create context has callbacks for reset preparation and finalization

openpype/pipeline/create/context.py

@@ -860,6 +860,9 @@ class CreateContext:
 
         All changes will be lost if were not saved explicitely.
         """
+
+        self.reset_preparation()
+
         self.reset_avalon_context()
         self.reset_plugins(discover_publish_plugins)
         self.reset_context_data()
@@ -868,6 +871,18 @@ class CreateContext:
             self.reset_instances()
             self.execute_autocreators()
 
+        self.reset_finalization()
+
+    def reset_preparation(self):
+        """Prepare attributes that must be prepared/cleaned before reset."""
+
+        pass
+
+    def reset_finalization(self):
+        """Cleanup of attributes after reset."""
+
+        pass
+
     def reset_avalon_context(self):
         """Give ability to reset avalon context.
 

openpype/tools/publisher/control.py

@@ -552,6 +552,8 @@ class PublisherController:
 
         self.save_changes()
 
+        self.create_context.reset_preparation()
+
         # Reset avalon context
         self.create_context.reset_avalon_context()
 
@@ -560,6 +562,8 @@ class PublisherController:
         self._reset_publish()
         self._reset_instances()
 
+        self.create_context.reset_finalization()
+
         self.emit_card_message("Refreshed..")
 
     def _reset_plugins(self):