Ticket #10753: dj.patch

django/dispatch/dispatcher.py

@@ -120 +120 @@
         else:
             lookup_key = (_make_id(receiver), _make_id(sender))
         
-        for index in xrange(len(self.receivers)):
-            (r_key, _) = self.receivers[index]
-            if r_key == lookup_key:
-                del self.receivers[index]
+        self.receivers = filter(lambda value: value[0] != lookup_key, self.receivers)
 
     def send(self, sender, **named):
         """Send signal from sender to all connected receivers.
@@ -205 +202 @@
     def _remove_receiver(self, receiver):
         """Remove dead receivers from connections."""
 
-        to_remove = []
-        for key, connected_receiver in self.receivers:
-            if connected_receiver == receiver:
-                to_remove.append(key)
-        for key in to_remove:
-            for idx, (r_key, _) in enumerate(self.receivers):
-                if r_key == key:
-                    del self.receivers[idx]
+        self.receivers = filter(lambda value: value[1] != receiver, self.receivers)