keys():
-            new = bpy.context.scene.BCFProperties.topics.add()
+            new = context.scene.BCFProperties.topics.add()
             bpy.ops.bim.load_bcf_topic(topic_guid = topic_guid, topic_index = index)
             index += 1
         return {"FINISHED"}
@@ -73,7 +73,7 @@ class LoadBcfTopic(bpy.types.Operator):
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         topic = bcfxml.get_topic(self.topic_guid)
-        new = bpy.context.scene.BCFProperties.topics[self.topic_index]
+        new = context.scene.BCFProperties.topics[self.topic_index]
         data_map = {
             "name": topic.guid,
             "title": topic.title,
@@ -143,7 +143,7 @@ class LoadBcfComments(bpy.types.Operator):
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         bcfxml.get_comments(self.topic_guid)
-        blender_topic = bpy.context.scene.BCFProperties.topics.get(self.topic_guid)
+        blender_topic = context.scene.BCFProperties.topics.get(self.topic_guid)
         while len(blender_topic.comments) > 0:
             blender_topic.comments.remove(0)
         for comment in bcfxml.topics[self.topic_guid].comments.values():
@@ -170,7 +170,7 @@ class EditBcfProjectName(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        bcfxml.project.name = bpy.context.scene.BCFProperties.name
+        bcfxml.project.name = context.scene.BCFProperties.name
         bcfxml.edit_project()
         return {"FINISHED"}
 
@@ -182,7 +182,7 @@ class EditBcfAuthor(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        bcfxml.author = bpy.context.scene.BCFProperties.author
+        bcfxml.author = context.scene.BCFProperties.author
         return {"FINISHED"}
 
 
@@ -192,7 +192,7 @@ class EditBcfTopicName(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         topic = bcfxml.topics[blender_topic.name]
@@ -207,7 +207,7 @@ class EditBcfTopic(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         bcfxml = bcfstore.BcfStore.get_bcfxml()
 
@@ -250,7 +250,7 @@ class AddBcfTopic(bpy.types.Operator):
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         bcfxml.add_topic()
-        new = bpy.context.scene.BCFProperties.topics.add()
+        new = context.scene.BCFProperties.topics.add()
         new.name = "New Topic"
         bpy.ops.bim.load_bcf_topics()
         return {"FINISHED"}
@@ -263,7 +263,7 @@ class AddBcfBimSnippet(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         bim_snippet = bcf.v2.data.BimSnippet()
@@ -282,7 +282,7 @@ class AddBcfRelatedTopic(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         related_topic = None
         for topic in bcfxml.topics.values():
@@ -306,7 +306,7 @@ class AddBcfHeaderFile(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         header_file = bcf.v2.data.HeaderFile()
@@ -329,9 +329,9 @@ class ViewBcfTopic(bpy.types.Operator):
     topic_guid: bpy.props.StringProperty()
 
     def execute(self, context):
-        for index, topic in enumerate(bpy.context.scene.BCFProperties.topics):
+        for index, topic in enumerate(context.scene.BCFProperties.topics):
             if topic.guid.lower() == self.topic_guid.lower():
-                bpy.context.scene.BCFProperties.active_topic_index = index
+                context.scene.BCFProperties.active_topic_index = index
         return {"FINISHED"}
 
 
@@ -341,44 +341,44 @@ class AddBcfViewpoint(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        if not bpy.context.scene.camera:
+        if not context.scene.camera:
             return {"FINISHED"}
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         viewpoint = bcf.v2.data.Viewpoint()
 
-        if bpy.context.scene.camera.data.type == "ORTHO":
+        if context.scene.camera.data.type == "ORTHO":
             camera = bcf.v2.data.OrthogonalCamera()
-            camera.view_to_world_scale = bpy.context.scene.camera.data.ortho_scale
+            camera.view_to_world_scale = context.scene.camera.data.ortho_scale
             viewpoint.orthogonal_camera = camera
-        elif bpy.context.scene.camera.data.type == "PERSP":
+        elif context.scene.camera.data.type == "PERSP":
             camera = bcf.v2.data.PerspectiveCamera()
-            camera.field_of_view = degrees(bpy.context.scene.camera.data.angle)
+            camera.field_of_view = degrees(context.scene.camera.data.angle)
             viewpoint.perspective_camera = camera
-        camera.camera_view_point.x = bpy.context.scene.camera.location.x
+        camera.camera_view_point.x = context.scene.camera.location.x
-        camera.camera_view_point.y = bpy.context.scene.camera.location.y
+        camera.camera_view_point.y = context.scene.camera.location.y
-        camera.camera_view_point.z = bpy.context.scene.camera.location.z
+        camera.camera_view_point.z = context.scene.camera.location.z
-        direction = bpy.context.scene.camera.matrix_world.to_quaternion() @ Vector((0.0, 0.0, -1.0))
+        direction = context.scene.camera.matrix_world.to_quaternion() @ Vector((0.0, 0.0, -1.0))
         camera.camera_direction.x = direction.x
         camera.camera_direction.y = direction.y
         camera.camera_direction.z = direction.z
-        up = bpy.context.scene.camera.matrix_world.to_quaternion() @ Vector((0.0, 1.0, 0.0))
+        up = context.scene.camera.matrix_world.to_quaternion() @ Vector((0.0, 1.0, 0.0))
         camera.camera_up_vector.x = up.x
         camera.camera_up_vector.y = up.y
         camera.camera_up_vector.z = up.z
 
-        old_file_format = bpy.context.scene.render.image_settings.file_format
+        old_file_format = context.scene.render.image_settings.file_format
-        bpy.context.scene.render.image_settings.file_format = "PNG"
+        context.scene.render.image_settings.file_format = "PNG"
-        old_filepath = bpy.context.scene.render.filepath
+        old_filepath = context.scene.render.filepath
-        bpy.context.scene.render.filepath = os.path.join(bpy.context.scene.BIMProperties.data_dir, "snapshot.png")
+        context.scene.render.filepath = os.path.join(context.scene.BIMProperties.data_dir, "snapshot.png")
         bpy.ops.render.opengl(write_still=True)
-        viewpoint.snapshot = bpy.context.scene.render.filepath
+        viewpoint.snapshot = context.scene.render.filepath
 
         bcfxml.add_viewpoint(topic, viewpoint)
-        bpy.context.scene.render.filepath = old_filepath
+        context.scene.render.filepath = old_filepath
-        bpy.context.scene.render.image_settings.file_format = old_file_format
+        context.scene.render.image_settings.file_format = old_file_format
         props.active_topic_index = props.active_topic_index # refreshes the BCF Topic
         return {"FINISHED"}
 
@@ -390,7 +390,7 @@ class RemoveBcfViewpoint(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         viewpoint_guid = blender_topic.viewpoints
         topic = bcfxml.topics[blender_topic.name]
@@ -407,7 +407,7 @@ class RemoveBcfFile(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         bcfxml.delete_file(topic, self.index)
@@ -422,7 +422,7 @@ class AddBcfReferenceLink(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         if not blender_topic.reference_link:
@@ -441,7 +441,7 @@ class AddBcfDocumentReference(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         if not blender_topic.document_reference:
@@ -463,7 +463,7 @@ class AddBcfLabel(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         if not blender_topic.label:
@@ -483,7 +483,7 @@ class EditBcfReferenceLinks(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         for index, reference_link in enumerate(topic.reference_links):
@@ -501,7 +501,7 @@ class EditBcfLabels(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         for index, label in enumerate(blender_topic.labels):
@@ -520,7 +520,7 @@ class RemoveBcfReferenceLink(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         del topic.reference_links[self.index]
@@ -537,7 +537,7 @@ class RemoveBcfLabel(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         del topic.labels[self.index]
@@ -553,7 +553,7 @@ class RemoveBcfBimSnippet(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         bcfxml.delete_bim_snippet(topic)
@@ -571,7 +571,7 @@ class RemoveBcfDocumentReference(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         bcfxml.delete_document_reference(topic, self.index)
@@ -587,7 +587,7 @@ class RemoveBcfRelatedTopic(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         del topic.related_topics[self.index]
@@ -604,7 +604,7 @@ class RemoveBcfComment(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         bcfxml.delete_comment(self.comment_guid, topic)
@@ -620,7 +620,7 @@ class EditBcfComment(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         blender_comment = blender_topic.comments.get(self.comment_guid)
         topic = bcfxml.topics[blender_topic.name]
@@ -639,7 +639,7 @@ class AddBcfComment(bpy.types.Operator):
 
     def execute(self, context):
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         if not blender_topic.comment:
@@ -662,7 +662,7 @@ class ActivateBcfViewpoint(bpy.types.Operator):
     def execute(self, context):
         self.file = IfcStore.get_file()
         bcfxml = bcfstore.BcfStore.get_bcfxml()
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         blender_topic = props.topics[props.active_topic_index]
         topic = bcfxml.topics[blender_topic.name]
         if not topic.viewpoints:
@@ -673,11 +673,11 @@ class ActivateBcfViewpoint(bpy.types.Operator):
         obj = bpy.data.objects.get("Viewpoint")
         if not obj:
             obj = bpy.data.objects.new("Viewpoint", bpy.data.cameras.new("Viewpoint"))
-            bpy.context.scene.collection.objects.link(obj)
+            context.scene.collection.objects.link(obj)
-            bpy.context.scene.camera = obj
+            context.scene.camera = obj
 
-        cam_width = bpy.context.scene.render.resolution_x
+        cam_width = context.scene.render.resolution_x
-        cam_height = bpy.context.scene.render.resolution_y
+        cam_height = context.scene.render.resolution_y
         cam_aspect = cam_width / cam_height
 
         if viewpoint.snapshot:
@@ -697,7 +697,7 @@ class ActivateBcfViewpoint(bpy.types.Operator):
             else:
                 background.frame_method = "CROP"
             background.display_depth = "FRONT"
-        area = next(area for area in bpy.context.screen.areas if area.type == "VIEW_3D")
+        area = next(area for area in context.screen.areas if area.type == "VIEW_3D")
         area.spaces[0].region_3d.view_perspective = "CAMERA"
 
         if viewpoint.orthogonal_camera:
@@ -719,13 +719,13 @@ class ActivateBcfViewpoint(bpy.types.Operator):
         if gp:
             bpy.data.grease_pencils.remove(gp)
         if viewpoint.lines:
-            self.draw_lines(viewpoint)
+            self.draw_lines(viewpoint, context)
 
-        self.delete_clipping_planes()
+        self.delete_clipping_planes(context)
         if viewpoint.clipping_planes:
             self.create_clipping_planes(viewpoint)
 
-        self.delete_bitmaps()
+        self.delete_bitmaps(context)
         if viewpoint.bitmaps:
             self.create_bitmaps(bcfxml, viewpoint, topic)
 
@@ -776,9 +776,9 @@ class ActivateBcfViewpoint(bpy.types.Operator):
             if global_id in global_id_colours:
                 obj.color = self.hex_to_rgb(global_id_colours[global_id])
 
-    def draw_lines(self, viewpoint):
+    def draw_lines(self, viewpoint, context):
         gp = bpy.data.grease_pencils.new("BCF")
-        scene = bpy.context.scene
+        scene = context.scene
         scene.grease_pencil = gp
         scene.frame_set(1)
         layer = gp.layers.new("BCF Annotation", set_active=True)
@@ -808,19 +808,19 @@ class ActivateBcfViewpoint(bpy.types.Operator):
             )
             n += 1
 
-    def delete_clipping_planes(self):
+    def delete_clipping_planes(self, context):
         collection = bpy.data.collections.get("Sections")
         if not collection:
             return
         for section in collection.objects:
-            bpy.context.view_layer.objects.active = section
+            context.view_layer.objects.active = section
             bpy.ops.bim.remove_section_plane()
 
-    def delete_bitmaps(self):
+    def delete_bitmaps(self, context):
         collection = bpy.data.collections.get("Bitmaps")
         if not collection:
             collection = bpy.data.collections.new("Bitmaps")
-            bpy.context.scene.collection.children.link(collection)
+            context.scene.collection.children.link(collection)
         for bitmap in collection.objects:
             bpy.data.objects.remove(bitmap)
 
@@ -860,7 +860,7 @@ class OpenBcfReferenceLink(bpy.types.Operator):
     index: bpy.props.IntProperty()
 
     def execute(self, context):
-        webbrowser.open(bpy.context.scene.BCFProperties.topic_links[self.index].name)
+        webbrowser.open(context.scene.BCFProperties.topic_links[self.index].name)
         return {"FINISHED"}
 
 
@@ -872,7 +872,7 @@ class SelectBcfHeaderFile(bpy.types.Operator):
 
     def execute(self, context):
         if self.filepath:
-            props = bpy.context.scene.BCFProperties
+            props = context.scene.BCFProperties
             topic = props.topics[props.active_topic_index]
             topic.file_reference = self.filepath
         return {"FINISHED"}
@@ -890,7 +890,7 @@ class SelectBcfBimSnippetReference(bpy.types.Operator):
 
     def execute(self, context):
         if self.filepath:
-            props = bpy.context.scene.BCFProperties
+            props = context.scene.BCFProperties
             topic = props.topics[props.active_topic_index]
             topic.bim_snippet_reference = self.filepath
         return {"FINISHED"}
@@ -908,7 +908,7 @@ class SelectBcfDocumentReference(bpy.types.Operator):
 
     def execute(self, context):
         if self.filepath:
-            props = bpy.context.scene.BCFProperties
+            props = context.scene.BCFProperties
             topic = props.topics[props.active_topic_index]
             topic.document_reference = self.filepath
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/bcf/prop.py

@@ -23,37 +23,37 @@ def purge():
 
 
 def updateBcfReferenceLink(self, context):
-    if bpy.context.scene.BCFProperties.is_loaded:
+    if context.scene.BCFProperties.is_loaded:
         bpy.ops.bim.edit_bcf_reference_links()
 
 
 def updateBcfLabel(self, context):
-    if bpy.context.scene.BCFProperties.is_loaded:
+    if context.scene.BCFProperties.is_loaded:
         bpy.ops.bim.edit_bcf_labels()
 
 
 def updateBcfProjectName(self, context):
-    if bpy.context.scene.BCFProperties.is_loaded:
+    if context.scene.BCFProperties.is_loaded:
         bpy.ops.bim.edit_bcf_project_name()
 
 
 def updateBcfAuthor(self, context):
-    if bpy.context.scene.BCFProperties.is_loaded:
+    if context.scene.BCFProperties.is_loaded:
         bpy.ops.bim.edit_bcf_author()
 
 
 def updateBcfTopicName(self, context):
-    if bpy.context.scene.BCFProperties.is_loaded:
+    if context.scene.BCFProperties.is_loaded:
         bpy.ops.bim.edit_bcf_topic_name()
 
 
 def updateBcfTopicIsEditable(self, context):
-    if bpy.context.scene.BCFProperties.is_loaded and not self.is_editable:
+    if context.scene.BCFProperties.is_loaded and not self.is_editable:
         bpy.ops.bim.edit_bcf_topic()
 
 
 def updateBcfCommentIsEditable(self, context):
-    if bpy.context.scene.BCFProperties.is_loaded and not self.is_editable:
+    if context.scene.BCFProperties.is_loaded and not self.is_editable:
         bpy.ops.bim.edit_bcf_comment(comment_guid = self.name)
 
 
@@ -61,7 +61,7 @@ def refreshBcfTopic(self, context):
     global bcfviewpoints_enum
     bcfviewpoints_enum = None
 
-    props = bpy.context.scene.BCFProperties
+    props = context.scene.BCFProperties
     bcfxml = bcfstore.BcfStore.get_bcfxml()
     topic = props.topics[props.active_topic_index]
     header = bcfxml.get_header(topic.name)
@@ -80,7 +80,7 @@ def getBcfViewpoints(self, context):
     global bcfviewpoints_enum
     if bcfviewpoints_enum is None:
         bcfviewpoints_enum = []
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         bcfxml = bcfstore.BcfStore.get_bcfxml()
         topic = props.topics[props.active_topic_index]
         viewpoints = bcfxml.get_viewpoints(topic.name)

src/blenderbim/blenderbim/bim/module/bcf/ui.py

@@ -17,7 +17,7 @@ class BIM_PT_bcf(Panel):
         layout.use_property_decorate = False
 
         scene = context.scene
-        props = bpy.context.scene.BCFProperties
+        props = scene.BCFProperties
 
         row = layout.row(align=True)
         row.operator("bim.new_bcf_project", text="New Project")
@@ -34,7 +34,7 @@ class BIM_PT_bcf(Panel):
         row = layout.row()
         row.prop(props, "author")
 
