From 9cf725d4d9c5fad2cdcb12e3215316ada022eef9 Mon Sep 17 00:00:00 2001
From: iLLiCiTiT <jakub.trllo@gmail.com>
Date: Tue, 13 Jul 2021 12:51:59 +0200
Subject: [PATCH] added static method calculate changes

---
 openpype/pipeline/creator_plugins.py | 10 +++++++---
 1 file changed, 7 insertions(+), 3 deletions(-)

diff --git a/openpype/pipeline/creator_plugins.py b/openpype/pipeline/creator_plugins.py
index 34cf1e845f..ce1a0a3946 100644
--- a/openpype/pipeline/creator_plugins.py
+++ b/openpype/pipeline/creator_plugins.py
@@ -96,14 +96,18 @@ class FamilyAttributeValues:
     def attr_defs(self):
         return self._attr_defs
 
-    def changes(self):
+    @staticmethod
+    def calculate_changes(new_data, old_data):
         changes = {}
-        for key, new_value in self._data.items():
-            old_value = self._last_data.get(key)
+        for key, new_value in new_data.items():
+            old_value = old_data.get(key)
             if old_value != new_value:
                 changes[key] = (old_value, new_value)
         return changes
 
+    def changes(self):
+        return self.calculate_changes(self._data, self._last_data)
+
     def _propagate_changes(self, changes=None):
         if self._chunk_value > 0:
             return