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add locking around reddit creation

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This commit is contained in:
spez
2009-03-03 11:54:47 -08:00
parent 6ec183752a
commit e98326f916
1 changed files with 19 additions and 17 deletions
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36
r2/r2/models/subreddit.py
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@@ -19,6 +19,8 @@
# All portions of the code written by CondeNet are Copyright (c) 2006-2009
# CondeNet, Inc. All Rights Reserved.
################################################################################
from __future__ import with_statement
from pylons import c, g
from pylons.i18n import _
@@ -58,23 +60,23 @@ class Subreddit(Thing, Printable):
@classmethod
def _new(self, name, title, author_id, ip, lang = 'en', type = 'public',
over_18 = False, **kw):
try:
sr = Subreddit._by_name(name)
raise SubredditExists
except NotFound:
sr = Subreddit(name = name,
title = title,
lang = lang,
type = type,
over_18 = over_18,
author_id = author_id,
ip = ip,
**kw)
sr._commit()
clear_memo('subreddit._by_name', Subreddit, name.lower())
clear_memo('subreddit.subreddits', Subreddit)
return sr
with g.make_lock('create_sr_' + name.lower()):
try:
sr = Subreddit._by_name(name)
raise SubredditExists
except NotFound:
sr = Subreddit(name = name,
title = title,
lang = lang,
type = type,
over_18 = over_18,
author_id = author_id,
ip = ip,
**kw)
sr._commit()
clear_memo('subreddit._by_name', Subreddit, name.lower())
clear_memo('subreddit.subreddits', Subreddit)
return sr
@classmethod
@memoize('subreddit._by_name')