-        props = bpy.context.scene.BCFProperties
+        props = context.scene.BCFProperties
         row = layout.row()
         row.template_list("BIM_UL_topics", "", props, "topics", props, "active_topic_index")
         col = row.column(align=True)
@@ -93,7 +93,7 @@ class BIM_PT_bcf_metadata(Panel):
         layout.use_property_decorate = False
 
         scene = context.scene
-        props = bpy.context.scene.BCFProperties
+        props = scene.BCFProperties
 
         if props.active_topic_index >= len(props.topics):
             layout.label(text="No BCF project is loaded")
@@ -236,7 +236,7 @@ class BIM_PT_bcf_comments(Panel):
         layout.use_property_decorate = False
 
         scene = context.scene
-        props = bpy.context.scene.BCFProperties
+        props = scene.BCFProperties
 
         if props.active_topic_index >= len(props.topics):
             layout.label(text="No BCF project is loaded")

src/blenderbim/blenderbim/bim/module/bimtester/operator.py

@@ -52,11 +52,11 @@ class BIMTesterPurge(bpy.types.Operator):
 
     def execute(self, context):
         filename = os.path.join(
-            bpy.context.scene.BimTesterProperties.features_dir,
+            context.scene.BimTesterProperties.features_dir,
-            bpy.context.scene.BimTesterProperties.features_file + ".feature",
+            context.scene.BimTesterProperties.features_file + ".feature",
         )
         cwd = os.getcwd()
-        os.chdir(bpy.context.scene.BimTesterProperties.features_dir)
+        os.chdir(context.scene.BimTesterProperties.features_dir)
         bimtester.clean.TestPurger().purge()
         os.chdir(cwd)
         return {"FINISHED"}
@@ -71,7 +71,7 @@ class SelectFeature(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.BimTesterProperties.feature = self.filepath
+        context.scene.BimTesterProperties.feature = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -88,7 +88,7 @@ class SelectSteps(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.BimTesterProperties.steps = self.filepath
+        context.scene.BimTesterProperties.steps = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -120,14 +120,14 @@ class RejectElement(bpy.types.Operator):
     def execute(self, context):
         lines = []
         self.file = IfcStore.get_file()
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             lines.append(
                 " * The element {} should not exist because {}".format(
                     self.file.by_id(obj.BIMObjectProperties.ifc_definition_id).GlobalId,
-                    bpy.context.scene.BimTesterProperties.qa_reject_element_reason,
+                    context.scene.BimTesterProperties.qa_reject_element_reason,
                 )
             )
-        QAHelper.append_to_scenario(lines)
+        QAHelper.append_to_scenario(lines, context)
         return {"FINISHED"}
 
 
@@ -138,12 +138,12 @@ class ApproveClass(bpy.types.Operator):
     def execute(self, context):
         lines = []
         self.file = IfcStore.get_file()
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
             lines.append(" * The element {} is an {}".format(element.GlobalId, element.is_a()))
-        QAHelper.append_to_scenario(lines)
+        QAHelper.append_to_scenario(lines, context)
         return {"FINISHED"}
 
 
@@ -154,16 +154,16 @@ class RejectClass(bpy.types.Operator):
     def execute(self, context):
         lines = []
         self.file = IfcStore.get_file()
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             lines.append(
                 " * The element {} is an {}".format(
                     self.file.by_id(obj.BIMObjectProperties.ifc_definition_id).GlobalId,
-                    bpy.context.scene.BimTesterProperties.audit_ifc_class,
+                    context.scene.BimTesterProperties.audit_ifc_class,
                 )
             )
-        QAHelper.append_to_scenario(lines)
+        QAHelper.append_to_scenario(lines, context)
         return {"FINISHED"}
 
 
@@ -175,7 +175,7 @@ class SelectAudited(bpy.types.Operator):
     def execute(self, context):
         audited_global_ids = []
         self.file = IfcStore.get_file()
-        for filename in Path(bpy.context.scene.BimTesterProperties.features_dir).glob("*.feature"):
+        for filename in Path(context.scene.BimTesterProperties.features_dir).glob("*.feature"):
             with open(filename, "r") as feature_file:
                 lines = feature_file.readlines()
                 for line in lines:
@@ -183,7 +183,7 @@ class SelectAudited(bpy.types.Operator):
                     for word in words:
                         if self.is_a_global_id(word):
                             audited_global_ids.append(word)
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             if self.file.by_id(obj.BIMObjectProperties.ifc_definition_id).GlobalId in audited_global_ids:
@@ -196,10 +196,10 @@ class SelectAudited(bpy.types.Operator):
 
 class QAHelper:
     @classmethod
-    def append_to_scenario(cls, lines):
+    def append_to_scenario(cls, lines, context):
         filename = os.path.join(
-            bpy.context.scene.BimTesterProperties.features_dir,
+            context.scene.BimTesterProperties.features_dir,
-            bpy.context.scene.BimTesterProperties.features_file + ".feature",
+            context.scene.BimTesterProperties.features_file + ".feature",
         )
         if os.path.exists(filename + "~"):
             os.remove(filename + "~")
@@ -210,7 +210,7 @@ class QAHelper:
                 for source_line in source:
                     if (
                         "Scenario: " in source_line
-                        and bpy.context.scene.BimTesterProperties.scenario == source_line.strip()[len("Scenario: ") :]
+                        and context.scene.BimTesterProperties.scenario == source_line.strip()[len("Scenario: ") :]
                     ):
                         is_in_scenario = True
                     elif is_in_scenario:

src/blenderbim/blenderbim/bim/module/clash/operator.py

@@ -23,7 +23,7 @@ class ExportClashSets(bpy.types.Operator):
     def execute(self, context):
         self.filepath = bpy.path.ensure_ext(self.filepath, ".json")
         clash_sets = []
-        for clash_set in bpy.context.scene.BIMClashProperties.clash_sets:
+        for clash_set in context.scene.BIMClashProperties.clash_sets:
             self.a = []
             self.b = []
             for ab in ["a", "b"]:
@@ -56,7 +56,7 @@ class ImportClashSets(bpy.types.Operator):
         with open(self.filepath) as f:
             clash_sets = json.load(f)
         for clash_set in clash_sets:
-            new = bpy.context.scene.BIMClashProperties.clash_sets.add()
+            new = context.scene.BIMClashProperties.clash_sets.add()
             new.name = clash_set["name"]
             new.tolerance = clash_set["tolerance"]
             for clash_source in clash_set["a"]:
@@ -81,7 +81,7 @@ class AddClashSet(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        new = bpy.context.scene.BIMClashProperties.clash_sets.add()
+        new = context.scene.BIMClashProperties.clash_sets.add()
         new.name = "New Clash Set"
         new.tolerance = 0.01
         return {"FINISHED"}
@@ -94,7 +94,7 @@ class RemoveClashSet(bpy.types.Operator):
     index: bpy.props.IntProperty()
 
     def execute(self, context):
-        bpy.context.scene.BIMClashProperties.clash_sets.remove(self.index)
+        context.scene.BIMClashProperties.clash_sets.remove(self.index)
         return {"FINISHED"}
 
 
@@ -105,7 +105,7 @@ class AddClashSource(bpy.types.Operator):
     group: bpy.props.StringProperty()
 
     def execute(self, context):
-        clash_set = bpy.context.scene.BIMClashProperties.clash_sets[bpy.context.scene.BIMClashProperties.active_clash_set_index]
+        clash_set = context.scene.BIMClashProperties.clash_sets[context.scene.BIMClashProperties.active_clash_set_index]
         source = getattr(clash_set, self.group).add()
         return {"FINISHED"}
 
@@ -118,7 +118,7 @@ class RemoveClashSource(bpy.types.Operator):
     group: bpy.props.StringProperty()
 
     def execute(self, context):
-        clash_set = bpy.context.scene.BIMClashProperties.clash_sets[bpy.context.scene.BIMClashProperties.active_clash_set_index]
+        clash_set = context.scene.BIMClashProperties.clash_sets[context.scene.BIMClashProperties.active_clash_set_index]
         getattr(clash_set, self.group).remove(self.index)
         return {"FINISHED"}
 
@@ -133,7 +133,7 @@ class SelectClashSource(bpy.types.Operator):
     group: bpy.props.StringProperty()
 
     def execute(self, context):
-        clash_set = bpy.context.scene.BIMClashProperties.clash_sets[bpy.context.scene.BIMClashProperties.active_clash_set_index]
+        clash_set = context.scene.BIMClashProperties.clash_sets[context.scene.BIMClashProperties.active_clash_set_index]
         getattr(clash_set, self.group)[self.index].name = self.filepath
         return {"FINISHED"}
 
@@ -149,7 +149,7 @@ class SelectClashResults(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.BIMClashProperties.clash_results_path = self.filepath
+        context.scene.BIMClashProperties.clash_results_path = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -164,7 +164,7 @@ class SelectSmartGroupedClashesPath(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.BIMClashProperties.smart_grouped_clashes_path = self.filepath
+        context.scene.BIMClashProperties.smart_grouped_clashes_path = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -196,32 +196,32 @@ class ExecuteIfcClash(bpy.types.Operator):
         settings.logger.setLevel(logging.DEBUG)
         ifc_clasher = ifcclash.IfcClasher(settings)
 
-        if bpy.context.scene.BIMClashProperties.should_create_clash_snapshots:
+        if context.scene.BIMClashProperties.should_create_clash_snapshots:
 
             def get_viewpoint_snapshot(self, viewpoint, mat):
                 camera = bpy.data.objects.get("IFC Clash Camera")
                 if not camera:
                     camera = bpy.data.objects.new("IFC Clash Camera", bpy.data.cameras.new("IFC Clash Camera"))
-                    bpy.context.scene.collection.objects.link(camera)
+                    context.scene.collection.objects.link(camera)
                 camera.matrix_world = Matrix(mat)
-                bpy.context.scene.camera = camera
+                context.scene.camera = camera
                 camera.data.angle = radians(60)
-                area = next(area for area in bpy.context.screen.areas if area.type == "VIEW_3D")
+                area = next(area for area in context.screen.areas if area.type == "VIEW_3D")
                 area.spaces[0].region_3d.view_perspective = "CAMERA"
                 area.spaces[0].shading.show_xray = True
-                bpy.context.scene.render.resolution_x = 480
+                context.scene.render.resolution_x = 480
-                bpy.context.scene.render.resolution_y = 270
+                context.scene.render.resolution_y = 270
-                bpy.context.scene.render.image_settings.file_format = "PNG"
+                context.scene.render.image_settings.file_format = "PNG"
-                bpy.context.scene.render.filepath = os.path.join(
+                context.scene.render.filepath = os.path.join(
-                    bpy.context.scene.BIMProperties.data_dir, "snapshot.png"
+                    context.scene.BIMProperties.data_dir, "snapshot.png"
                 )
                 bpy.ops.render.opengl(write_still=True)
-                return bpy.context.scene.render.filepath
+                return context.scene.render.filepath
 
             ifcclash.IfcClasher.get_viewpoint_snapshot = get_viewpoint_snapshot
 
         ifc_clasher.clash_sets = []
-        for clash_set in bpy.context.scene.BIMClashProperties.clash_sets:
+        for clash_set in context.scene.BIMClashProperties.clash_sets:
             self.a = []
             self.b = []
             for ab in ["a", "b"]:
@@ -256,8 +256,8 @@ class SelectIfcClashResults(bpy.types.Operator):
         self.filepath = bpy.path.ensure_ext(self.filepath, ".json")
         with open(self.filepath) as f:
             clash_sets = json.load(f)
-        clash_set_name = bpy.context.scene.BIMClashProperties.clash_sets[
+        clash_set_name = context.scene.BIMClashProperties.clash_sets[
-            bpy.context.scene.BIMClashProperties.active_clash_set_index
+            context.scene.BIMClashProperties.active_clash_set_index
         ].name
         global_ids = []
         for clash_set in clash_sets:
@@ -268,7 +268,7 @@ class SelectIfcClashResults(bpy.types.Operator):
                 return {"CANCELLED"}
             for clash in clash_set["clashes"].values():
                 global_ids.extend([clash["a_global_id"], clash["b_global_id"]])
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
@@ -287,7 +287,7 @@ class SmartClashGroup(bpy.types.Operator):
         import ifcclash
 
         settings = ifcclash.IfcClashSettings()
-        self.filepath = bpy.path.ensure_ext(bpy.context.scene.BIMClashProperties.clash_results_path, ".json")
+        self.filepath = bpy.path.ensure_ext(context.scene.BIMClashProperties.clash_results_path, ".json")
         settings.output = self.filepath
         settings.logger = logging.getLogger("Clash")
         settings.logger.setLevel(logging.DEBUG)
@@ -297,21 +297,21 @@ class SmartClashGroup(bpy.types.Operator):
             clash_sets = json.load(f)
 
         # execute the smart grouping
-        save_path = bpy.path.ensure_ext(bpy.context.scene.BIMClashProperties.smart_grouped_clashes_path, ".json")
+        save_path = bpy.path.ensure_ext(context.scene.BIMClashProperties.smart_grouped_clashes_path, ".json")
         smart_grouped_clashes = ifc_clasher.smart_group_clashes(
-            clash_sets, bpy.context.scene.BIMClashProperties.smart_clash_grouping_max_distance
+            clash_sets, context.scene.BIMClashProperties.smart_clash_grouping_max_distance
         )
 
         # save smart_groups to json
         with open(save_path, "w") as f:
             f.write(json.dumps(smart_grouped_clashes))
 
-        clash_set_name = bpy.context.scene.BIMClashProperties.clash_sets[
+        clash_set_name = context.scene.BIMClashProperties.clash_sets[
-            bpy.context.scene.BIMClashProperties.active_clash_set_index
+            context.scene.BIMClashProperties.active_clash_set_index
         ].name
 
         # Reset the list of smart_clash_groups for the UI
-        bpy.context.scene.BIMClashProperties.smart_clash_groups.clear()
+        context.scene.BIMClashProperties.smart_clash_groups.clear()
 
         for clash_set, smart_groups in smart_grouped_clashes.items():
             # Only select the clashes that correspond to the actively selected IFC Clash Set
@@ -319,7 +319,7 @@ class SmartClashGroup(bpy.types.Operator):
                 continue
             else:
                 for smart_group, global_id_pairs in smart_groups[0].items():
-                    new_group = bpy.context.scene.BIMClashProperties.smart_clash_groups.add()
+                    new_group = context.scene.BIMClashProperties.smart_clash_groups.add()
                     new_group.number = f"{smart_group}"
 
                     for pair in global_id_pairs:
@@ -336,17 +336,17 @@ class LoadSmartGroupsForActiveClashSet(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        smart_groups_path = bpy.path.ensure_ext(bpy.context.scene.BIMClashProperties.smart_grouped_clashes_path, ".json")
+        smart_groups_path = bpy.path.ensure_ext(context.scene.BIMClashProperties.smart_grouped_clashes_path, ".json")
 
-        clash_set_name = bpy.context.scene.BIMClashProperties.clash_sets[
+        clash_set_name = context.scene.BIMClashProperties.clash_sets[
-            bpy.context.scene.BIMClashProperties.active_clash_set_index
+            context.scene.BIMClashProperties.active_clash_set_index
         ].name
 
         with open(smart_groups_path) as f:
             smart_grouped_clashes = json.load(f)
 
         # Reset the list of smart_clash_groups for the UI
-        bpy.context.scene.BIMClashProperties.smart_clash_groups.clear()
+        context.scene.BIMClashProperties.smart_clash_groups.clear()
 
         for clash_set, smart_groups in smart_grouped_clashes.items():
             # Only select the clashes that correspond to the actively selected IFC Clash Set
@@ -354,7 +354,7 @@ class LoadSmartGroupsForActiveClashSet(bpy.types.Operator):
                 continue
             else:
                 for smart_group, global_id_pairs in smart_groups[0].items():
-                    new_group = bpy.context.scene.BIMClashProperties.smart_clash_groups.add()
+                    new_group = context.scene.BIMClashProperties.smart_clash_groups.add()
                     new_group.number = f"{smart_group}"
                     for pair in global_id_pairs:
                         for id in pair:
@@ -371,12 +371,12 @@ class SelectSmartGroup(bpy.types.Operator):
 
     def execute(self, context):
         # Select smart group in view
-        selected_smart_group = bpy.context.scene.BIMClashProperties.smart_clash_groups[
+        selected_smart_group = context.scene.BIMClashProperties.smart_clash_groups[
-            bpy.context.scene.BIMCLashProperties.active_smart_group_index
+            context.scene.BIMCLashProperties.active_smart_group_index
         ]
         # print(selected_smart_group.number)
 
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
@@ -391,13 +391,13 @@ class SelectSmartGroup(bpy.types.Operator):
 
 
 class BlenderClasher:
-    def process_clash_set(self):
+    def process_clash_set(self, context):
         import collision
 
         a_cm = collision.CollisionManager()
         b_cm = collision.CollisionManager()
-        self.add_to_cm(a_cm, bpy.context.scene.BIMClashProperties.blender_clash_set_a)
+        self.add_to_cm(a_cm, context.scene.BIMClashProperties.blender_clash_set_a, context)
-        self.add_to_cm(b_cm, bpy.context.scene.BIMClashProperties.blender_clash_set_b)
+        self.add_to_cm(b_cm, context.scene.BIMClashProperties.blender_clash_set_b, context)
         results = a_cm.in_collision_other(b_cm, return_data=True)
         if not results[0]:
             print("No clashes")
@@ -410,20 +410,20 @@ class BlenderClasher:
             print(contact.raw.normal)
             print(contact.raw.pos)
 
-    def add_to_cm(self, cm, object_names):
+    def add_to_cm(self, cm, object_names, context):
         import ifcclash
 
         for object_name in object_names:
             name = object_name.name
             obj = bpy.data.objects[name]
-            triangulated_mesh = self.triangulate_mesh(obj)
+            triangulated_mesh = self.triangulate_mesh(obj, context)
             mesh = ifcclash.Mesh()
             mesh.vertices = np.array([tuple(obj.matrix_world @ v.co) for v in triangulated_mesh.vertices])
             mesh.faces = np.array([tuple(p.vertices) for p in triangulated_mesh.polygons])
             cm.add_object(name, mesh)
 
