bim.convert_to_blender to avoid types without mesh properties

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

@@ -92,8 +92,9 @@ class ConvertToBlender(bpy.types.Operator):
         for obj in bpy.data.objects:
             if obj.type in {"MESH", "EMPTY"}:
                 tool.Ifc.unlink(obj=obj)
-                if obj.data:
-                    obj.data.BIMMeshProperties.ifc_definition_id = 0
+                data = obj.data
+                if tool.Geometry.has_mesh_properties(data):
+                    data.BIMMeshProperties.ifc_definition_id = 0
         for material in bpy.data.materials:
             tool.Ifc.unlink(obj=material)
         context.scene.BIMProperties.ifc_file = ""

src/bonsai/bonsai/tool/geometry.py

@@ -661,6 +661,25 @@ class Geometry(bonsai.core.tool.Geometry):
             return False
         return isinstance(data, supported_types)
 
+    @classmethod
+    def has_mesh_properties(cls, data: Union[bpy.types.ID, None]) -> TypeIs[
+        Union[
+            bpy.types.Mesh,
+            bpy.types.Curve,
+            bpy.types.Camera,
+            bpy.types.PointLight,
+        ]
+    ]:
+        supported_types = (
+            bpy.types.Mesh,
+            bpy.types.Curve,
+            bpy.types.Camera,
+            bpy.types.PointLight,
+        )
+        if not data:
+            return False
+        return isinstance(data, supported_types)
+
     @classmethod
     def is_edited(cls, obj: bpy.types.Object) -> bool:
         return not all([tool.Cad.is_x(o, 1.0) for o in obj.scale]) or obj in IfcStore.edited_objs