redis 安装完成后，以下代码可以直接运行
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
Created on Wed Sep 5 16:08:51 2018
@author: luogan
"""
import json
import redis
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)
while True:
try:
cmd = client.lpop(QUEUE)
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")
def format_cmd(cmd):
return json.loads(cmd)
if __name__ == "__main__":
pro_num = 20
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()