-    def triangulate_mesh(self, obj):
+    def triangulate_mesh(self, obj, context):
-        mesh = obj.evaluated_get(bpy.context.evaluated_depsgraph_get()).to_mesh()
+        mesh = obj.evaluated_get(context.evaluated_depsgraph_get()).to_mesh()
         bm = bmesh.new()
         bm.from_mesh(mesh)
         bmesh.ops.triangulate(bm, faces=bm.faces)
@@ -439,10 +439,10 @@ class SetBlenderClashSetA(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        while len(bpy.context.scene.BIMClashProperties.blender_clash_set_a) > 0:
+        while len(context.scene.BIMClashProperties.blender_clash_set_a) > 0:
-            bpy.context.scene.BIMClashProperties.blender_clash_set_a.remove(0)
+            context.scene.BIMClashProperties.blender_clash_set_a.remove(0)
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
-            new = bpy.context.scene.BIMClashProperties.blender_clash_set_a.add()
+            new = context.scene.BIMClashProperties.blender_clash_set_a.add()
             new.name = obj.name
         return {"FINISHED"}
 
@@ -453,10 +453,10 @@ class SetBlenderClashSetB(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        while len(bpy.context.scene.BIMClashProperties.blender_clash_set_b) > 0:
+        while len(context.scene.BIMClashProperties.blender_clash_set_b) > 0:
-            bpy.context.scene.BIMClashProperties.blender_clash_set_b.remove(0)
+            context.scene.BIMClashProperties.blender_clash_set_b.remove(0)
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
-            new = bpy.context.scene.BIMClashProperties.blender_clash_set_b.add()
+            new = context.scene.BIMClashProperties.blender_clash_set_b.add()
             new.name = obj.name
         return {"FINISHED"}
 
@@ -467,5 +467,5 @@ class ExecuteBlenderClash(bpy.types.Operator):
 
     def execute(self, context):
         blender_clasher = BlenderClasher()
-        blender_clasher.process_clash_set()
+        blender_clasher.process_clash_set(context)
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/classification/operator.py

@@ -133,7 +133,7 @@ class EnableEditingClassificationReference(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         props = obj.BIMClassificationReferenceProperties
         while len(props.reference_attributes) > 0:
             props.reference_attributes.remove(0)
@@ -157,7 +157,7 @@ class DisableEditingClassificationReference(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         obj.BIMClassificationReferenceProperties.active_reference_id = 0
         return {"FINISHED"}
 
@@ -173,7 +173,7 @@ class RemoveClassificationReference(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "classification.remove_reference",
@@ -198,7 +198,7 @@ class EditClassificationReference(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         props = obj.BIMClassificationReferenceProperties
         attributes = {}
         for attribute in props.reference_attributes:
@@ -228,7 +228,7 @@ class AddClassificationReference(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
 
         classification = None

src/blenderbim/blenderbim/bim/module/cobie/operator.py

@@ -15,7 +15,7 @@ class SelectCobieIfcFile(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.COBieProperties.cobie_ifc_file = self.filepath
+        context.scene.COBieProperties.cobie_ifc_file = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -30,7 +30,7 @@ class SelectCobieJsonFile(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.COBieProperties.cobie_json_file = self.filepath
+        context.scene.COBieProperties.cobie_json_file = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -45,7 +45,7 @@ class ExecuteIfcCobie(bpy.types.Operator):
 
     def execute(self, context):
         from cobie import IfcCobieParser
-        props = bpy.context.scene.COBieProperties
+        props = context.scene.COBieProperties
         
         output_dir = os.path.dirname(props.cobie_ifc_file)
         

src/blenderbim/blenderbim/bim/module/context/operator.py

@@ -21,9 +21,9 @@ class AddSubcontext(bpy.types.Operator):
             "context.add_context",
             self.file,
             **{
-                "context": self.context or bpy.context.scene.BIMProperties.available_contexts,
+                "context": self.context or context.scene.BIMProperties.available_contexts,
-                "subcontext": self.subcontext or bpy.context.scene.BIMProperties.available_subcontexts,
+                "subcontext": self.subcontext or context.scene.BIMProperties.available_subcontexts,
-                "target_view": self.target_view or bpy.context.scene.BIMProperties.available_target_views,
+                "target_view": self.target_view or context.scene.BIMProperties.available_target_views,
             },
         )
         Data.load(IfcStore.get_file())

src/blenderbim/blenderbim/bim/module/cost/operator.py

@@ -307,7 +307,7 @@ class AssignCostItemProduct(bpy.types.Operator):
 
     def _execute(self, context):
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
@@ -336,7 +336,7 @@ class UnassignCostItemProduct(bpy.types.Operator):
 
     def _execute(self, context):
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
@@ -621,7 +621,7 @@ class SelectCostItemProducts(bpy.types.Operator):
     def execute(self, context):
         self.file = IfcStore.get_file()
         related_products = Data.cost_items[self.cost_item]["Controls"]
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             obj.select_set(False)
             if obj.BIMObjectProperties.ifc_definition_id in related_products:
                 obj.select_set(True)
@@ -640,7 +640,7 @@ class SelectCostScheduleProducts(bpy.types.Operator):
         for cost_item_id in Data.cost_schedules[self.cost_schedule]["Controls"]:
             self.get_related_products(Data.cost_items[cost_item_id])
         self.related_products = set(self.related_products)
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             obj.select_set(False)
             if obj.BIMObjectProperties.ifc_definition_id in self.related_products:
                 obj.select_set(True)

src/blenderbim/blenderbim/bim/module/covetool/operator.py

@@ -16,13 +16,13 @@ class Login(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        token = api.login(bpy.context.scene.CoveToolProperties.username, bpy.context.scene.CoveToolProperties.password)
+        token = api.login(context.scene.CoveToolProperties.username, context.scene.CoveToolProperties.password)
         if token:
-            bpy.context.scene.CoveToolProperties.token = token
+            context.scene.CoveToolProperties.token = token
 
             projects = api.get_request("projects")
             for project in projects:
-                new_project = bpy.context.scene.CoveToolProperties.projects.add()
+                new_project = context.scene.CoveToolProperties.projects.add()
                 new_project.name = project["name"]
                 new_project.run_set = project["run_set"][0]
                 new_project.url = project["url"]
@@ -36,10 +36,10 @@ class RunSimpleAnalysis(bpy.types.Operator):
     bl_label = "Run Simple Analysis"
 
     def execute(self, context):
-        simple_analysis = bpy.context.scene.CoveToolProperties.simple_analysis
+        simple_analysis = context.scene.CoveToolProperties.simple_analysis
         data = {
-            "run": bpy.context.scene.CoveToolProperties.projects[
+            "run": context.scene.CoveToolProperties.projects[
-                bpy.context.scene.CoveToolProperties.active_project_index
+                context.scene.CoveToolProperties.active_project_index
             ].run_set,
             "si_units": simple_analysis.si_units,
             "building_height": simple_analysis.building_height,
@@ -84,10 +84,10 @@ class RunAnalysis(bpy.types.Operator):
             "roofs": [],
             "shading_devices": [],
         }
-        self.parse_objects()
+        self.parse_objects(context)
         data = {
-            "run": bpy.context.scene.CoveToolProperties.projects[
+            "run": context.scene.CoveToolProperties.projects[
-                bpy.context.scene.CoveToolProperties.active_project_index
+                context.scene.CoveToolProperties.active_project_index
             ].run_set,
             "source": "BlenderBIM",
             "rotation_angle": self.get_rotation_angle(),
@@ -112,14 +112,14 @@ class RunAnalysis(bpy.types.Operator):
             rotation = 360 - rotation
         return rotation
 
-    def parse_objects(self):
+    def parse_objects(self, context):
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             covetool_category = self.get_covetool_category(obj)
             if not covetool_category:
                 continue
             if not self.has_triangulate_modifier(obj):
                 obj.modifiers.new(name="Triangulate", type="TRIANGULATE")
-            mesh = obj.evaluated_get(bpy.context.evaluated_depsgraph_get()).to_mesh()
+            mesh = obj.evaluated_get(context.evaluated_depsgraph_get()).to_mesh()
             meshes = {}
             for polygon in mesh.polygons:
                 normal = "{}|{}|{}".format(

src/blenderbim/blenderbim/bim/module/debug/operator.py

@@ -29,7 +29,7 @@ class PurgeIfcLinks(bpy.types.Operator):
                     obj.data.BIMMeshProperties.ifc_definition_id = 0
         for material in bpy.data.materials:
             material.BIMMaterialProperties.ifc_style_id = False
-        bpy.context.scene.BIMProperties.ifc_file = ""
+        context.scene.BIMProperties.ifc_file = ""
         IfcStore.purge()
         blenderbim.bim.handler.purge_module_data()
         return {"FINISHED"}
@@ -57,7 +57,7 @@ class ProfileImportIFC(bpy.types.Operator):
         import pstats
 
         # For Windows
-        filepath = bpy.context.scene.BIMProperties.ifc_file.replace("\\", "\\\\")
+        filepath = context.scene.BIMProperties.ifc_file.replace("\\", "\\\\")
 
         cProfile.run(f"import bpy; bpy.ops.import_ifc.bim(filepath='{filepath}')", "blender.prof")
         p = pstats.Stats("blender.prof")
@@ -102,9 +102,9 @@ class CreateShapeFromStepId(bpy.types.Operator):
 
     def _execute(self, context):
         logger = logging.getLogger("ImportIFC")
-        self.ifc_import_settings = import_ifc.IfcImportSettings.factory(bpy.context, IfcStore.path, logger)
+        self.ifc_import_settings = import_ifc.IfcImportSettings.factory(context, IfcStore.path, logger)
         self.file = IfcStore.get_file()
-        element = self.file.by_id(int(bpy.context.scene.BIMDebugProperties.step_id))
+        element = self.file.by_id(int(context.scene.BIMDebugProperties.step_id))
         settings = ifcopenshell.geom.settings()
         # settings.set(settings.INCLUDE_CURVES, True)
         shape = ifcopenshell.geom.create_shape(settings, element)
@@ -112,7 +112,7 @@ class CreateShapeFromStepId(bpy.types.Operator):
         ifc_importer.file = self.file
         mesh = ifc_importer.create_mesh(element, shape)
         obj = bpy.data.objects.new("Debug", mesh)
-        bpy.context.scene.collection.objects.link(obj)
+        context.scene.collection.objects.link(obj)
         return {"FINISHED"}
 
 
@@ -125,7 +125,7 @@ class SelectHighPolygonMeshes(bpy.types.Operator):
         results = {}
         for obj in bpy.data.objects:
             if not isinstance(obj.data, bpy.types.Mesh) or len(obj.data.polygons) < int(
-                bpy.context.scene.BIMDebugProperties.number_of_polygons
+                context.scene.BIMDebugProperties.number_of_polygons
             ):
                 continue
             try:
@@ -141,7 +141,7 @@ class RewindInspector(bpy.types.Operator):
     bl_label = "Rewind Inspector"
 
     def execute(self, context):
-        props = bpy.context.scene.BIMDebugProperties
+        props = context.scene.BIMDebugProperties
         total_breadcrumbs = len(props.step_id_breadcrumb)
         if total_breadcrumbs < 2:
             return {"FINISHED"}
@@ -159,18 +159,18 @@ class InspectFromStepId(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        bpy.context.scene.BIMDebugProperties.active_step_id = self.step_id
+        context.scene.BIMDebugProperties.active_step_id = self.step_id
-        crumb = bpy.context.scene.BIMDebugProperties.step_id_breadcrumb.add()
+        crumb = context.scene.BIMDebugProperties.step_id_breadcrumb.add()
         crumb.name = str(self.step_id)
         element = self.file.by_id(self.step_id)
-        while len(bpy.context.scene.BIMDebugProperties.attributes) > 0:
+        while len(context.scene.BIMDebugProperties.attributes) > 0:
-            bpy.context.scene.BIMDebugProperties.attributes.remove(0)
+            context.scene.BIMDebugProperties.attributes.remove(0)
-        while len(bpy.context.scene.BIMDebugProperties.inverse_attributes) > 0:
+        while len(context.scene.BIMDebugProperties.inverse_attributes) > 0:
-            bpy.context.scene.BIMDebugProperties.inverse_attributes.remove(0)
+            context.scene.BIMDebugProperties.inverse_attributes.remove(0)
-        while len(bpy.context.scene.BIMDebugProperties.inverse_references) > 0:
+        while len(context.scene.BIMDebugProperties.inverse_references) > 0:
-            bpy.context.scene.BIMDebugProperties.inverse_references.remove(0)
+            context.scene.BIMDebugProperties.inverse_references.remove(0)
         for key, value in element.get_info().items():
-            self.add_attribute(bpy.context.scene.BIMDebugProperties.attributes, key, value)
+            self.add_attribute(context.scene.BIMDebugProperties.attributes, key, value)
         for key in dir(element):
             if (
                 not key[0].isalpha()
@@ -179,9 +179,9 @@ class InspectFromStepId(bpy.types.Operator):
                 or not getattr(element, key)
             ):
                 continue
-            self.add_attribute(bpy.context.scene.BIMDebugProperties.inverse_attributes, key, getattr(element, key))
+            self.add_attribute(context.scene.BIMDebugProperties.inverse_attributes, key, getattr(element, key))
         for inverse in self.file.get_inverse(element):
-            new = bpy.context.scene.BIMDebugProperties.inverse_references.add()
+            new = context.scene.BIMDebugProperties.inverse_references.add()
             new.string_value = str(inverse)
             new.int_value = inverse.id()
         return {"FINISHED"}
@@ -205,7 +205,7 @@ class InspectFromObject(bpy.types.Operator):
     bl_label = "Inspect From Object"
 
     def execute(self, context):
-        ifc_definition_id = bpy.context.active_object.BIMObjectProperties.ifc_definition_id
+        ifc_definition_id = context.active_object.BIMObjectProperties.ifc_definition_id
         if not ifc_definition_id:
             return {"FINISHED"}
         bpy.ops.bim.inspect_from_step_id(step_id=ifc_definition_id)

src/blenderbim/blenderbim/bim/module/debug/ui.py

@@ -49,7 +49,7 @@ class BIM_PT_debug(Panel):
             row.operator("bim.rewind_inspector", icon="FRAME_PREV", text="")
         row.prop(props, "active_step_id", text="")
         row = layout.row(align=True)
-        row.operator("bim.inspect_from_step_id").step_id = bpy.context.scene.BIMDebugProperties.active_step_id
+        row.operator("bim.inspect_from_step_id").step_id = context.scene.BIMDebugProperties.active_step_id
         row.operator("bim.inspect_from_object")
 
         if props.attributes:

src/blenderbim/blenderbim/bim/module/diff/operator.py

@@ -13,7 +13,7 @@ class SelectDiffJsonFile(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.DiffProperties.diff_json_file = self.filepath
+        context.scene.DiffProperties.diff_json_file = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -29,9 +29,9 @@ class VisualiseDiff(bpy.types.Operator):
     def execute(self, context):
         #ifc_file = IfcStore.get_file() # In case we get from Store
         ifc_file = ifcopenshell.open(context.scene.DiffProperties.diff_new_file) # for Now refer to the new file
-        with open(bpy.context.scene.DiffProperties.diff_json_file, "r") as file:
+        with open(context.scene.DiffProperties.diff_json_file, "r") as file:
             diff = json.load(file)
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             obj.color = (1.0, 1.0, 1.0, 0.2)
             global_id = ifc_file.by_id(obj.BIMObjectProperties.ifc_definition_id).GlobalId
             if not global_id:
@@ -42,7 +42,7 @@ class VisualiseDiff(bpy.types.Operator):
                 obj.color = (0.0, 1.0, 0.0, 0.2)
             elif global_id.string_value in diff["changed"]:
                 obj.color = (0.0, 0.0, 1.0, 0.2)
-        area = next(area for area in bpy.context.screen.areas if area.type == "VIEW_3D")
+        area = next(area for area in context.screen.areas if area.type == "VIEW_3D")
         area.spaces[0].shading.color_type = "OBJECT"
         return {"FINISHED"}
 
@@ -54,7 +54,7 @@ class SelectDiffOldFile(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.DiffProperties.diff_old_file = self.filepath
+        context.scene.DiffProperties.diff_old_file = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -69,7 +69,7 @@ class SelectDiffNewFile(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.DiffProperties.diff_new_file = self.filepath
+        context.scene.DiffProperties.diff_new_file = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -93,12 +93,12 @@ class ExecuteIfcDiff(bpy.types.Operator):
         import ifcdiff
 
         ifc_diff = ifcdiff.IfcDiff(
-            bpy.context.scene.DiffProperties.diff_old_file,
+            context.scene.DiffProperties.diff_old_file,
-            bpy.context.scene.DiffProperties.diff_new_file,
+            context.scene.DiffProperties.diff_new_file,
             self.filepath,
-            bpy.context.scene.DiffProperties.diff_relationships.split(),
+            context.scene.DiffProperties.diff_relationships.split(),
         )
         ifc_diff.diff()
         ifc_diff.export()
-        bpy.context.scene.DiffProperties.diff_json_file = self.filepath
+        context.scene.DiffProperties.diff_json_file = self.filepath
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/drawing/annotation.py

@@ -16,13 +16,13 @@ class Annotator:
         return float(sizes[str(size)])
 
