def _exists(ret):
if not ret:
return defer.fail(FeedDoesNotExist())
dl = []
for k, v in config.items():
dl.append(self.redis.hset('feed.config:%s' % feed_name, k, v))
return defer.DeferredList(dl)
def _publish(ret):
"""
Called when redis.sadd returns.
"""
if ret == 1:
d = self._publish_channel("newfeed", feed_name)
d.addCallback(_set_config)
return d
else:
return defer.fail(FeedExists())
def _exec_check(bulk_result):
# All defers must be succeed
assert all([a[0] for a in bulk_result])
# assert number of commands
assert len(bulk_result) >= 3
multi_result = bulk_result[-1][1]
if multi_result:
# transaction done :D
# assert number commands in transaction
assert len(multi_result) >= 2
# check if feed_name existed when was deleted
exists = multi_result[0]
if not exists:
return defer.fail(FeedDoesNotExist())
return True
# transaction fail :-(
# repeat it
return self.delete_feed(feed_name)
def _exists(ret):
if not ret:
return defer.fail(FeedDoesNotExist())
return self.redis.hgetall('feed.config:%s' % feed_name)