Ticket #5559: post_delete_pk.diff

django/db/models/query.py

@@ -1180 +1180 @@
                 if field.rel and field.null and field.rel.to in seen_objs:
                     setattr(instance, field.attname, None)
 
+            dispatcher.send(signal=signals.post_delete, sender=cls, instance=instance)
             setattr(instance, cls._meta.pk.attname, None)
-            dispatcher.send(signal=signals.post_delete, sender=cls, instance=instance)
 
     transaction.commit_unless_managed()

tests/modeltests/signals/models.py

@@ -54 +54 @@
 pre_delete signal, Tom Smith
 instance.id is not None: True
 post_delete signal, Tom Smith
-instance.id is None: True
+instance.id is None: False
 
 >>> p2 = Person(first_name='James', last_name='Jones')
 >>> p2.id = 99999
@@ -73 +73 @@
 pre_delete signal, James Jones
 instance.id is not None: True
 post_delete signal, James Jones
-instance.id is None: True
+instance.id is None: False
 
 >>> Person.objects.all()
 [<Person: James Jones>]