     @staticmethod
-    def add_text(related_element=None):
+    def add_text(context, related_element=None):
         curve = bpy.data.curves.new(type="FONT", name="Text")
         curve.body = "TEXT"
         obj = bpy.data.objects.new("Text", curve)
-        obj.matrix_world = bpy.context.scene.camera.matrix_world
+        obj.matrix_world = context.scene.camera.matrix_world
         if related_element is None:
-            location, _, _, _ = Annotator.get_placeholder_coords()
+            location, _, _, _ = Annotator.get_placeholder_coords(context)
         else:
             obj.data.BIMTextProperties.related_element = related_element
             location = related_element.location
@@ -31,12 +31,12 @@ class Annotator:
         font = bpy.data.fonts.get("OpenGost TypeB TT")
         if not font:
             font = bpy.data.fonts.load(
-                os.path.join(bpy.context.scene.BIMProperties.data_dir, "fonts", "OpenGost Type B TT.ttf")
+                os.path.join(context.scene.BIMProperties.data_dir, "fonts", "OpenGost Type B TT.ttf")
             )
             font.name = "OpenGost Type B TT"
         obj.data.font = font
         obj.data.BIMTextProperties.font_size = "2.5"
-        collection = bpy.context.scene.camera.users_collection[0]
+        collection = context.scene.camera.users_collection[0]
         collection.objects.link(obj)
         Annotator.resize_text(obj)
         return obj
@@ -64,9 +64,9 @@ class Annotator:
         text_obj.data.size = font_size
 
     @staticmethod
-    def add_line_to_annotation(obj, co1=None, co2=None):
+    def add_line_to_annotation(obj, context, co1=None, co2=None):
         if co1 is None:
-            co1, co2, _, _ = Annotator.get_placeholder_coords()
+            co1, co2, _, _ = Annotator.get_placeholder_coords(context)
         co1 = obj.matrix_world.inverted() @ co1
         co2 = obj.matrix_world.inverted() @ co2
         if isinstance(obj.data, bpy.types.Mesh):
@@ -83,8 +83,8 @@ class Annotator:
         return obj
 
     @staticmethod
-    def add_plane_to_annotation(obj):
+    def add_plane_to_annotation(obj, context):
-        co1, co2, co3, co4 = Annotator.get_placeholder_coords()
+        co1, co2, co3, co4 = Annotator.get_placeholder_coords(context)
         co1 = obj.matrix_world.inverted() @ co1  # bot left
         co2 = obj.matrix_world.inverted() @ co2  # top left
         co3 = obj.matrix_world.inverted() @ co3  # bot right
@@ -132,8 +132,8 @@ class Annotator:
         return obj
 
     @staticmethod
-    def get_annotation_obj(name, data_type):
+    def get_annotation_obj(name, data_type, context):
-        collection = bpy.context.scene.camera.users_collection[0]
+        collection = context.scene.camera.users_collection[0]
         for obj in collection.objects:
             if name in obj.name:
                 return obj
@@ -148,13 +148,13 @@ class Annotator:
         return obj
 
     @staticmethod
-    def get_placeholder_coords():
+    def get_placeholder_coords(context):
-        camera = bpy.context.scene.camera
+        camera = context.scene.camera
         z_offset = camera.matrix_world.to_quaternion() @ Vector((0, 0, -1))
-        if bpy.context.scene.render.resolution_x > bpy.context.scene.render.resolution_y:
+        if context.scene.render.resolution_x > context.scene.render.resolution_y:
             y = (
                 camera.data.ortho_scale
-                * (bpy.context.scene.render.resolution_y / bpy.context.scene.render.resolution_x)
+                * (context.scene.render.resolution_y / context.scene.render.resolution_x)
                 / 4
             )
         else:

src/blenderbim/blenderbim/bim/module/drawing/operator.py

@@ -467,7 +467,7 @@ class AddAnnotation(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        if not bpy.context.scene.camera:
+        if not context.scene.camera:
             return {"FINISHED"}
         subcontext = ifcopenshell.util.representation.get_context(
             IfcStore.get_file(), "Plan", "Annotation", context.scene.camera.data.BIMCameraProperties.target_view
@@ -475,17 +475,17 @@ class AddAnnotation(bpy.types.Operator):
         if not subcontext:
             return {"FINISHED"}
         if self.data_type == "text":
-            if bpy.context.selected_objects:
+            if context.selected_objects:
-                for selected_object in bpy.context.selected_objects:
+                for selected_object in context.selected_objects:
-                    obj = annotation.Annotator.add_text(related_element=selected_object)
+                    obj = annotation.Annotator.add_text(context, related_element=selected_object)
             else:
-                obj = annotation.Annotator.add_text()
+                obj = annotation.Annotator.add_text(context)
         else:
-            obj = annotation.Annotator.get_annotation_obj(self.obj_name, self.data_type)
+            obj = annotation.Annotator.get_annotation_obj(self.obj_name, self.data_type, context)
             if self.obj_name == "Break":
-                obj = annotation.Annotator.add_plane_to_annotation(obj)
+                obj = annotation.Annotator.add_plane_to_annotation(obj, context)
             else:
-                obj = annotation.Annotator.add_line_to_annotation(obj)
+                obj = annotation.Annotator.add_line_to_annotation(obj, context)
 
         if not obj.BIMObjectProperties.ifc_definition_id:
             bpy.ops.bim.assign_class(obj=obj.name, ifc_class="IfcAnnotation", context_id=subcontext.id())
@@ -695,10 +695,10 @@ class GenerateReferences(bpy.types.Operator):
             self.generate_grids()
         if self.camera.data.BIMCameraProperties.target_view == "ELEVATION_VIEW":
             self.generate_grids()
-            self.generate_levels()
+            self.generate_levels(context)
         if self.camera.data.BIMCameraProperties.target_view == "SECTION_VIEW":
             self.generate_grids()
-            self.generate_levels()
+            self.generate_levels(context)
         return {"FINISHED"}
 
     def filter_potential_references(self):
@@ -714,7 +714,7 @@ class GenerateReferences(bpy.types.Operator):
         # TODO
         pass
 
-    def generate_levels(self):
+    def generate_levels(self, context):
         if self.camera.data.BIMCameraProperties.raster_x > self.camera.data.BIMCameraProperties.raster_y:
             width = self.camera.data.ortho_scale
             height = (
@@ -725,7 +725,7 @@ class GenerateReferences(bpy.types.Operator):
             width = (
                 height / self.camera.data.BIMCameraProperties.raster_y * self.camera.data.BIMCameraProperties.raster_x
             )
-        level_obj = annotation.Annotator.get_annotation_obj("Section Level", "curve")
+        level_obj = annotation.Annotator.get_annotation_obj("Section Level", "curve", context)
 
         width_in_mm = width * 1000
         if self.camera.data.BIMCameraProperties.diagram_scale == "CUSTOM":
@@ -742,7 +742,7 @@ class GenerateReferences(bpy.types.Operator):
             projection = self.project_point_onto_camera(obj.location)
             co1 = self.camera.matrix_world @ Vector((width / 2 - (offset_percentage * width), projection[1], -1))
             co2 = self.camera.matrix_world @ Vector((-(width / 2), projection[1], -1))
-            annotation.Annotator.add_line_to_annotation(level_obj, co1, co2)
+            annotation.Annotator.add_line_to_annotation(level_obj, context, co1, co2)
 
     def project_point_onto_camera(self, point):
         projection = self.camera.matrix_world.to_quaternion() @ Vector((0, 0, -1))

src/blenderbim/blenderbim/bim/module/drawing/ui.py

@@ -24,7 +24,7 @@ class BIM_PT_camera(Panel):
             return
 
         layout.use_property_split = True
-        dprops = bpy.context.scene.DocProperties
+        dprops = context.scene.DocProperties
         props = context.active_object.data.BIMCameraProperties
 
         col = layout.column(align=True)
@@ -92,7 +92,7 @@ class BIM_PT_drawing_underlay(Panel):
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
-        dprops = bpy.context.scene.DocProperties
+        dprops = context.scene.DocProperties
         props = context.active_object.data.BIMCameraProperties
 
         row = layout.row(align=True)
@@ -142,7 +142,7 @@ class BIM_PT_drawings(Panel):
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
-        props = bpy.context.scene.DocProperties
+        props = context.scene.DocProperties
 
         row = layout.row(align=True)
         row.operator("bim.add_drawing")
@@ -175,7 +175,7 @@ class BIM_PT_schedules(Panel):
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
-        props = bpy.context.scene.DocProperties
+        props = context.scene.DocProperties
 
         row = layout.row(align=True)
         row.operator("bim.add_schedule")
@@ -200,7 +200,7 @@ class BIM_PT_sheets(Panel):
 
     def draw(self, context):
         layout = self.layout
-        props = bpy.context.scene.DocProperties
+        props = context.scene.DocProperties
 
         row = layout.row(align=True)
         row.prop(props, "titleblock", text="")
@@ -315,7 +315,7 @@ class BIM_PT_annotation_utilities(Panel):
         op.obj_name = "Misc"
         op.data_type = "mesh"
 
-        props = bpy.context.scene.DocProperties
+        props = context.scene.DocProperties
 
         row = layout.row(align=True)
         row.operator("bim.add_drawing")

src/blenderbim/blenderbim/bim/module/geometry/operator.py

@@ -24,10 +24,10 @@ class EditObjectPlacement(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        objs = [bpy.data.objects.get(self.obj)] if self.obj else bpy.context.selected_objects
+        objs = [bpy.data.objects.get(self.obj)] if self.obj else context.selected_objects
         self.file = IfcStore.get_file()
         # TODO: determine how to deal with this module dependency
-        props = bpy.context.scene.BIMGeoreferenceProperties
+        props = context.scene.BIMGeoreferenceProperties
         for obj in objs:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
@@ -69,7 +69,7 @@ class AddRepresentation(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
 
         bpy.ops.bim.edit_object_placement(obj=obj.name)
@@ -79,7 +79,7 @@ class AddRepresentation(bpy.types.Operator):
 
         product = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
 
-        context_id = self.context_id or int(bpy.context.scene.BIMProperties.contexts)
+        context_id = self.context_id or int(context.scene.BIMProperties.contexts)
         context_of_items = self.file.by_id(context_id)
 
         gprop = context.scene.BIMGeoreferenceProperties
@@ -164,7 +164,7 @@ class SwitchRepresentation(bpy.types.Operator):
     should_switch_all_meshes: bpy.props.BoolProperty()
 
     def execute(self, context):
-        self.element_obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        self.element_obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.oprops = self.element_obj.BIMObjectProperties
 
         self.file = IfcStore.get_file()
@@ -175,7 +175,7 @@ class SwitchRepresentation(bpy.types.Operator):
         if mesh:
             self.switch_mesh(mesh)
         if not mesh or self.should_reload:
-            self.pull_mesh_from_ifc()
+            self.pull_mesh_from_ifc(context)
         return {"FINISHED"}
 
     def switch_mesh(self, mesh):
@@ -193,9 +193,9 @@ class SwitchRepresentation(bpy.types.Operator):
             return self.resolve_mapped_representation(representation.Items[0].MappingSource.MappedRepresentation)
         return representation
 
-    def pull_mesh_from_ifc(self):
+    def pull_mesh_from_ifc(self, context):
         logger = logging.getLogger("ImportIFC")
-        ifc_import_settings = import_ifc.IfcImportSettings.factory(bpy.context, IfcStore.path, logger)
+        ifc_import_settings = import_ifc.IfcImportSettings.factory(context, IfcStore.path, logger)
         element = self.file.by_id(self.oprops.ifc_definition_id)
         settings = ifcopenshell.geom.settings()
 
@@ -247,7 +247,7 @@ class RemoveRepresentation(bpy.types.Operator):
     def _execute(self, context):
         self.file = IfcStore.get_file()
         representation = self.file.by_id(self.representation_id)
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         is_mapped_representation = representation.RepresentationType == "MappedRepresentation"
         if is_mapped_representation:
             mesh_name = "{}/{}".format(
@@ -288,7 +288,7 @@ class UpdateRepresentation(bpy.types.Operator):
         if not ContextData.is_loaded:
             ContextData.load(IfcStore.get_file())
 
-        objs = [bpy.data.objects.get(self.obj)] if self.obj else bpy.context.selected_objects
+        objs = [bpy.data.objects.get(self.obj)] if self.obj else context.selected_objects
         self.file = IfcStore.get_file()
 
         for obj in objs:
@@ -371,7 +371,7 @@ class UpdateParametricRepresentation(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        obj = bpy.context.active_object
+        obj = context.active_object
         props = obj.data.BIMMeshProperties
         parameter = props.ifc_parameters[self.index]
         element = IfcStore.get_file().by_id(parameter.step_id)[parameter.index] = parameter.value
@@ -388,7 +388,7 @@ class GetRepresentationIfcParameters(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        obj = bpy.context.active_object
+        obj = context.active_object
         props = obj.data.BIMMeshProperties
         elements = IfcStore.get_file().traverse(IfcStore.get_file().by_id(props.ifc_definition_id))
         for element in elements:

src/blenderbim/blenderbim/bim/module/geometry/ui.py

@@ -30,7 +30,7 @@ class BIM_PT_representations(Panel):
             layout.label(text="No representations found")
 
         row = layout.row(align=True)
-        row.prop(bpy.context.scene.BIMProperties, "contexts", text="")
+        row.prop(context.scene.BIMProperties, "contexts", text="")
         row.operator("bim.add_representation", icon="ADD", text="")
 
         for ifc_definition_id in representations:

src/blenderbim/blenderbim/bim/module/georeference/operator.py

@@ -276,7 +276,7 @@ class ConvertLocalToGlobal(bpy.types.Operator):
             results = (x, y, z)
 
         props.coordinate_output = ",".join([str(r) for r in results])
-        bpy.context.scene.cursor.location = results
+        context.scene.cursor.location = results
         return {"FINISHED"}
 
 
@@ -322,7 +322,7 @@ class ConvertGlobalToLocal(bpy.types.Operator):
         props.coordinate_output = ",".join([str(r) for r in results])
 
         scale = ifcopenshell.util.unit.calculate_unit_scale(IfcStore.get_file())
-        bpy.context.scene.cursor.location = [o * scale for o in results]
+        context.scene.cursor.location = [o * scale for o in results]
         return {"FINISHED"}
 
 
@@ -334,7 +334,7 @@ class GetCursorLocation(bpy.types.Operator):
     def execute(self, context):
         props = context.scene.BIMGeoreferenceProperties
         scale = ifcopenshell.util.unit.calculate_unit_scale(IfcStore.get_file())
-        project_coordinates = [o / scale for o in bpy.context.scene.cursor.location]
+        project_coordinates = [o / scale for o in context.scene.cursor.location]
         props.coordinate_input = ",".join([str(o) for o in project_coordinates])
         return {"FINISHED"}
 
@@ -347,5 +347,5 @@ class SetCursorLocation(bpy.types.Operator):
     def execute(self, context):
         props = context.scene.BIMGeoreferenceProperties
         scale = ifcopenshell.util.unit.calculate_unit_scale(IfcStore.get_file())
-        bpy.context.scene.cursor.location = [float(co) * scale for co in props.coordinate_output.split(",")]
+        context.scene.cursor.location = [float(co) * scale for co in props.coordinate_output.split(",")]
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/group/operator.py

@@ -186,7 +186,7 @@ class SelectGroupProducts(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             obj.select_set(False)
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue

src/blenderbim/blenderbim/bim/module/material/operator.py

@@ -23,7 +23,7 @@ class AssignParameterizedProfile(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         profile = ifcopenshell.api.run(
             "profile.add_parameterized_profile",
@@ -51,7 +51,7 @@ class AddMaterial(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.materials.get(self.obj) if self.obj else bpy.context.active_object.active_material
+        obj = bpy.data.materials.get(self.obj) if self.obj else context.active_object.active_material
         self.file = IfcStore.get_file()
         result = ifcopenshell.api.run("material.add_material", self.file, **{"name": obj.name})
         IfcStore.link_element(result, obj)
@@ -82,7 +82,7 @@ class RemoveMaterial(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.materials.get(self.obj) if self.obj else bpy.context.active_object.active_material
+        obj = bpy.data.materials.get(self.obj) if self.obj else context.active_object.active_material
         self.file = IfcStore.get_file()
         result = ifcopenshell.api.run(
             "material.remove_material",
@@ -105,7 +105,7 @@ class AssignMaterial(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         material_type = self.material_type or obj.BIMObjectMaterialProperties.material_type
         self.file = IfcStore.get_file()
         element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
@@ -150,7 +150,7 @@ class UnassignMaterial(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "material.unassign_material",
@@ -172,7 +172,7 @@ class AddConstituent(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "material.add_constituent",
@@ -197,7 +197,7 @@ class RemoveConstituent(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "material.remove_constituent", self.file, **{"constituent": self.file.by_id(self.constituent)}
@@ -217,7 +217,7 @@ class AddProfile(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "material.add_profile",
@@ -243,7 +243,7 @@ class RemoveProfile(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run("material.remove_profile", self.file, **{"profile": self.file.by_id(self.profile)})
         Data.load_profiles()
@@ -262,7 +262,7 @@ class AddLayer(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "material.add_layer",
@@ -289,7 +289,7 @@ class ReorderMaterialSetItem(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         material_set = self.file.by_id(self.material_set)
         ifcopenshell.api.run(
@@ -324,7 +324,7 @@ class RemoveLayer(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run("material.remove_layer", self.file, **{"layer": self.file.by_id(self.layer)})
         Data.load_layers()
@@ -342,7 +342,7 @@ class AddListItem(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "material.add_list_item",
@@ -368,7 +368,7 @@ class RemoveListItem(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "material.remove_list_item",
@@ -389,7 +389,7 @@ class EnableEditingAssignedMaterial(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         props = obj.BIMObjectMaterialProperties
         props.is_editing = True
         product_data = Data.products[obj.BIMObjectProperties.ifc_definition_id]
@@ -477,7 +477,7 @@ class DisableEditingAssignedMaterial(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         props = obj.BIMObjectMaterialProperties
         props.is_editing = False
         return {"FINISHED"}
@@ -496,7 +496,7 @@ class EditAssignedMaterial(bpy.types.Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         props = obj.BIMObjectMaterialProperties
         product_data = Data.products[obj.BIMObjectProperties.ifc_definition_id]
 
