scripts-blender/addons/asset_pipeline_2/merge/transfer_data/transfer_functions.py

@@ -13,6 +13,7 @@ from ... import constants
 import mathutils
 import bmesh
 import numpy as np
+import time
 
 
 ## FUNCTIONS SPECFIC TO TRANSFER DATA TYPES
@@ -59,12 +60,13 @@ def transfer_vertex_group(
         return
 
     source_obj.vertex_groups.active = source_obj.vertex_groups.get(vertex_group_name)
-    context = bpy.context
-    override = context.copy()
-    override["selected_editable_objects"] = [target_obj, source_obj]
-    override["active_object"] = source_obj
-    override["object"] = source_obj
-    with context.temp_override(**override):
+    # HACK without this sleep function Push will crash when transferring large amount of vertex groups
+    time.sleep(0.00000000000001)
+
+    # DEBUG WHY THIS FAILS TO TRANSFER VERTEX GROUPS IN 4.0
+    with context.temp_override(
+        object=source_obj, selected_editable_objects=[target_obj, source_obj]
+    ):
         bpy.ops.object.data_transfer(
             data_type="VGROUP_WEIGHTS",
             use_create=True,