python3操作redis消息队列

import json
import redis
import chardet
import datetime
import sys
import json
import multiprocessing
import time
import redis
###
from datetime import date

#以下代码是向redis 发命令
QUEUE = "code"
#redisPool = redis.ConnectionPool(host=config.get_redis_host(), port=6379, db=config.get_redis_db())
redisPool = redis.ConnectionPool(host='localhost', port=6379, db=8)
client = redis.Redis(connection_pool=redisPool)

def send_cmd(seaweed):
    json_cmd = json.dumps(seaweed, ensure_ascii=False)
    client.rpush(QUEUE, json_cmd)

ll=list(range(100))
#get_weekend('20180325')})
if __name__ == "__main__":
    for k in ll:

        send_cmd({"label":k,'timd':20160503,'timm':20170430})

#以下代码是向redis 取命令，并且采用多进程来实现计算
def func(a,b,c):
    print(a,b)

def worker(pname):
    client = redis.Redis(connection_pool=redisPool)
    #client_ = redis.ConnectionPool(host='localhost', port=6379, db=8)

    while True:

        
        # print(client)
        # print(cmd)
        try:
            cmd = client.lpop(QUEUE)
            encode1 = chardet.detect(cmd)["encoding"]
            cmd = cmd.decode(encode1)
        except:
            cmd = None
        if cmd is None:
            return

        else:
            
            cmd = format_cmd(cmd)
            try:
                func( cmd["label"],cmd['timd'],cmd['timm'])
                #price_fix.update(cmd["city"], cmd["region"], cmd["name"])
                # print(pname + ":", cmd, "计算成功")
            except Exception as ex:
                print(ex)
                print(pname + ":", cmd, "计算失败")
    print("end")

def format_cmd(cmd):
    return json.loads(cmd)

if __name__ == "__main__":

    pro_num = 5
    pool = multiprocessing.Pool(processes=pro_num)
    for pid in range(1, pro_num):
        pid = "PROC" + str(pid).zfill(3)
        pool.apply_async(worker, (pid,))
    pool.close()
    pool.join()