@@ -575,7 +575,7 @@ class EnableEditingMaterialSetItem(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.props = obj.BIMObjectMaterialProperties
         self.props.active_material_set_item_id = self.material_set_item
         product_data = Data.products[obj.BIMObjectProperties.ifc_definition_id]
@@ -667,7 +667,7 @@ class DisableEditingMaterialSetItem(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         props = obj.BIMObjectMaterialProperties
         props.active_material_set_item_id = 0
         return {"FINISHED"}
@@ -684,7 +684,7 @@ class EditMaterialSetItem(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         props = obj.BIMObjectMaterialProperties
         product_data = Data.products[obj.BIMObjectProperties.ifc_definition_id]

src/blenderbim/blenderbim/bim/module/model/door.py

@@ -82,7 +82,7 @@ def add_object(self, context):
     obj = bpy.data.objects.new("Door Profile", mesh)
 
     context.view_layer.active_layer_collection.collection.objects.link(obj)
-    bpy.context.view_layer.objects.active = obj
+    context.view_layer.objects.active = obj
     obj.select_set(True)
     bpy.ops.object.convert(target="CURVE")
 
@@ -100,7 +100,7 @@ def add_object(self, context):
     obj2 = bpy.data.objects.new("Door", mesh)
 
     context.view_layer.active_layer_collection.collection.objects.link(obj2)
-    bpy.context.view_layer.objects.active = obj2
+    context.view_layer.objects.active = obj2
     obj2.select_set(True)
     bpy.ops.object.convert(target="CURVE")
 
@@ -130,11 +130,11 @@ def add_object(self, context):
     modifier.thickness = self.overall_height - 0.045
 
     context.view_layer.active_layer_collection.collection.objects.link(obj3)
-    bpy.context.view_layer.objects.active = obj3
+    context.view_layer.objects.active = obj3
     obj3.select_set(True)
     bpy.ops.object.convert(target="MESH")
 
-    ctx = bpy.context.copy()
+    ctx = context.copy()
     ctx["active_object"] = obj2
     ctx["selected_editable_objects"] = [obj2, obj3]
     bpy.ops.object.join(ctx)
@@ -156,7 +156,7 @@ def add_object(self, context):
     modifier.thickness = self.overall_height + 0.1
 
     context.view_layer.active_layer_collection.collection.objects.link(obj4)
-    bpy.context.view_layer.objects.active = obj4
+    context.view_layer.objects.active = obj4
     obj4.select_set(True)
     bpy.ops.object.convert(target="MESH")
 

src/blenderbim/blenderbim/bim/module/model/grid.py

@@ -12,7 +12,7 @@ def add_object(self, context):
 
     collection = bpy.data.collections.new(obj.name)
     has_site_collection = False
-    for child in bpy.context.view_layer.layer_collection.children:
+    for child in context.view_layer.layer_collection.children:
         if "IfcProject/" not in child.name:
             continue
         for grandchild in child.children:
@@ -22,7 +22,7 @@ def add_object(self, context):
             grandchild.collection.children.link(collection)
             break
     if not has_site_collection:
-        bpy.context.view_layer.active_layer_collection.collection.children.link(collection)
+        context.view_layer.active_layer_collection.collection.children.link(collection)
     collection.objects.link(obj)
 
     self.file = IfcStore.get_file()

src/blenderbim/blenderbim/bim/module/model/product.py

@@ -64,7 +64,7 @@ class AddTypeInstance(bpy.types.Operator):
         mesh.from_pydata(verts, edges, faces)
         obj = bpy.data.objects.new("Instance", mesh)
         obj.location = context.scene.cursor.location
-        collection = bpy.context.view_layer.active_layer_collection.collection
+        collection = context.view_layer.active_layer_collection.collection
         collection.objects.link(obj)
         collection_obj = bpy.data.objects.get(collection.name)
         bpy.ops.bim.assign_class(obj=obj.name, ifc_class=instance_class)
@@ -97,8 +97,8 @@ class AlignProduct(bpy.types.Operator):
         active_y_axis = context.active_object.matrix_world.to_quaternion() @ Vector((0, 1, 0))
         active_z_axis = context.active_object.matrix_world.to_quaternion() @ Vector((0, 0, 1))
 
-        x_distances = self.get_axis_distances(point, active_x_axis)
+        x_distances = self.get_axis_distances(point, active_x_axis, context)
-        y_distances = self.get_axis_distances(point, active_y_axis)
+        y_distances = self.get_axis_distances(point, active_y_axis, context)
         if abs(sum(x_distances)) < abs(sum(y_distances)):
             for i, obj in enumerate(selected_objs):
                 obj.matrix_world = Matrix.Translation(active_x_axis * -x_distances[i]) @ obj.matrix_world
@@ -107,9 +107,9 @@ class AlignProduct(bpy.types.Operator):
                 obj.matrix_world = Matrix.Translation(active_y_axis * -y_distances[i]) @ obj.matrix_world
         return {"FINISHED"}
 
-    def get_axis_distances(self, point, axis):
+    def get_axis_distances(self, point, axis, context):
         results = []
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if self.align_type == "CENTERLINE":
                 obj_point = obj.matrix_world @ (Vector(obj.bound_box[0]) + (obj.dimensions / 2))
             elif self.align_type == "POSITIVE":

src/blenderbim/blenderbim/bim/module/model/slab.py

@@ -218,7 +218,7 @@ class AddSlabOpening(bpy.types.Operator):
         if not raycast[0]:
             return {"FINISHED"}
         bpy.ops.mesh.primitive_cube_add(size=slab_obj.dimensions[2] * 2)
-        opening = bpy.context.selected_objects[0]
+        opening = context.selected_objects[0]
 
         # Place the opening in the middle of the slab
         global_location = slab_obj.matrix_world @ raycast[1]

src/blenderbim/blenderbim/bim/module/model/window.py

@@ -67,7 +67,7 @@ def add_object(self, context):
     obj = bpy.data.objects.new("Window Profile", mesh)
 
     context.view_layer.active_layer_collection.collection.objects.link(obj)
-    bpy.context.view_layer.objects.active = obj
+    context.view_layer.objects.active = obj
     obj.select_set(True)
     bpy.ops.object.convert(target="CURVE")
 
@@ -85,7 +85,7 @@ def add_object(self, context):
     obj2 = bpy.data.objects.new("Window", mesh)
 
     context.view_layer.active_layer_collection.collection.objects.link(obj2)
-    bpy.context.view_layer.objects.active = obj2
+    context.view_layer.objects.active = obj2
     obj2.select_set(True)
     bpy.ops.object.convert(target="CURVE")
     obj2.data.splines[0].use_cyclic_u = True
@@ -116,11 +116,11 @@ def add_object(self, context):
     modifier.thickness = self.overall_height - 0.08
 
     context.view_layer.active_layer_collection.collection.objects.link(obj3)
-    bpy.context.view_layer.objects.active = obj3
+    context.view_layer.objects.active = obj3
     obj3.select_set(True)
     bpy.ops.object.convert(target="MESH")
 
-    ctx = bpy.context.copy()
+    ctx = context.copy()
     ctx["active_object"] = obj2
     ctx["selected_editable_objects"] = [obj2, obj3]
     bpy.ops.object.join(ctx)
@@ -142,7 +142,7 @@ def add_object(self, context):
     modifier.thickness = self.overall_height
 
     context.view_layer.active_layer_collection.collection.objects.link(obj4)
-    bpy.context.view_layer.objects.active = obj4
+    context.view_layer.objects.active = obj4
     obj4.select_set(True)
     bpy.ops.object.convert(target="MESH")
     obj4.display_type = "WIRE"

src/blenderbim/blenderbim/bim/module/owner/ui.py

@@ -4,8 +4,8 @@ from ifcopenshell.api.owner.data import Data
 from blenderbim.bim.ifc import IfcStore
 
 
-def draw_roles_ui(box, assigned_object_id, roles):
+def draw_roles_ui(box, assigned_object_id, roles, context):
-    props = bpy.context.scene.BIMOwnerProperties
+    props = context.scene.BIMOwnerProperties
     row = box.row(align=True)
     row.label(text="Roles")
     row.operator("bim.add_role", icon="ADD", text="").assigned_object_id = assigned_object_id
@@ -30,8 +30,8 @@ def draw_roles_ui(box, assigned_object_id, roles):
             row.operator("bim.remove_role", icon="X", text="").role_id = role_id
 
 
-def draw_addresses_ui(box, assigned_object_id, addresses, file):
+def draw_addresses_ui(box, assigned_object_id, addresses, file, context):
-    props = bpy.context.scene.BIMOwnerProperties
+    props = context.scene.BIMOwnerProperties
     row = box.row(align=True)
     row.label(text="Addresses")
     op = row.operator("bim.add_address", icon="LINK_BLEND", text="")
@@ -135,8 +135,8 @@ class BIM_PT_people(Panel):
                 row = box.row()
                 row.prop(blender_person, "suffix_titles")
 
-                draw_roles_ui(box, person_id, person["Roles"])
+                draw_roles_ui(box, person_id, person["Roles"], context)
-                draw_addresses_ui(box, person_id, person["Addresses"], self.file)
+                draw_addresses_ui(box, person_id, person["Addresses"], self.file, context)
             else:
                 row = self.layout.row(align=True)
                 name = person["Id"] if self.file.schema == "IFC2X3" else person["Identification"]
@@ -189,8 +189,8 @@ class BIM_PT_organisations(Panel):
                 row = box.row()
                 row.prop(blender_organisation, "description")
 
-                draw_roles_ui(box, organisation_id, organisation["Roles"])
+                draw_roles_ui(box, organisation_id, organisation["Roles"], context)
-                draw_addresses_ui(box, organisation_id, organisation["Addresses"], self.file)
+                draw_addresses_ui(box, organisation_id, organisation["Addresses"], self.file, context)
             else:
                 row = self.layout.row(align=True)
                 row.label(text=organisation["Name"])

src/blenderbim/blenderbim/bim/module/project/operator.py

@@ -29,7 +29,7 @@ class CreateProject(bpy.types.Operator):
             return {"FINISHED"}
 
         IfcStore.file = ifcopenshell.api.run(
-            "project.create_file", **{"version": bpy.context.scene.BIMProperties.export_schema}
+            "project.create_file", **{"version": context.scene.BIMProperties.export_schema}
         )
         self.file = IfcStore.get_file()
 
@@ -49,7 +49,7 @@ class CreateProject(bpy.types.Operator):
         bpy.ops.bim.add_subcontext(context="Plan")
         bpy.ops.bim.add_subcontext(context="Plan", subcontext="Annotation", target_view="PLAN_VIEW")
 
-        bpy.context.scene.BIMProperties.contexts = str(
+        context.scene.BIMProperties.contexts = str(
             ifcopenshell.util.representation.get_context(self.file, "Model", "Body", "MODEL_VIEW").id()
         )
 
@@ -97,7 +97,7 @@ class CreateProjectLibrary(bpy.types.Operator):
             return {"FINISHED"}
 
         IfcStore.file = ifcopenshell.api.run(
-            "project.create_file", **{"version": bpy.context.scene.BIMProperties.export_schema}
+            "project.create_file", **{"version": context.scene.BIMProperties.export_schema}
         )
         self.file = IfcStore.get_file()
 
@@ -326,14 +326,14 @@ class AppendLibraryElement(bpy.types.Operator):
             library=IfcStore.library_file,
             element=IfcStore.library_file.by_id(self.definition),
         )
-        self.import_type_from_ifc(element)
+        self.import_type_from_ifc(element, context)
         blenderbim.bim.handler.purge_module_data()
         return {"FINISHED"}
 
-    def import_type_from_ifc(self, element):
+    def import_type_from_ifc(self, element, context):
         self.file = IfcStore.get_file()
         logger = logging.getLogger("ImportIFC")
-        ifc_import_settings = import_ifc.IfcImportSettings.factory(bpy.context, IfcStore.path, logger)
+        ifc_import_settings = import_ifc.IfcImportSettings.factory(context, IfcStore.path, logger)
 
         type_collection = bpy.data.collections.get("Types")
         if not type_collection:

src/blenderbim/blenderbim/bim/module/pset/operator.py

@@ -16,7 +16,7 @@ class TogglePsetExpansion(bpy.types.Operator):
     pset_id: bpy.props.IntProperty()
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         data = Data.psets if self.pset_id in Data.psets else Data.qtos
         data[self.pset_id]["is_expanded"] = not data[self.pset_id]["is_expanded"]
         return {"FINISHED"}
@@ -295,7 +295,7 @@ class AddQto(bpy.types.Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
-        obj = bpy.context.active_object
+        obj = context.active_object
         oprops = obj.BIMObjectProperties
         props = obj.PsetProperties
         ifcopenshell.api.run(
@@ -318,23 +318,23 @@ class GuessQuantity(bpy.types.Operator):
 
     def execute(self, context):
         self.qto_calculator = QtoCalculator()
-        obj = bpy.context.active_object
+        obj = context.active_object
         prop = obj.PsetProperties.properties.get(self.prop)
-        prop.float_value = self.guess_quantity(obj)
+        prop.float_value = self.guess_quantity(obj, context)
         return {"FINISHED"}
 
-    def guess_quantity(self, obj):
+    def guess_quantity(self, obj, context):
         quantity = self.qto_calculator.guess_quantity(self.prop, [p.name for p in obj.PsetProperties.properties], obj)
         if "area" in self.prop.lower():
-            if bpy.context.scene.BIMProperties.area_unit:
+            if context.scene.BIMProperties.area_unit:
-                prefix, name = self.get_prefix_name(bpy.context.scene.BIMProperties.area_unit)
+                prefix, name = self.get_prefix_name(context.scene.BIMProperties.area_unit)
                 quantity = ifcopenshell.util.unit.convert(quantity, None, "SQUARE_METRE", prefix, name)
         elif "volume" in self.prop.lower():
-            if bpy.context.scene.BIMProperties.volume_unit:
+            if context.scene.BIMProperties.volume_unit:
-                prefix, name = self.get_prefix_name(bpy.context.scene.BIMProperties.volume_unit)
+                prefix, name = self.get_prefix_name(context.scene.BIMProperties.volume_unit)
                 quantity = ifcopenshell.util.unit.convert(quantity, None, "CUBIC_METRE", prefix, name)
         else:
-            prefix, name = self.get_blender_prefix_name()
+            prefix, name = self.get_blender_prefix_name(context)
             quantity = ifcopenshell.util.unit.convert(quantity, None, "METRE", prefix, name)
         return round(quantity, 3)
 
@@ -343,13 +343,14 @@ class GuessQuantity(bpy.types.Operator):
             return value.split("/")
         return None, value
 
-    def get_blender_prefix_name(self):
+    def get_blender_prefix_name(self, context):
-        if bpy.context.scene.unit_settings.system == "IMPERIAL":
+        unit_settings = context.scene.unit_settings
-            if bpy.context.scene.unit_settings.length_unit == "INCHES":
+        if unit_settings.system == "IMPERIAL":
+            if unit_settings.length_unit == "INCHES":
                 return None, "inch"
-            elif bpy.context.scene.unit_settings.length_unit == "FEET":
+            elif unit_settings.length_unit == "FEET":
                 return None, "foot"
-        elif bpy.context.scene.unit_settings.system == "METRIC":
+        elif unit_settings.system == "METRIC":
-            if bpy.context.scene.unit_settings.length_unit == "METERS":
+            if unit_settings.length_unit == "METERS":
                 return None, "METRE"
-            return bpy.context.scene.unit_settings.length_unit[0 : -len("METERS")], "METRE"
+            return unit_settings.length_unit[0 : -len("METERS")], "METRE"

src/blenderbim/blenderbim/bim/module/qto/helper.py

@@ -14,7 +14,7 @@ def calculate_volume(obj):
     return result
 
 
-def calculate_formwork_area(objs):
+def calculate_formwork_area(objs, context):
     """
     Formwork is defined as the surface area required to cover all exposed
     surfaces of one or more objects, excluding top surfaces (i.e. that have a
@@ -27,7 +27,7 @@ def calculate_formwork_area(objs):
         new_obj = obj.copy()
         new_obj.data = obj.data.copy()
         new_obj.animation_data_clear()
-        bpy.context.collection.objects.link(new_obj)
+        context.collection.objects.link(new_obj)
         copied_objs.append(new_obj)
 
     context_override = {}
@@ -53,7 +53,7 @@ def calculate_formwork_area(objs):
     else:
         modifier.octree_depth = 5
 
-    mesh = copied_objs[0].evaluated_get(bpy.context.evaluated_depsgraph_get()).to_mesh()
+    mesh = copied_objs[0].evaluated_get(context.evaluated_depsgraph_get()).to_mesh()
     for polygon in mesh.polygons:
         if polygon.normal.z > 0.5:
             continue

src/blenderbim/blenderbim/bim/module/qto/operator.py

@@ -14,13 +14,13 @@ class CalculateEdgeLengths(bpy.types.Operator):
 
     def execute(self, context):
         result = 0
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if not obj.data or not obj.data.edges:
                 continue
             for edge in obj.data.edges:
                 if edge.select:
                     result += (obj.data.vertices[edge.vertices[1]].co - obj.data.vertices[edge.vertices[0]].co).length
-        bpy.context.scene.BIMQtoProperties.qto_result = str(round(result, 3))
+        context.scene.BIMQtoProperties.qto_result = str(round(result, 3))
         return {"FINISHED"}
 
