feat: support object_storage in IS_CHANGED

execution.py

@@ -213,7 +213,7 @@ def recursive_will_execute(prompt, outputs, current_item):
 
     return will_execute + [unique_id]
 
-def recursive_output_delete_if_changed(prompt, old_prompt, outputs, current_item):
+def recursive_output_delete_if_changed(prompt, old_prompt, outputs, current_item, object_storage):
     unique_id = current_item
     inputs = prompt[unique_id]['inputs']
     class_type = prompt[unique_id]['class_type']
@@ -222,6 +222,12 @@ def recursive_output_delete_if_changed(prompt, old_prompt, outputs, current_item
     is_changed_old = ''
     is_changed = ''
     to_delete = False
+
+    obj = object_storage.get((unique_id, class_type), None)
+    if obj is None:
+        obj = class_def()
+        object_storage[(unique_id, class_type)] = obj
+
     if hasattr(class_def, 'IS_CHANGED'):
         if unique_id in old_prompt and 'is_changed' in old_prompt[unique_id]:
             is_changed_old = old_prompt[unique_id]['is_changed']
@@ -230,7 +236,7 @@ def recursive_output_delete_if_changed(prompt, old_prompt, outputs, current_item
             if input_data_all is not None:
                 try:
                     #is_changed = class_def.IS_CHANGED(**input_data_all)
-                    is_changed = map_node_over_list(class_def, input_data_all, "IS_CHANGED")
+                    is_changed = map_node_over_list(obj, input_data_all, "IS_CHANGED")
                     prompt[unique_id]['is_changed'] = is_changed
                 except:
                     to_delete = True
@@ -253,7 +259,7 @@ def recursive_output_delete_if_changed(prompt, old_prompt, outputs, current_item
                     input_unique_id = input_data[0]
                     output_index = input_data[1]
                     if input_unique_id in outputs:
-                        to_delete = recursive_output_delete_if_changed(prompt, old_prompt, outputs, input_unique_id)
+                        to_delete = recursive_output_delete_if_changed(prompt, old_prompt, outputs, input_unique_id, object_storage)
                     else:
                         to_delete = True
                     if to_delete:
@@ -352,7 +358,7 @@ def execute(self, prompt, prompt_id, extra_data={}, execute_outputs=[]):
                 del d
 
             for x in prompt:
-                recursive_output_delete_if_changed(prompt, self.old_prompt, self.outputs, x)
+                recursive_output_delete_if_changed(prompt, self.old_prompt, self.outputs, x, self.object_storage)
 
             current_outputs = set(self.outputs.keys())
             for x in list(self.outputs_ui.keys()):