def start(app): app.redis = client.Redis() app.SessionHandler = SessionHandler server = HTTPServer(app, xheaders=True) server.listen(options.port) server.redis = client.Redis() server.SessionHandler = SessionHandler install_tornado_shutdown_handler(IOLoop.instance(), server) logging.info("start service at port = " + str(options.port) + "\n") IOLoop.instance().start() logging.info('Done. Bye.')