feat(auto_export):

* added tests for orphan data
 * changed handling of animation data slightly
 * trying to figure out source of various issues

tools/gltf_auto_export/helpers/helpers_scenes.py

@@ -27,13 +27,27 @@ def remove_unwanted_custom_properties(object):
 
 def duplicate_object(object):
     obj_copy = object.copy()
-    if object.data:
+    # FIXME: orphan data comes from this one
+    """if object.data:
         data = object.data.copy()
-        obj_copy.data = data
+        obj_copy.data = data"""
     if object.animation_data and object.animation_data.action:
+        if obj_copy.animation_data == None:
+            obj_copy.animation_data_create()
         obj_copy.animation_data.action = object.animation_data.action.copy()
     return obj_copy
 
+# TODO: rename actions
+def copy_animation_data(source, target):
+    if source.data:
+        data = source.data.copy()
+        target.data = data
+    if source.animation_data and source.animation_data.action:
+        print("copying animation data for", source.name, target.animation_data)
+        if target.animation_data == None:
+            target.animation_data_create()
+        target.animation_data.action = source.animation_data.action.copy()
+
 #also removes unwanted custom_properties for all objects in hiearchy
 def duplicate_object_recursive(object, parent, collection):
     original_name = object.name
@@ -92,11 +106,9 @@ def copy_hollowed_collection_into(source_collection, destination_collection, par
             if parent_empty is not None:
                 empty_obj.parent = parent_empty
         else:         
-           
             # we create a copy of our object and its children, to leave the original one as it is
             if object.parent == None:
                 copy = duplicate_object_recursive(object, None, destination_collection)
-
                 if parent_empty is not None:
                     copy.parent = parent_empty                
 
@@ -138,14 +150,14 @@ def clear_hollow_scene(temp_scene, original_root_collection):
     # reset original names
     restore_original_names(original_root_collection)
 
-    # remove empties (only needed when we go via ops ????)
+    # remove any data we created
     temp_root_collection = temp_scene.collection 
-    temp_scene_objects = [o for o in temp_root_collection.objects]
+    temp_scene_objects = [o for o in temp_root_collection.all_objects]
     for object in temp_scene_objects:
+        print("removing", object.name)
         bpy.data.objects.remove(object, do_unlink=True)
     # remove the temporary scene
-    bpy.data.scenes.remove(temp_scene)
-
+    bpy.data.scenes.remove(temp_scene, do_unlink=True)
 
 # convenience utility to get lists of scenes
 def get_scenes(addon_prefs):

tools/gltf_auto_export/tests/test_basic.py

@@ -19,7 +19,6 @@ def setup_data(request):
 
     def finalizer():
         print("\nPerforming teardown...")
-        get_orphan_data()
 
         if os.path.exists(models_path):
             shutil.rmtree(models_path)
@@ -38,7 +37,10 @@ def setup_data(request):
 
 def get_orphan_data():
     orphan_meshes = [m.name for m in bpy.data.meshes if m.users == 0]
-    # print("orphan meshes before", orphan_meshes)
+    orphan_objects = [m.name for m in bpy.data.objects if m.users == 0]
+
+    #print("orphan meshes before", orphan_meshes)
+    return orphan_meshes + orphan_objects
 
 def test_export_do_not_export_blueprints(setup_data):
     auto_export_operator = bpy.ops.export_scenes.auto_gltf
@@ -61,6 +63,9 @@ def test_export_do_not_export_blueprints(setup_data):
     )
     assert os.path.exists(os.path.join(setup_data["models_path"], "World.glb")) == True
     assert os.path.exists(os.path.join(setup_data["models_path"], "library", "Blueprint1.glb")) == False
+    orphan_data = get_orphan_data()
+    assert len(orphan_data) == 0
+
 
 def test_export_custom_blueprints_path(setup_data):
     auto_export_operator = bpy.ops.export_scenes.auto_gltf
@@ -83,6 +88,7 @@ def test_export_custom_blueprints_path(setup_data):
     )
     assert os.path.exists(os.path.join(setup_data["models_path"], "World.glb")) == True
     assert os.path.exists(os.path.join(setup_data["models_path"], "another_library_path", "Blueprint1.glb")) == True
+    assert len(get_orphan_data()) == 0
 
 def test_export_materials_library(setup_data):
     auto_export_operator = bpy.ops.export_scenes.auto_gltf
@@ -107,7 +113,7 @@ def test_export_materials_library(setup_data):
 
     assert os.path.exists(os.path.join(setup_data["models_path"], "library", "Blueprint1.glb")) == True
     assert os.path.exists(os.path.join(setup_data["materials_path"], "testing_materials_library.glb")) == True
-
+    assert len(get_orphan_data()) == 0
 
 def test_export_materials_library_custom_path(setup_data):
     auto_export_operator = bpy.ops.export_scenes.auto_gltf
@@ -134,6 +140,7 @@ def test_export_materials_library_custom_path(setup_data):
     assert os.path.exists(os.path.join(setup_data["models_path"], "library", "Blueprint1.glb")) == True
     assert os.path.exists(os.path.join(setup_data["materials_path"], "testing_materials_library.glb")) == False
     assert os.path.exists(os.path.join(setup_data["other_materials_path"], "testing_materials_library.glb")) == True
+    assert len(get_orphan_data()) == 0
 
 def test_export_collection_instances_combine_mode(setup_data): # TODO: change & check this
     auto_export_operator = bpy.ops.export_scenes.auto_gltf
@@ -160,6 +167,7 @@ def test_export_collection_instances_combine_mode(setup_data): # TODO: change &
 
     assert os.path.exists(os.path.join(setup_data["models_path"], "World.glb")) == True
     assert os.path.exists(os.path.join(setup_data["models_path"], "World_dynamic.glb")) == False
+    assert len(get_orphan_data()) == 0
 
 
 def test_export_do_not_export_marked_assets(setup_data):
@@ -188,6 +196,7 @@ def test_export_do_not_export_marked_assets(setup_data):
     assert os.path.exists(os.path.join(setup_data["models_path"], "library", "Blueprint3.glb")) == True
     assert os.path.exists(os.path.join(setup_data["models_path"], "library", "Blueprint4_nested.glb")) == True
     assert os.path.exists(os.path.join(setup_data["models_path"], "library", "Blueprint5.glb")) == False
+    assert len(get_orphan_data()) == 0
 
 
 def test_export_separate_dynamic_and_static_objects(setup_data):
@@ -216,6 +225,7 @@ def test_export_separate_dynamic_and_static_objects(setup_data):
 
     assert os.path.exists(os.path.join(setup_data["models_path"], "World.glb")) == True
     assert os.path.exists(os.path.join(setup_data["models_path"], "World_dynamic.glb")) == True
+    assert len(get_orphan_data()) == 0
 
 
 def test_export_should_not_generate_orphan_data(setup_data):
@@ -239,4 +249,5 @@ def test_export_should_not_generate_orphan_data(setup_data):
     )
     assert os.path.exists(os.path.join(setup_data["models_path"], "World.glb")) == True
     assert os.path.exists(os.path.join(setup_data["models_path"], "library", "Blueprint1.glb")) == False
+    assert len(get_orphan_data()) == 0