Fixed #14017 -- wrong comment on log_deletion method of ModelAdmin

Also added a transaction around the deletion view to preserve DB state (and rollback the creation of LogEntry object in case the deletion fails)

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14197 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/contrib/admin/options.py

@@ -453,9 +453,8 @@ def log_change(self, request, object, message):
 
     def log_deletion(self, request, object, object_repr):
         """
-        Log that an object has been successfully deleted. Note that since the
-        object is deleted, it might no longer be safe to call *any* methods
-        on the object, hence this method getting object_repr.
+        Log that an object will be deleted. Note that this method is called
+        before the deletion.
 
         The default implementation creates an admin LogEntry object.
         """
@@ -1097,6 +1096,7 @@ def changelist_view(self, request, extra_context=None):
         ], context, context_instance=context_instance)
 
     @csrf_protect_m
+    @transaction.commit_on_success
     def delete_view(self, request, object_id, extra_context=None):
         "The 'delete' admin view for this model."
         opts = self.model._meta