config.py 文件源码

def redis(self):
        """
        Lazy-loaded redis connection
        """
        from redis import StrictRedis
        import redis.exceptions

        try:
            url = os.environ.get('REDIS_CONNECTION_URL',
                                 'redis://localhost:6379/0')
            conn = StrictRedis.from_url(url)
            conn.ping()
        except redis.exceptions.ConnectionError:
            logging.fatal("Redis server is not running")
            raise
        return conn