 
@@ -31,13 +31,13 @@ class CalculateFaceAreas(bpy.types.Operator):
 
     def execute(self, context):
         result = 0
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if not obj.data or not obj.data.polygons:
                 continue
             for polygon in obj.data.polygons:
                 if polygon.select:
                     result += polygon.area
-        bpy.context.scene.BIMQtoProperties.qto_result = str(round(result, 3))
+        context.scene.BIMQtoProperties.qto_result = str(round(result, 3))
         return {"FINISHED"}
 
 
@@ -48,14 +48,14 @@ class CalculateObjectVolumes(bpy.types.Operator):
 
     def execute(self, context):
         result = 0
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if not obj.data or not isinstance(obj.data, bpy.types.Mesh):
                 continue
             bm = bmesh.new()
             bm.from_mesh(obj.data)
             result += bm.calc_volume()
             bm.free()
-        bpy.context.scene.BIMQtoProperties.qto_result = str(round(result, 3))
+        context.scene.BIMQtoProperties.qto_result = str(round(result, 3))
         return {"FINISHED"}
 
 
@@ -65,16 +65,16 @@ class ExecuteQtoMethod(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        props = bpy.context.scene.BIMQtoProperties
+        props = context.scene.BIMQtoProperties
         result = 0
         if props.qto_methods == "HEIGHT":
-            for obj in bpy.context.selected_objects:
+            for obj in context.selected_objects:
                 result += helper.calculate_height(obj)
         elif props.qto_methods == "VOLUME":
-            for obj in bpy.context.selected_objects:
+            for obj in context.selected_objects:
                 result += helper.calculate_volume(obj)
         elif props.qto_methods == "FORMWORK":
-            result = helper.calculate_formwork_area(bpy.context.selected_objects)
+            result = helper.calculate_formwork_area(context.selected_objects, context)
         props.qto_result = str(round(result, 3))
         return {"FINISHED"}
 
@@ -88,9 +88,9 @@ class QuantifyObjects(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        props = bpy.context.scene.BIMQtoProperties
+        props = context.scene.BIMQtoProperties
         self.file = IfcStore.get_file()
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             result = 0
@@ -99,7 +99,7 @@ class QuantifyObjects(bpy.types.Operator):
             elif props.qto_methods == "VOLUME":
                 result = helper.calculate_volume(obj)
             elif props.qto_methods == "FORMWORK":
-                result = helper.calculate_formwork_area([obj])
+                result = helper.calculate_formwork_area([obj], context)
             if not result:
                 continue
             result = round(result, 3)

src/blenderbim/blenderbim/bim/module/resource/operator.py

@@ -230,7 +230,7 @@ class AssignResource(bpy.types.Operator):
 
     def _execute(self, context):
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         for related_object in related_objects:
             self.file = IfcStore.get_file()
@@ -253,7 +253,7 @@ class UnassignResource(bpy.types.Operator):
 
     def execute(self, context):
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         for related_object in related_objects:
             self.file = IfcStore.get_file()

src/blenderbim/blenderbim/bim/module/root/operator.py

@@ -15,10 +15,10 @@ class EnableReassignClass(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         self.file = IfcStore.get_file()
         ifc_class = obj.name.split("/")[0]
-        bpy.context.active_object.BIMObjectProperties.is_reassigning_class = True
+        context.active_object.BIMObjectProperties.is_reassigning_class = True
         ifc_products = [
             "IfcElement",
             "IfcElementType",
@@ -31,11 +31,11 @@ class EnableReassignClass(bpy.types.Operator):
         ]
         for ifc_product in ifc_products:
             if ifcopenshell.util.schema.is_a(IfcStore.get_schema().declaration_by_name(ifc_class), ifc_product):
-                bpy.context.scene.BIMRootProperties.ifc_product = ifc_product
+                context.scene.BIMRootProperties.ifc_product = ifc_product
         element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
-        bpy.context.scene.BIMRootProperties.ifc_class = element.is_a()
+        context.scene.BIMRootProperties.ifc_class = element.is_a()
         if hasattr(element, "PredefinedType") and element.PredefinedType:
-            bpy.context.scene.BIMRootProperties.ifc_predefined_type = element.PredefinedType
+            context.scene.BIMRootProperties.ifc_predefined_type = element.PredefinedType
         return {"FINISHED"}
 
 
@@ -45,7 +45,7 @@ class DisableReassignClass(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        bpy.context.active_object.BIMObjectProperties.is_reassigning_class = False
+        context.active_object.BIMObjectProperties.is_reassigning_class = False
         return {"FINISHED"}
 
 
@@ -59,18 +59,18 @@ class ReassignClass(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        objects = [bpy.data.objects.get(self.obj)] if self.obj else bpy.context.selected_objects
+        objects = [bpy.data.objects.get(self.obj)] if self.obj else context.selected_objects
         self.file = IfcStore.get_file()
-        predefined_type = bpy.context.scene.BIMRootProperties.ifc_predefined_type
+        predefined_type = context.scene.BIMRootProperties.ifc_predefined_type
         if predefined_type == "USERDEFINED":
-            predefined_type = bpy.context.scene.BIMRootProperties.ifc_userdefined_type
+            predefined_type = context.scene.BIMRootProperties.ifc_userdefined_type
         for obj in objects:
             product = ifcopenshell.api.run(
                 "root.reassign_class",
                 self.file,
                 **{
                     "product": self.file.by_id(obj.BIMObjectProperties.ifc_definition_id),
-                    "ifc_class": bpy.context.scene.BIMRootProperties.ifc_class,
+                    "ifc_class": context.scene.BIMRootProperties.ifc_class,
                     "predefined_type": predefined_type,
                 },
             )
@@ -96,7 +96,7 @@ class AssignClass(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        objects = [bpy.data.objects.get(self.obj)] if self.obj else bpy.context.selected_objects
+        objects = [bpy.data.objects.get(self.obj)] if self.obj else context.selected_objects
         self.file = IfcStore.get_file()
         self.declaration = IfcStore.get_schema().declaration_by_name(self.ifc_class)
         if self.predefined_type == "USERDEFINED":
@@ -128,22 +128,22 @@ class AssignClass(bpy.types.Operator):
             )
 
         if product.is_a("IfcElementType"):
-            self.place_in_types_collection(obj)
+            self.place_in_types_collection(obj, context)
         elif product.is_a("IfcOpeningElement"):
-            self.place_in_openings_collection(obj)
+            self.place_in_openings_collection(obj, context)
         elif (
             product.is_a("IfcSpatialElement")
             or product.is_a("IfcSpatialStructureElement")
             or product.is_a("IfcProject")
             or product.is_a("IfcContext")
         ):
-            self.place_in_spatial_collection(obj)
+            self.place_in_spatial_collection(obj, context)
         else:
             self.assign_potential_spatial_container(obj)
         context.view_layer.objects.active = obj
 
-    def place_in_types_collection(self, obj):
+    def place_in_types_collection(self, obj, context):
-        for project in [c for c in bpy.context.view_layer.layer_collection.children if "IfcProject" in c.name]:
+        for project in [c for c in context.view_layer.layer_collection.children if "IfcProject" in c.name]:
             if not [c for c in project.children if "Types" in c.name]:
                 types = bpy.data.collections.new("Types")
                 project.collection.children.link(types)
@@ -154,8 +154,8 @@ class AssignClass(bpy.types.Operator):
                 break
             break
 
-    def place_in_openings_collection(self, obj):
+    def place_in_openings_collection(self, obj, context):
-        for project in [c for c in bpy.context.view_layer.layer_collection.children if "IfcProject" in c.name]:
+        for project in [c for c in context.view_layer.layer_collection.children if "IfcProject" in c.name]:
             if not [c for c in project.children if "IfcOpeningElements" in c.name]:
                 opening_elements = bpy.data.collections.new("IfcOpeningElements")
                 project.collection.children.link(opening_elements)
@@ -166,7 +166,7 @@ class AssignClass(bpy.types.Operator):
                 break
             break
 
-    def place_in_spatial_collection(self, obj):
+    def place_in_spatial_collection(self, obj, context):
         for collection in obj.users_collection:
             if collection.name == obj.name:
                 return
@@ -181,7 +181,7 @@ class AssignClass(bpy.types.Operator):
             parent_collection.children.link(collection)
             bpy.ops.bim.assign_object(related_object=obj.name, relating_object=parent_collection.name)
         else:
-            bpy.context.scene.collection.children.link(collection)
+            context.scene.collection.children.link(collection)
 
     def assign_potential_spatial_container(self, obj):
         for collection in obj.users_collection:
@@ -209,7 +209,7 @@ class UnassignClass(bpy.types.Operator):
         if self.obj:
             objects = [bpy.data.objects.get(self.obj)]
         else:
-            objects = bpy.context.selected_objects
+            objects = context.selected_objects
         for obj in objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
@@ -252,7 +252,7 @@ class UnlinkObject(bpy.types.Operator):
         if self.obj:
             objects = [bpy.data.objects.get(self.obj)]
         else:
-            objects = bpy.context.selected_objects
+            objects = context.selected_objects
         for obj in objects:
             if obj.BIMObjectProperties.ifc_definition_id:
                 IfcStore.unlink_element(obj=obj)
@@ -275,7 +275,7 @@ class CopyClass(bpy.types.Operator):
         if self.obj:
             objects = [bpy.data.objects.get(self.obj)]
         else:
-            objects = bpy.context.selected_objects
+            objects = context.selected_objects
         for obj in objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue

src/blenderbim/blenderbim/bim/module/root/ui.py

@@ -30,7 +30,7 @@ class BIM_PT_class(Panel):
                 row = self.layout.row(align=True)
                 row.operator("bim.reassign_class", icon="CHECKMARK")
                 row.operator("bim.disable_reassign_class", icon="X", text="")
-                self.draw_class_dropdowns()
+                self.draw_class_dropdowns(context)
             else:
                 data = Data.products[props.ifc_definition_id]
                 name = data["type"]
@@ -50,15 +50,15 @@ class BIM_PT_class(Panel):
                 else:
                     row.operator("bim.unassign_class", icon="X", text="").obj = context.active_object.name
         else:
-            self.draw_class_dropdowns()
+            self.draw_class_dropdowns(context)
             row = self.layout.row(align=True)
             op = row.operator("bim.assign_class")
-            op.ifc_class = bpy.context.scene.BIMRootProperties.ifc_class
+            op.ifc_class = context.scene.BIMRootProperties.ifc_class
-            op.predefined_type = bpy.context.scene.BIMRootProperties.ifc_predefined_type
+            op.predefined_type = context.scene.BIMRootProperties.ifc_predefined_type
-            op.userdefined_type = bpy.context.scene.BIMRootProperties.ifc_userdefined_type
+            op.userdefined_type = context.scene.BIMRootProperties.ifc_userdefined_type
 
-    def draw_class_dropdowns(self):
+    def draw_class_dropdowns(self, context):
-        props = bpy.context.scene.BIMRootProperties
+        props = context.scene.BIMRootProperties
         row = self.layout.row()
         row.prop(props, "ifc_product")
         row = self.layout.row()
@@ -70,4 +70,4 @@ class BIM_PT_class(Panel):
             row = self.layout.row()
             row.prop(props, "ifc_userdefined_type")
         row = self.layout.row()
-        row.prop(bpy.context.scene.BIMProperties, "contexts")
+        row.prop(context.scene.BIMProperties, "contexts")

src/blenderbim/blenderbim/bim/module/search/operator.py

@@ -22,17 +22,18 @@ colour_list = [
 ]
 
 
-def does_keyword_exist(pattern, string):
+def does_keyword_exist(pattern, string, context):
     string = str(string)
+    props = context.scene.BIMSearchProperties
     if (
-        bpy.context.scene.BIMSearchProperties.should_use_regex
+        props.should_use_regex
-        and bpy.context.scene.BIMSearchProperties.should_ignorecase
+        and props.should_ignorecase
         and re.search(pattern, string, flags=re.IGNORECASE)
     ):
         return True
-    elif bpy.context.scene.BIMSearchProperties.should_use_regex and re.search(pattern, string):
+    elif props.should_use_regex and re.search(pattern, string):
         return True
-    elif bpy.context.scene.BIMSearchProperties.should_ignorecase and string.lower() == pattern.lower():
+    elif props.should_ignorecase and string.lower() == pattern.lower():
         return True
     elif string == pattern:
         return True
@@ -70,7 +71,7 @@ class SelectIfcClass(bpy.types.Operator):
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
-            if does_keyword_exist(self.ifc_class, element.is_a()):
+            if does_keyword_exist(self.ifc_class, element.is_a(), context):
                 obj.select_set(True)
         return {"FINISHED"}
 
@@ -94,7 +95,7 @@ class SelectAttribute(bpy.types.Operator):
                 value = next((v for k, v in data.items() if k.lower() == attribute_name.lower()), None)
             else:
                 value = getattr(element, attribute_name, None)
-            if does_keyword_exist(pattern, value):
+            if does_keyword_exist(pattern, value, context):
                 obj.select_set(True)
         return {"FINISHED"}
 
@@ -126,7 +127,7 @@ class SelectPset(bpy.types.Operator):
             else:
                 props = props or psets.get(search_pset_name, {})
                 value = props.get(search_prop_name, None)
-            if does_keyword_exist(pattern, value):
+            if does_keyword_exist(pattern, value, context):
                 obj.select_set(True)
         return {"FINISHED"}
 
@@ -138,7 +139,7 @@ class ColourByAttribute(bpy.types.Operator):
 
     def execute(self, context):
         IfcStore.begin_transaction(self)
-        self.store_state()
+        self.store_state(context)
         result = self._execute(context)
         IfcStore.add_transaction_operation(self)
         IfcStore.end_transaction(self)
@@ -161,13 +162,13 @@ class ColourByAttribute(bpy.types.Operator):
             if value not in values:
                 values[value] = next(colours)
             obj.color = values[value]
-        areas = [a for a in bpy.context.screen.areas if a.type == "VIEW_3D"]
+        areas = [a for a in context.screen.areas if a.type == "VIEW_3D"]
         if areas:
             areas[0].spaces[0].shading.color_type = "OBJECT"
         return {"FINISHED"}
 
-    def store_state(self):
+    def store_state(self, context):
-        areas = [a for a in bpy.context.screen.areas if a.type == "VIEW_3D"]
+        areas = [a for a in context.screen.areas if a.type == "VIEW_3D"]
         if areas:
             self.transaction_data = {"area": areas[0], "color_type": areas[0].spaces[0].shading.color_type}
 
@@ -187,7 +188,7 @@ class ColourByPset(bpy.types.Operator):
 
     def execute(self, context):
         IfcStore.begin_transaction(self)
-        self.store_state()
+        self.store_state(context)
         result = self._execute(context)
         IfcStore.add_transaction_operation(self)
         IfcStore.end_transaction(self)
@@ -218,13 +219,13 @@ class ColourByPset(bpy.types.Operator):
             if value not in values:
                 values[value] = next(colours)
             obj.color = values[value]
-        areas = [a for a in bpy.context.screen.areas if a.type == "VIEW_3D"]
+        areas = [a for a in context.screen.areas if a.type == "VIEW_3D"]
         if areas:
             areas[0].spaces[0].shading.color_type = "OBJECT"
         return {"FINISHED"}
 
-    def store_state(self):
+    def store_state(self, context):
-        areas = [a for a in bpy.context.screen.areas if a.type == "VIEW_3D"]
+        areas = [a for a in context.screen.areas if a.type == "VIEW_3D"]
         if areas:
             self.transaction_data = {"area": areas[0], "color_type": areas[0].spaces[0].shading.color_type}
 
@@ -244,7 +245,7 @@ class ColourByClass(bpy.types.Operator):
 
     def execute(self, context):
         IfcStore.begin_transaction(self)
-        self.store_state()
+        self.store_state(context)
         result = self._execute(context)
         IfcStore.add_transaction_operation(self)
         IfcStore.end_transaction(self)
@@ -254,7 +255,7 @@ class ColourByClass(bpy.types.Operator):
         self.file = IfcStore.get_file()
         colours = cycle(colour_list)
         ifc_classes = {}
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue
             element = self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)
@@ -262,13 +263,13 @@ class ColourByClass(bpy.types.Operator):
             if ifc_class not in ifc_classes:
                 ifc_classes[ifc_class] = next(colours)
             obj.color = ifc_classes[ifc_class]
-        areas = [a for a in bpy.context.screen.areas if a.type == "VIEW_3D"]
+        areas = [a for a in context.screen.areas if a.type == "VIEW_3D"]
         if areas:
             areas[0].spaces[0].shading.color_type = "OBJECT"
         return {"FINISHED"}
 
-    def store_state(self):
+    def store_state(self, context):
-        areas = [a for a in bpy.context.screen.areas if a.type == "VIEW_3D"]
+        areas = [a for a in context.screen.areas if a.type == "VIEW_3D"]
         if areas:
             self.transaction_data = {"area": areas[0], "color_type": areas[0].spaces[0].shading.color_type}
 
@@ -286,6 +287,6 @@ class ResetObjectColours(bpy.types.Operator):
     bl_label = "Reset Colours"
 
     def execute(self, context):
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             obj.color = (1, 1, 1, 1)
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/sequence/operator.py

