Redis 實現廣播訂閱

RedisHelper

import redis


class RedisHelper:
    def __init__(self):
        self.__conn = redis.Redis(host='47.94.18.xxx')
        self.chan_sub = '104.5'  # 接收頻道
        self.chan_pub = '104.5'  # 發送頻道

    def public(self, msg):
        self.__conn.publish(self.chan_pub, msg)
        return True

    def subscribe(self):
        pub = self.__conn.pubsub()
        pub.subscribe(self.chan_sub)
        pub.parse_response()
        return pub

訂閱者:

from redis_test.rds_helper import RedisHelper

obj = RedisHelper()
redis_sub = obj.subscribe()

while True:
    msg = redis_sub.parse_response()
    print(msg)

發布者:

from redis_test.rds_helper import RedisHelper

obj = RedisHelper()
obj.public('hello')