def ensure_stream(self, path):
""" Opens stream connection if not already existing.
"""
if path in self.STREAMS:
return
# create stream instance
stream = TweetStream(self.auth_configuration, ioloop=self.ioloop)
# prepare callback function (usage of closures)
def tweet_callback(message):
""" Publish message """
for client_connection in self.CLIENTS[path]:
client_connection.write_message(message)
# open stream
stream.fetch(path, callback=tweet_callback)
# save stream
self.STREAMS[path] = stream
def main():
stream = TweetStream(clean=True)
stream.fetch(SETTINGS["twitter_url"], callback=tweet_callback)
IOLoop.instance().start()