@@ -753,7 +753,7 @@ class AssignProduct(bpy.types.Operator):
 
     def _execute(self, context):
         relating_products = (
-            [bpy.data.objects.get(self.relating_product)] if self.relating_product else bpy.context.selected_objects
+            [bpy.data.objects.get(self.relating_product)] if self.relating_product else context.selected_objects
         )
         for relating_product in relating_products:
             self.file = IfcStore.get_file()
@@ -779,7 +779,7 @@ class UnassignProduct(bpy.types.Operator):
 
     def _execute(self, context):
         relating_products = (
-            [bpy.data.objects.get(self.relating_product)] if self.relating_product else bpy.context.selected_objects
+            [bpy.data.objects.get(self.relating_product)] if self.relating_product else context.selected_objects
         )
         for relating_product in relating_products:
             self.file = IfcStore.get_file()
@@ -805,7 +805,7 @@ class AssignProcess(bpy.types.Operator):
 
     def _execute(self, context):
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         for related_object in related_objects:
             self.file = IfcStore.get_file()
@@ -831,7 +831,7 @@ class UnassignProcess(bpy.types.Operator):
 
     def _execute(self, context):
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         for related_object in related_objects:
             self.file = IfcStore.get_file()
@@ -864,10 +864,10 @@ class GenerateGanttChart(bpy.types.Operator):
         }
         for task_id in Data.work_schedules[self.work_schedule]["RelatedObjects"]:
             self.create_new_task_json(task_id)
-        with open(os.path.join(bpy.context.scene.BIMProperties.data_dir, "gantt", "index.html"), "w") as f:
+        with open(os.path.join(context.scene.BIMProperties.data_dir, "gantt", "index.html"), "w") as f:
-            with open(os.path.join(bpy.context.scene.BIMProperties.data_dir, "gantt", "index.mustache"), "r") as t:
+            with open(os.path.join(context.scene.BIMProperties.data_dir, "gantt", "index.mustache"), "r") as t:
                 f.write(pystache.render(t.read(), {"json_data": json.dumps(self.json)}))
-        webbrowser.open("file://" + os.path.join(bpy.context.scene.BIMProperties.data_dir, "gantt", "index.html"))
+        webbrowser.open("file://" + os.path.join(context.scene.BIMProperties.data_dir, "gantt", "index.html"))
         return {"FINISHED"}
 
     def create_new_task_json(self, task_id):
@@ -1568,7 +1568,7 @@ class SelectTaskRelatedProducts(bpy.types.Operator):
         related_products = ifcopenshell.api.run(
             "sequence.get_related_products", self.file, **{"related_object": self.file.by_id(self.task)}
         )
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             obj.select_set(False)
             if obj.BIMObjectProperties.ifc_definition_id in related_products:
                 obj.select_set(True)
@@ -1644,7 +1644,7 @@ class VisualiseWorkScheduleDateRange(bpy.types.Operator):
         self.finish = parser.parse(self.props.visualisation_finish, dayfirst=True, fuzzy=True)
         self.duration = self.finish - self.start
         self.start_frame = 1
-        self.total_frames = self.calculate_total_frames()
+        self.total_frames = self.calculate_total_frames(context)
         self.preprocess_tasks()
         for obj in bpy.data.objects:
             if not obj.BIMObjectProperties.ifc_definition_id:
@@ -1742,7 +1742,7 @@ class VisualiseWorkScheduleDateRange(bpy.types.Operator):
         obj.keyframe_insert(data_path="color", frame=product_frame["COMPLETED"])
         obj.keyframe_insert(data_path="hide_viewport", frame=product_frame["COMPLETED"])
 
-    def calculate_total_frames(self):
+    def calculate_total_frames(self, context):
         if self.props.speed_types == "FRAME_SPEED":
             return self.calculate_using_frames(
                 self.start,
@@ -1754,7 +1754,7 @@ class VisualiseWorkScheduleDateRange(bpy.types.Operator):
             return self.calculate_using_duration(
                 self.start,
                 self.finish,
-                bpy.context.scene.render.fps,
+                context.scene.render.fps,
                 isodate.parse_duration(self.props.speed_animation_duration),
                 isodate.parse_duration(self.props.speed_real_duration),
             )
@@ -1762,7 +1762,7 @@ class VisualiseWorkScheduleDateRange(bpy.types.Operator):
             return self.calculate_using_multiplier(
                 self.start,
                 self.finish,
-                bpy.context.scene.render.fps,
+                context.scene.render.fps,
                 self.props.speed_multiplier,
             )
 

src/blenderbim/blenderbim/bim/module/spatial/operator.py

@@ -22,7 +22,7 @@ class AssignContainer(bpy.types.Operator):
         active_object = context.active_object
         self.file = IfcStore.get_file()
         related_elements = (
-            [bpy.data.objects.get(self.related_element)] if self.related_element else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_element)] if self.related_element else context.selected_objects
         )
         sprops = context.scene.BIMSpatialProperties
         relating_structure = (
@@ -52,7 +52,7 @@ class AssignContainer(bpy.types.Operator):
                 relating_collection = bpy.data.collections.get(relating_structure_obj.name)
 
             if aggregate_collection:
-                self.remove_collection(bpy.context.scene.collection, aggregate_collection)
+                self.remove_collection(context.scene.collection, aggregate_collection)
                 for collection in bpy.data.collections:
                     self.remove_collection(collection, aggregate_collection)
                 relating_collection.children.link(aggregate_collection)
@@ -77,7 +77,7 @@ class EnableEditingContainer(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        bpy.context.active_object.BIMObjectSpatialProperties.is_editing = True
+        context.active_object.BIMObjectSpatialProperties.is_editing = True
         getSpatialContainers(self, context)
         return {"FINISHED"}
 
@@ -100,7 +100,7 @@ class DisableEditingContainer(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         obj.BIMObjectSpatialProperties.is_editing = False
         return {"FINISHED"}
 
@@ -115,7 +115,7 @@ class RemoveContainer(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         oprops = obj.BIMObjectProperties
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
@@ -125,14 +125,14 @@ class RemoveContainer(bpy.types.Operator):
 
         aggregate_collection = bpy.data.collections.get(obj.name)
         if aggregate_collection:
-            self.remove_collection(bpy.context.scene.collection, aggregate_collection)
+            self.remove_collection(context.scene.collection, aggregate_collection)
             for collection in bpy.data.collections:
                 self.remove_collection(collection, spatial_collection)
-            bpy.context.scene.collection.children.link(aggregate_collection)
+            context.scene.collection.children.link(aggregate_collection)
         else:
             for collection in obj.users_collection:
                 collection.objects.unlink(obj)
-            bpy.context.scene.collection.objects.link(obj)
+            context.scene.collection.objects.link(obj)
         return {"FINISHED"}
 
     def remove_collection(self, parent, child):
@@ -153,7 +153,7 @@ class CopyToContainer(bpy.types.Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
-        objects = [bpy.data.objects.get(self.obj)] if self.obj else bpy.context.selected_objects
+        objects = [bpy.data.objects.get(self.obj)] if self.obj else context.selected_objects
         sprops = context.scene.BIMSpatialProperties
         container_ids = [c.ifc_definition_id for c in sprops.spatial_elements if c.is_selected]
         for obj in objects:

src/blenderbim/blenderbim/bim/module/structural/operator.py

@@ -20,7 +20,7 @@ class AddStructuralMemberConnection(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         oprops = obj.BIMObjectProperties
         props = obj.BIMStructuralProperties
         file = IfcStore.get_file()
@@ -46,7 +46,7 @@ class EnableEditingStructuralConnectionCondition(bpy.types.Operator):
     connects_structural_member: bpy.props.IntProperty()
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         oprops = obj.BIMObjectProperties
         props = obj.BIMStructuralProperties
         applied_condition_id = Data.connects_structural_members[self.connects_structural_member]["AppliedCondition"]
@@ -60,7 +60,7 @@ class DisableEditingStructuralConnectionCondition(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         props = obj.BIMStructuralProperties
         props.active_connects_structural_member = 0
         return {"FINISHED"}
@@ -423,7 +423,7 @@ class EnableEditingStructuralItemAxis(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         oprops = obj.BIMObjectProperties
         props = obj.BIMStructuralProperties
 
@@ -463,7 +463,7 @@ class DisableEditingStructuralItemAxis(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         props = obj.BIMStructuralProperties
         props.is_editing_axis = False
         if props.axis_empty:
@@ -479,7 +479,7 @@ class EditStructuralItemAxis(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         oprops = obj.BIMObjectProperties
         props = obj.BIMStructuralProperties
         relative_matrix = props.axis_empty.matrix_world @ obj.matrix_world.inverted()
@@ -501,7 +501,7 @@ class EnableEditingStructuralConnectionCS(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         oprops = obj.BIMObjectProperties
         props = obj.BIMStructuralProperties
 
@@ -553,7 +553,7 @@ class DisableEditingStructuralConnectionCS(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         props = obj.BIMStructuralProperties
         props.is_editing_connection_cs = False
         if props.ccs_empty:
@@ -570,7 +570,7 @@ class EditStructuralConnectionCS(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.context.active_object
+        obj = context.active_object
         oprops = obj.BIMObjectProperties
         props = obj.BIMStructuralProperties
         relative_matrix = props.ccs_empty.matrix_world @ obj.matrix_world.inverted()

src/blenderbim/blenderbim/bim/module/structural/prop.py

@@ -31,7 +31,7 @@ def getApplicableStructuralLoadTypes(self, context):
     element_classes = set(
         [
             ifc_file.by_id(o.BIMObjectProperties.ifc_definition_id).is_a()
-            for o in bpy.context.selected_objects
+            for o in context.selected_objects
             if o.BIMObjectProperties.ifc_definition_id
         ]
     )

src/blenderbim/blenderbim/bim/module/style/operator.py

@@ -32,7 +32,7 @@ class UpdateStyleColours(bpy.types.Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
-        material = bpy.data.materials.get(self.material) if self.material else bpy.context.active_object.active_material
+        material = bpy.data.materials.get(self.material) if self.material else context.active_object.active_material
         settings = get_colour_settings(material)
         settings["style"] = self.file.by_id(material.BIMMaterialProperties.ifc_style_id)
         ifcopenshell.api.run("style.edit_style_colours", self.file, **settings)
@@ -50,7 +50,7 @@ class RemoveStyle(bpy.types.Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
-        material = bpy.data.materials.get(self.material) if self.material else bpy.context.active_object.active_material
+        material = bpy.data.materials.get(self.material) if self.material else context.active_object.active_material
         ifcopenshell.api.run(
             "style.remove_style", self.file, style=self.file.by_id(material.BIMMaterialProperties.ifc_style_id)
         )
@@ -69,7 +69,7 @@ class AddStyle(bpy.types.Operator):
 
     def _execute(self, context):
         self.file = IfcStore.get_file()
-        material = bpy.data.materials.get(self.material) if self.material else bpy.context.active_object.active_material
+        material = bpy.data.materials.get(self.material) if self.material else context.active_object.active_material
         settings = get_colour_settings(material)
         settings["name"] = material.name
         settings["external_definition"] = None  # TODO: Implement. See #1222
@@ -108,7 +108,7 @@ class EnableEditingStyle(bpy.types.Operator):
     material: bpy.props.StringProperty()
 
     def execute(self, context):
-        material = bpy.data.materials.get(self.material) if self.material else bpy.context.active_object.active_material
+        material = bpy.data.materials.get(self.material) if self.material else context.active_object.active_material
         props = material.BIMStyleProperties
         while len(props.attributes) > 0:
             props.attributes.remove(0)
@@ -126,7 +126,7 @@ class DisableEditingStyle(bpy.types.Operator):
     material: bpy.props.StringProperty()
 
     def execute(self, context):
-        material = bpy.data.materials.get(self.material) if self.material else bpy.context.active_object.active_material
+        material = bpy.data.materials.get(self.material) if self.material else context.active_object.active_material
         props = material.BIMStyleProperties
         props.is_editing_attributes = False
         return {"FINISHED"}
@@ -141,7 +141,7 @@ class EditStyle(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        material = bpy.context.active_object.active_material
+        material = context.active_object.active_material
         props = material.BIMStyleProperties
         attributes = blenderbim.bim.helper.export_attributes(props.attributes)
         self.file = IfcStore.get_file()

src/blenderbim/blenderbim/bim/module/system/operator.py

@@ -186,7 +186,7 @@ class SelectSystemProducts(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             obj.select_set(False)
             if not obj.BIMObjectProperties.ifc_definition_id:
                 continue

src/blenderbim/blenderbim/bim/module/type/operator.py

@@ -24,7 +24,7 @@ class AssignType(bpy.types.Operator):
         related_objects = (
             [bpy.data.objects.get(self.related_object)]
             if self.related_object
-            else bpy.context.selected_objects or [bpy.context.active_object]
+            else context.selected_objects or [context.active_object]
         )
         for related_object in related_objects:
             oprops = related_object.BIMObjectProperties
@@ -72,7 +72,7 @@ class UnassignType(bpy.types.Operator):
     def _execute(self, context):
         self.file = IfcStore.get_file()
         related_objects = (
-            [bpy.data.objects.get(self.related_object)] if self.related_object else bpy.context.selected_objects
+            [bpy.data.objects.get(self.related_object)] if self.related_object else context.selected_objects
         )
         for related_object in related_objects:
             oprops = related_object.BIMObjectProperties
@@ -93,7 +93,7 @@ class EnableEditingType(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        bpy.context.active_object.BIMTypeProperties.is_editing_type = True
+        context.active_object.BIMTypeProperties.is_editing_type = True
         return {"FINISHED"}
 
 
@@ -104,7 +104,7 @@ class DisableEditingType(bpy.types.Operator):
     obj: bpy.props.StringProperty()
 
     def execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         obj.BIMTypeProperties.is_editing_type = False
         return {"FINISHED"}
 
@@ -117,7 +117,7 @@ class SelectSimilarType(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        related_object = bpy.data.objects.get(self.related_object) if self.related_object else bpy.context.active_object
+        related_object = bpy.data.objects.get(self.related_object) if self.related_object else context.active_object
         oprops = related_object.BIMObjectProperties
         product = self.file.by_id(oprops.ifc_definition_id)
         declaration = IfcStore.get_schema().declaration_by_name(product.is_a())
@@ -129,7 +129,7 @@ class SelectSimilarType(bpy.types.Operator):
             related_objects = ifcopenshell.api.run(
                 "type.get_related_objects", self.file, **{"related_object": self.file.by_id(oprops.ifc_definition_id)}
             )
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             if obj.BIMObjectProperties.ifc_definition_id in related_objects:
                 obj.select_set(True)
         return {"FINISHED"}
@@ -143,10 +143,10 @@ class SelectTypeObjects(bpy.types.Operator):
 
     def execute(self, context):
         self.file = IfcStore.get_file()
-        relating_type = bpy.data.objects.get(self.relating_type) if self.relating_type else bpy.context.active_object
+        relating_type = bpy.data.objects.get(self.relating_type) if self.relating_type else context.active_object
         oprops = relating_type.BIMObjectProperties
         related_objects = Data.types[oprops.ifc_definition_id]
-        for obj in bpy.context.visible_objects:
+        for obj in context.visible_objects:
             if obj.BIMObjectProperties.ifc_definition_id in related_objects:
                 obj.select_set(True)
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/module/unit/operator.py

@@ -13,26 +13,27 @@ class AssignUnit(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        ifcopenshell.api.run("unit.assign_unit", IfcStore.get_file(), **self.get_units())
+        ifcopenshell.api.run("unit.assign_unit", IfcStore.get_file(), **self.get_units(context))
         Data.load(IfcStore.get_file())
         return {"FINISHED"}
 
