def subscribe_to_channel(self, channel):
if channel in self.subscriptions:
return self.subscriptions[channel]
else:
subject = Subject()
# monkeypatch Subject to unsubscribe pubsub on observable
# subscription.dispose()
subject.observers = SubjectObserversWrapper(self, channel)
self.subscriptions[channel] = subject
return subject
def subscribe_to_channel(self, channel):
if channel in self.subscriptions:
return self.subscriptions[channel]
else:
self.pubsub.subscribe(channel)
subject = Subject()
# monkeypatch Subject to unsubscribe pubsub on observable
# subscription.dispose()
subject.observers = SubjectObserversWrapper(self, channel)
self.subscriptions[channel] = subject
if not self.greenlet:
self.greenlet = gevent.spawn(self._wait_and_get_messages)
return subject