redis订阅者与发布者

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#一、创建redis类  文件名 RedisHelper

import redis

# conn=redis.Redis(host='127.0.0.1')
# import redis


class RedisHelper:
    def __init__(self):
        # self.__conn = redis.Redis(host='47.94.18.xxx')
 self.__conn = redis.Redis(host='127.0.0.1')
        self.chan_sub = '104.5'  # 接收频道
 self.chan_pub = '104.5'  # 发送频道
 #发布者
 def public(self, msg):
        self.__conn.publish(self.chan_pub, msg)
        return True

 #订阅者
 def subscribe(self):
        pub = self.__conn.pubsub()#将频道调到所需的频道
 pub.subscribe(self.chan_sub)  #开始监听
 pub.parse_response()  #测试是否开始监听
 return pub
#二、Public
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from RedisHelper import RedisHelper
obj = RedisHelper()
obj.public('Hello I am public')

#三、subscribe
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from RedisHelper import RedisHelper
obj = RedisHelper()

redis_sub = obj.subscribe()

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