-    def get_units(self):
+    def get_units(self, context):
+        scene = context.scene
         units = {
             "length": {
                 "ifc": None,
-                "is_metric": bpy.context.scene.unit_settings.system != "IMPERIAL",
+                "is_metric": scene.unit_settings.system != "IMPERIAL",
-                "raw": bpy.context.scene.unit_settings.length_unit,
+                "raw": scene.unit_settings.length_unit,
             },
             "area": {
                 "ifc": None,
-                "is_metric": bpy.context.scene.unit_settings.system != "IMPERIAL",
+                "is_metric": scene.unit_settings.system != "IMPERIAL",
-                "raw": bpy.context.scene.unit_settings.length_unit,
+                "raw": scene.unit_settings.length_unit,
             },
             "volume": {
                 "ifc": None,
-                "is_metric": bpy.context.scene.unit_settings.system != "IMPERIAL",
+                "is_metric": scene.unit_settings.system != "IMPERIAL",
-                "raw": bpy.context.scene.unit_settings.length_unit,
+                "raw": scene.unit_settings.length_unit,
             },
         }
         for data in units.values():

src/blenderbim/blenderbim/bim/module/void/operator.py

@@ -16,7 +16,7 @@ class AddOpening(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         opening = bpy.data.objects.get(self.opening)
         opening.display_type = "WIRE"
         if not opening.BIMObjectProperties.ifc_definition_id:
@@ -69,7 +69,7 @@ class RemoveOpening(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         for modifier in obj.modifiers:
             if modifier.type != "BOOLEAN":
@@ -97,7 +97,7 @@ class AddFilling(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         opening = bpy.data.objects.get(self.opening) if self.opening else context.scene.VoidProperties.desired_opening
         self.file = IfcStore.get_file()
         element_id = obj.BIMObjectProperties.ifc_definition_id
@@ -123,7 +123,7 @@ class RemoveFilling(bpy.types.Operator):
         return IfcStore.execute_ifc_operator(self, context)
 
     def _execute(self, context):
-        obj = bpy.data.objects.get(self.obj) if self.obj else bpy.context.active_object
+        obj = bpy.data.objects.get(self.obj) if self.obj else context.active_object
         self.file = IfcStore.get_file()
         ifcopenshell.api.run(
             "void.remove_filling", self.file, **{"element": self.file.by_id(obj.BIMObjectProperties.ifc_definition_id)}
@@ -138,7 +138,7 @@ class ToggleOpeningVisibility(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        for project in [c for c in bpy.context.view_layer.layer_collection.children if "IfcProject" in c.name]:
+        for project in [c for c in context.view_layer.layer_collection.children if "IfcProject" in c.name]:
             for collection in [c for c in project.children if "IfcOpeningElements" in c.name]:
                 collection.hide_viewport = not collection.hide_viewport
         return {"FINISHED"}

src/blenderbim/blenderbim/bim/operator.py

@@ -29,8 +29,8 @@ class ExportIFC(bpy.types.Operator):
         if not IfcStore.get_file():
             self.report({"ERROR"}, "No IFC project is available for export - create or import a project first.")
             return {"FINISHED"}
-        if bpy.context.scene.BIMProperties.ifc_file:
+        if context.scene.BIMProperties.ifc_file:
-            self.filepath = bpy.context.scene.BIMProperties.ifc_file
+            self.filepath = context.scene.BIMProperties.ifc_file
             return self.execute(context)
         if not self.filepath:
             self.filepath = bpy.path.ensure_ext(bpy.data.filepath, ".ifc")
@@ -69,11 +69,12 @@ class ExportIFC(bpy.types.Operator):
         ifc_exporter.export()
         settings.logger.info("Export finished in {:.2f} seconds".format(time.time() - start))
         print("Export finished in {:.2f} seconds".format(time.time() - start))
-        if not bpy.context.scene.DocProperties.ifc_files:
+        scene = context.scene
-            new = bpy.context.scene.DocProperties.ifc_files.add()
+        if not scene.DocProperties.ifc_files:
+            new = scene.DocProperties.ifc_files.add()
             new.name = output_file
-        if not bpy.context.scene.BIMProperties.ifc_file:
+        if not scene.BIMProperties.ifc_file:
-            bpy.context.scene.BIMProperties.ifc_file = output_file
+            scene.BIMProperties.ifc_file = output_file
         if bpy.data.is_saved and bpy.data.is_dirty and bpy.data.filepath:
             bpy.ops.wm.save_mainfile(filepath=bpy.data.filepath)
         return {"FINISHED"}
@@ -109,8 +110,8 @@ class ImportIFC(bpy.types.Operator, ImportHelper):
     def execute(self, context):
         start = time.time()
         logger = logging.getLogger("ImportIFC")
-        path_log = os.path.join(bpy.context.scene.BIMProperties.data_dir, "process.log"),
+        path_log = os.path.join(context.scene.BIMProperties.data_dir, "process.log"),
-        if not os.access(bpy.context.scene.BIMProperties.data_dir, os.W_OK):
+        if not os.access(context.scene.BIMProperties.data_dir, os.W_OK):
             path_log = os.path.join(tempfile.mkdtemp(), "process.log")
         logging.basicConfig(
             filename=path_log,
@@ -161,7 +162,7 @@ class SelectIfcFile(bpy.types.Operator):
 
     def execute(self, context):
         if os.path.exists(self.filepath) and "ifc" in os.path.splitext(self.filepath)[1]:
-            bpy.context.scene.BIMProperties.ifc_file = self.filepath
+            context.scene.BIMProperties.ifc_file = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -176,7 +177,7 @@ class SelectDataDir(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.BIMProperties.data_dir = os.path.dirname(self.filepath)
+        context.scene.BIMProperties.data_dir = os.path.dirname(self.filepath)
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -191,7 +192,7 @@ class SelectSchemaDir(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        bpy.context.scene.BIMProperties.schema_dir = os.path.dirname(self.filepath)
+        context.scene.BIMProperties.schema_dir = os.path.dirname(self.filepath)
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -222,36 +223,36 @@ class AddSectionPlane(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        obj = self.create_section_obj()
+        obj = self.create_section_obj(context)
         if not self.has_section_override_node():
             self.create_section_compare_node()
-            self.create_section_override_node(obj)
+            self.create_section_override_node(obj, context)
         else:
             self.append_obj_to_section_override_node(obj)
-        self.add_default_material_if_none_exists()
+        self.add_default_material_if_none_exists(context)
         self.override_materials()
         return {"FINISHED"}
 
-    def create_section_obj(self):
+    def create_section_obj(self, context):
         section = bpy.data.objects.new("Section", None)
         section.empty_display_type = "SINGLE_ARROW"
         section.empty_display_size = 5
         section.show_in_front = True
         if (
-            bpy.context.active_object
+            context.active_object
-            and bpy.context.active_object.select_get()
+            and context.active_object.select_get()
-            and isinstance(bpy.context.active_object.data, bpy.types.Camera)
+            and isinstance(context.active_object.data, bpy.types.Camera)
         ):
             section.matrix_world = (
-                bpy.context.active_object.matrix_world @ Euler((radians(180.0), 0.0, 0.0), "XYZ").to_matrix().to_4x4()
+                context.active_object.matrix_world @ Euler((radians(180.0), 0.0, 0.0), "XYZ").to_matrix().to_4x4()
             )
         else:
             section.rotation_euler = Euler((radians(180.0), 0.0, 0.0), "XYZ")
-            section.location = bpy.context.scene.cursor.location
+            section.location = context.scene.cursor.location
         collection = bpy.data.collections.get("Sections")
         if not collection:
             collection = bpy.data.collections.new("Sections")
-            bpy.context.scene.collection.children.link(collection)
+            context.scene.collection.children.link(collection)
         collection.objects.link(section)
         return section
 
@@ -283,7 +284,7 @@ class AddSectionPlane(bpy.types.Operator):
         group.links.new(add.outputs[0], compare.inputs[0])
         group.links.new(compare.outputs[0], group_output.inputs[""])
 
-    def create_section_override_node(self, obj):
+    def create_section_override_node(self, obj, context):
         group = bpy.data.node_groups.new("Section Override", type="ShaderNodeTree")
 
         group_input = group.nodes.new(type="NodeGroupInput")
@@ -292,7 +293,7 @@ class AddSectionPlane(bpy.types.Operator):
         backfacing = group.nodes.new(type="ShaderNodeNewGeometry")
         backfacing_mix = group.nodes.new(type="ShaderNodeMixShader")
         emission = group.nodes.new(type="ShaderNodeEmission")
-        emission.inputs[0].default_value = list(bpy.context.scene.BIMProperties.section_plane_colour) + [1]
+        emission.inputs[0].default_value = list(context.scene.BIMProperties.section_plane_colour) + [1]
 
         group.links.new(backfacing.outputs["Backfacing"], backfacing_mix.inputs[0])
         group.links.new(group_input.outputs[""], backfacing_mix.inputs[1])
@@ -337,16 +338,16 @@ class AddSectionPlane(bpy.types.Operator):
 
         section_compare.name = "Last Section Compare"
 
-    def add_default_material_if_none_exists(self):
+    def add_default_material_if_none_exists(self, context):
         material = bpy.data.materials.get("Section Override")
         if not material:
             material = bpy.data.materials.new("Section Override")
             material.use_nodes = True
 
-        if bpy.context.scene.BIMProperties.should_section_selected_objects:
+        if context.scene.BIMProperties.should_section_selected_objects:
-            objects = list(bpy.context.selected_objects)
+            objects = list(context.selected_objects)
         else:
-            objects = list(bpy.context.visible_objects)
+            objects = list(context.visible_objects)
 
         for obj in objects:
             aggregate = obj.instance_collection
@@ -390,7 +391,7 @@ class RemoveSectionPlane(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        name = bpy.context.active_object.name
+        name = context.active_object.name
         section_override = bpy.data.node_groups.get("Section Override")
         if not section_override:
             return {"FINISHED"}
@@ -406,7 +407,7 @@ class RemoveSectionPlane(bpy.types.Operator):
             else:  # If it links to section_compare.inputs[0]
                 if section_compare.inputs[1].links[0].from_node.name == "Mock Section":
                     # Then it is the very last section. Purge everything.
-                    self.purge_all_section_data()
+                    self.purge_all_section_data(context)
                     return {"FINISHED"}
                 section_override.links.new(
                     section_compare.inputs[1].links[0].from_socket, section_compare.outputs[0].links[0].to_socket
@@ -419,10 +420,10 @@ class RemoveSectionPlane(bpy.types.Operator):
             section_mix = section_override.nodes.get("Section Mix")
             new_last_compare = section_mix.inputs[0].links[0].from_node
             new_last_compare.name = "Last Section Compare"
-        bpy.ops.object.delete({"selected_objects": [bpy.context.active_object]})
+        bpy.ops.object.delete({"selected_objects": [context.active_object]})
         return {"FINISHED"}
 
-    def purge_all_section_data(self):
+    def purge_all_section_data(self, context):
         bpy.data.materials.remove(bpy.data.materials.get("Section Override"))
         for material in bpy.data.materials:
             if not material.node_tree:
@@ -436,7 +437,7 @@ class RemoveSectionPlane(bpy.types.Operator):
             material.node_tree.nodes.remove(override)
         bpy.data.node_groups.remove(bpy.data.node_groups.get("Section Override"))
         bpy.data.node_groups.remove(bpy.data.node_groups.get("Section Compare"))
-        bpy.ops.object.delete({"selected_objects": [bpy.context.active_object]})
+        bpy.ops.object.delete({"selected_objects": [context.active_object]})
 
 
 class ReloadIfcFile(bpy.types.Operator):
@@ -455,7 +456,7 @@ class AddIfcFile(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        bpy.context.scene.DocProperties.ifc_files.add()
+        context.scene.DocProperties.ifc_files.add()
         return {"FINISHED"}
 
 
@@ -466,7 +467,7 @@ class RemoveIfcFile(bpy.types.Operator):
     bl_options = {"REGISTER", "UNDO"}
 
     def execute(self, context):
-        bpy.context.scene.DocProperties.ifc_files.remove(self.index)
+        context.scene.DocProperties.ifc_files.remove(self.index)
         return {"FINISHED"}
 
 
@@ -477,9 +478,9 @@ class SetOverrideColour(bpy.types.Operator):
 
     def execute(self, context):
         result = 0
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
-            obj.color = bpy.context.scene.BIMProperties.override_colour
+            obj.color = context.scene.BIMProperties.override_colour
-        area = next(area for area in bpy.context.screen.areas if area.type == "VIEW_3D")
+        area = next(area for area in context.screen.areas if area.type == "VIEW_3D")
         area.spaces[0].shading.color_type = "OBJECT"
         return {"FINISHED"}
 
@@ -505,7 +506,7 @@ class LinkIfc(bpy.types.Operator):
     filepath: bpy.props.StringProperty(subtype="FILE_PATH")
 
     def execute(self, context):
-        # bpy.context.active_object.active_material.BIMMaterialProperties.location = self.filepath
+        # context.active_object.active_material.BIMMaterialProperties.location = self.filepath
         # coll_name = "MyCollection"
 
         with bpy.data.libraries.load(self.filepath, link=True) as (data_from, data_to):
@@ -534,13 +535,13 @@ class SnapSpacesTogether(bpy.types.Operator):
     def execute(self, context):
         threshold = 0.5
         processed_polygons = set()
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if obj.type != "MESH":
                 continue
             for polygon in obj.data.polygons:
                 center = obj.matrix_world @ polygon.center
                 distance = None
-                for obj2 in bpy.context.selected_objects:
+                for obj2 in context.selected_objects:
                     if obj2 == obj or obj.type != "MESH":
                         continue
                     result = obj2.ray_cast(obj2.matrix_world.inverted() @ center, polygon.normal, distance=threshold)
@@ -576,7 +577,7 @@ class SelectExternalMaterialDir(bpy.types.Operator):
 
     def execute(self, context):
         # TODO: this is dead code, awaiting reimplementation. See #1222.
-        bpy.context.active_object.active_material.BIMMaterialProperties.location = self.filepath
+        context.active_object.active_material.BIMMaterialProperties.location = self.filepath
         return {"FINISHED"}
 
     def invoke(self, context, event):
@@ -590,28 +591,28 @@ class FetchExternalMaterial(bpy.types.Operator):
 
     def execute(self, context):
         # TODO: this is dead code, awaiting reimplementation. See #1222.
-        location = bpy.context.active_object.active_material.BIMMaterialProperties.location
+        location = context.active_object.active_material.BIMMaterialProperties.location
         if location[-6:] != ".mpass":
             return {"FINISHED"}
         if not os.path.isabs(location):
-            location = os.path.join(bpy.context.scene.BIMProperties.data_dir, location)
+            location = os.path.join(context.scene.BIMProperties.data_dir, location)
         with open(location) as f:
             self.material_pass = json.load(f)
-        if bpy.context.scene.render.engine == "BLENDER_EEVEE" and "eevee" in self.material_pass:
+        if context.scene.render.engine == "BLENDER_EEVEE" and "eevee" in self.material_pass:
-            self.fetch_eevee_or_cycles("eevee")
+            self.fetch_eevee_or_cycles("eevee", context)
-        elif bpy.context.scene.render.engine == "CYCLES" and "cycles" in self.material_pass:
+        elif context.scene.render.engine == "CYCLES" and "cycles" in self.material_pass:
-            self.fetch_eevee_or_cycles("cycles")
+            self.fetch_eevee_or_cycles("cycles", context)
         return {"FINISHED"}
 
-    def fetch_eevee_or_cycles(self, name):
+    def fetch_eevee_or_cycles(self, name, context):
-        identification = bpy.context.active_object.active_material.BIMMaterialProperties.identification
+        identification = context.active_object.active_material.BIMMaterialProperties.identification
         uri = self.material_pass[name]["uri"]
         if not os.path.isabs(uri):
-            uri = os.path.join(bpy.context.scene.BIMProperties.data_dir, uri)
+            uri = os.path.join(context.scene.BIMProperties.data_dir, uri)
         bpy.ops.wm.link(filename=identification, directory=os.path.join(uri, "Material"))
         for material in bpy.data.materials:
             if material.name == identification and material.library:
-                bpy.context.active_object.material_slots[0].material = material
+                context.active_object.material_slots[0].material = material
                 return
 
 
@@ -621,15 +622,15 @@ class FetchObjectPassport(bpy.types.Operator):
 
     def execute(self, context):
         # TODO: this is dead code, awaiting reimplementation. See #1222.
-        for reference in bpy.context.active_object.BIMObjectProperties.document_references:
+        for reference in context.active_object.BIMObjectProperties.document_references:
-            reference = bpy.context.scene.BIMProperties.document_references[reference.name]
+            reference = context.scene.BIMProperties.document_references[reference.name]
             if reference.location[-6:] == ".blend":
-                self.fetch_blender(reference)
+                self.fetch_blender(reference, context)
         return {"FINISHED"}
 
-    def fetch_blender(self, reference):
+    def fetch_blender(self, reference, context):
         bpy.ops.wm.link(filename=reference.name, directory=os.path.join(reference.location, "Mesh"))
-        bpy.context.active_object.data = bpy.data.meshes[reference.name]
+        context.active_object.data = bpy.data.meshes[reference.name]
 
 
 class CopyPropertyToSelection(bpy.types.Operator):
@@ -641,7 +642,7 @@ class CopyPropertyToSelection(bpy.types.Operator):
 
     def execute(self, context):
         # TODO: this is dead code, awaiting reimplementation. See #1222.
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if "/" not in obj.name:
                 continue
             pset = obj.BIMObjectProperties.psets.get(self.pset_name)
@@ -671,9 +672,9 @@ class CopyAttributeToSelection(bpy.types.Operator):
 
     def execute(self, context):
         # TODO: this is dead code, awaiting reimplementation. See #1222.
-        self.schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(bpy.context.scene.BIMProperties.export_schema)
+        self.schema = ifcopenshell.ifcopenshell_wrapper.schema_by_name(context.scene.BIMProperties.export_schema)
         self.applicable_attributes_cache = {}
-        for obj in bpy.context.selected_objects:
+        for obj in context.selected_objects:
             if "/" not in obj.name:
                 continue
             attribute = obj.BIMObjectProperties.attributes.get(self.attribute_name)

src/blenderbim/blenderbim/bim/ui.py

@@ -15,7 +15,7 @@ class BIM_PT_section_plane(Panel):
     def draw(self, context):
         layout = self.layout
         layout.use_property_split = True
-        props = bpy.context.scene.BIMProperties
+        props = context.scene.BIMProperties
 
         row = layout.row()
         row.prop(props, "should_section_selected_objects")
@@ -91,7 +91,7 @@ class BIM_ADDON_preferences(bpy.types.AddonPreferences):
 
 def ifc_units(self, context):
     scene = context.scene
-    props = context.scene.BIMProperties
+    props = scene.BIMProperties
     layout = self.layout
     layout.use_property_decorate = False
     layout.use_property_split = True
@@ -100,7 +100,7 @@ def ifc_units(self, context):
     row = layout.row()
     row.prop(props, "volume_unit")
     row = layout.row()
-    if bpy.context.scene.unit_settings.system == "IMPERIAL":
+    if scene.unit_settings.system == "IMPERIAL":
         row.prop(props, "imperial_precision")
     else:
         row.prop(props, "metric_precision")