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Preventing problems possibly introduced by r14662 

acquire a lock before entering a try block that ends with the lock's
release. Thanks for the catch Alex.

git-svn-id: http://code.djangoproject.com/svn/django/trunk@14668 bcc190cf-cafb-0310-a4f2-bffc1f526a37
This commit is contained in:
Honza Král 2010-11-21 17:34:21 +00:00
parent 65b380e74a
commit aee9db9b3e
1 changed files with 3 additions and 3 deletions
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6
django/dispatch/dispatcher.py
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@ -99,8 +99,8 @@ class Signal(object):
if weak: if weak:
receiver = saferef.safeRef(receiver, onDelete=self._remove_receiver) receiver = saferef.safeRef(receiver, onDelete=self._remove_receiver)
self.lock.acquire()
try: try:
self.lock.acquire()
for r_key, _ in self.receivers: for r_key, _ in self.receivers:
if r_key == lookup_key: if r_key == lookup_key:
break break
@ -136,8 +136,8 @@ class Signal(object):
else: else:
lookup_key = (_make_id(receiver), _make_id(sender)) lookup_key = (_make_id(receiver), _make_id(sender))
self.lock.acquire()
try: try:
self.lock.acquire()
for index in xrange(len(self.receivers)): for index in xrange(len(self.receivers)):
(r_key, _) = self.receivers[index] (r_key, _) = self.receivers[index]
if r_key == lookup_key: if r_key == lookup_key:
@ -237,8 +237,8 @@ class Signal(object):
Remove dead receivers from connections. Remove dead receivers from connections.
""" """
self.lock.acquire()
try: try:
self.lock.acquire()
to_remove = [] to_remove = []
for key, connected_receiver in self.receivers: for key, connected_receiver in self.receivers:
if connected_receiver == receiver: if connected_receiver == receiver: