Python脚本防止重复执行
作者:互联网
# coding: utf-8 import os import sys import time import fcntl class Lock: def __init__(self, filename): self.filename = filename # This will create it if does not exist already self.handle = open(filename, 'w') # Bitwise Or fcntl.LOCK_NB if you need a non-blocking lock def acquire(self): fcntl.flock(self.handle, fcntl.LOCK_EX | fcntl.LOCK_EX_NB) def __del__(self): self.handle.close() lock = Lock(os.path.join('/','tmp',os.path.basename(sys.argv[0]) + '_tmp')) try: lock.acquire() except: print "%s [ERROR] There is already another process running!" sys.exit(1)
标签:脚本,fcntl,Python,lock,self,filename,重复,__,import 来源: https://www.cnblogs.com/small-wei/p/12487529.html