Ticket #5505: db-models-fields-init.patch

django/db/models/fields/__init__.py

@@ +1 @@
+import copy
 import datetime
 import os
 import time
@@ -398 +399 @@
         "Returns the value of this field in the given model instance."
         return getattr(obj, self.attname)
 
+    def __deepcopy__(self,memo):
+        result = copy.copy(self)
+        memo[id(self)] = result
+        return result
+
 class AutoField(Field):
     empty_strings_allowed = False
     def __init__(self, *args, **kwargs):