杀死后台程序

# -*- coding: utf-8 -*-
"""
Created on Fri Apr 10 21:16:57 2020

@author: Administrator
"""

#执行代码测试
#控制程序自动执行
import os
import datetime
import time
import psutil
def check():
    key=False
    pids = psutil.pids()
    for pid in pids:
        p = psutil.Process(pid)
        if p.name() == '爬取DJ中文歌曲.exe':
            print("程序还在：")
            return True
        else:
            pass
    return key   
def run():
    kill()
    os.chdir(r"e://dist/")
    path = "爬取DJ中文歌曲.exe"
    print("运行爬取DJ中文歌曲.exe进程")
    os.system(path)

def kill():
    pids = psutil.pids()
    for pid in pids:
        p = psutil.Process(pid)
        if p.name() == '爬取DJ中文歌曲.exe':
            print("杀死爬取DJ中文歌曲.exe进程")
            cmd = 'taskkill /F /IM 爬取DJ中文歌曲.exe'
            os.system(cmd)

def main(h1=5,h2=12):
    run()
    while True:
#        判断后台是否还有程序
        if check():
            pass
        else:
            run()

if __name__ == '__main__':
    main()