2026-01-01

extensions/rainys_extensions/atomic_data_manager/utils/compat.py

@@ -1,23 +1,4 @@
 """
-Copyright (C) 2019 Remington Creative
-
-This file is part of Atomic Data Manager.
-
-Atomic Data Manager is free software: you can redistribute
-it and/or modify it under the terms of the GNU General Public License
-as published by the Free Software Foundation, either version 3 of the
-License, or (at your option) any later version.
-
-Atomic Data Manager is distributed in the hope that it will
-be useful, but WITHOUT ANY WARRANTY; without even the implied warranty
-of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
-General Public License for more details.
-
-You should have received a copy of the GNU General Public License along
-with Atomic Data Manager.  If not, see <https://www.gnu.org/licenses/>.
-
----
-
 This module provides API compatibility functions for handling differences
 between Blender 4.2 LTS, 4.5 LTS, and 5.0.
 
@@ -152,3 +133,25 @@ def get_scene_compositor_node_tree(scene):
         if hasattr(scene, 'node_tree') and scene.node_tree:
             return scene.node_tree
     return None
+
+
+def is_library_or_override(datablock):
+    """
+    Check if a datablock is library-linked or an override.
+    Atomic should completely ignore all datablocks within libraries.
+    
+    Args:
+        datablock: The datablock to check
+    
+    Returns:
+        bool: True if the datablock is library-linked or an override, False otherwise
+    """
+    # Check if datablock is linked from a library
+    if hasattr(datablock, 'library') and datablock.library:
+        return True
+    
+    # Check if datablock is an override (Blender 3.0+)
+    if hasattr(datablock, 'override_library') and datablock.override_library:
+        return True
+    
+    return False