python-redis-订阅和发布

发布：redishelper.py

import redis

class RedisHelper:

    def __init__(self):
        self.__conn = redis.Redis(host='192.168.71.140')
        self.chan_sub = 'fm104.5'
        self.chan_pub = 'fm104.5'

    def public(self, msg):
        self.__conn.publish(self.chan_pub,msg)#开始发布消息

        return True

    def subscribe(self):
        pub = self.__conn.pubsub()#开始订阅
        pub.subscribe(self.chan_sub)#订阅频道
        pub.parse_response()#准备接收
        return  pub

 

订阅：redis_pub.py

from redishelper import RedisHelper

obi = RedisHelper()#实例化

redis_sub = obi.subscribe()


while True:
    msg =redis_sub.parse_response()
    print(msg)#收到就打印收不到就卡住