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This article is about how to implement Python start and stop scripts. The editor thinks it is very practical, so share it with you as a reference and follow the editor to have a look.

#! / usr/bin/python#-*-coding: UTF-8-*-import platform,osimport timeimport subprocessimport sysimport ctypesdef get_sysinfo (): sys = platform.system () return os.getpid (), sys def get_path (): p=os.path.split (os.path.realpath (_ _ file__)) # ('D:\\ workspace\\ python\\ src\\ mysql' 'dao.py') p=os.path.split (p [0]) if not p: os.mkdir (p) return p [0] def get_pid_path (): return get_path () +' / tmp/yqs.pid'def check_pid (pid = 0 Osname=''): if pid is None or pid = = 0: return False wincmd = 'tasklist / FI "PID eq% s" / FI "IMAGENAME eq python.exe'% str (pid) lincmd ='ps ax | grep% s | grep python'% str (pid) cmd,size = (wincmd,150) if osname=='Windows' else (lincmd,20) returnstr=subprocess.Popen (cmd,stdout=subprocess.PIPE,stderr=subprocess.PIPE) Shell=True) data = returnstr.stdout.read () return len (data) > size def read_pid (): if os.path.exists (get_pid_path ()): try: with open (get_pid_path ()) 'r') as f: strpid = f.readline () .strip () return int (strpid) except Exception: return None return Nonedef rm_pid (): if os.path.exists (get_pid_path ()): os.remove (get_pid_path ()) def kill (pid): "" kill function for Win32 "" Kernel32 = ctypes.windll.kernel32 handle = kernel32.OpenProcess (1 0, pid) return (0! = kernel32.TerminateProcess (handle, 0)) def check_run (): pid,osname = get_sysinfo () if not os.path.exists (get_pid_path ()): with open (get_pid_path (),'w') as f: f.write (str (pid)) return False 'start check''rs = check_pid (read_pid () Osname) if not rs: with open (get_pid_path (),'w') as f: f.write (str (pid)) return rs class Control: def start (self): if check_run (): print 'pro has run' else: print' pro start...' Time.sleep (1000) def stop (self): filePid = read_pid () if filePid is not None and filePid > 0: print 'pro has kill% s'% filePid kill (filePid) rm_pid () else: print 'Process has closed' def check (self): filePid = read_pid ( ) if not filePid or not check_run (): message = "Process has closed\ n" sys.stderr.write (message) else: message = "The process has been run The process id:%d\ n "sys.stderr.write (message% filePid) def helpInfo (self): print" usage: start | stop | check | help "if _ _ name__ = =" _ _ main__ ": contr=Control () if len (sys.argv) = = 2: param = sys.argv [1] if 'start' = param: Contr.start () elif 'stop' = = param: contr.stop () elif' check' = = param: contr.check () elif 'help' = = param: contr.helpInfo () else: print r "not yes cmd" sys.exit (2) else: print "usage: % s start | stop | check | help "% sys.argv [0] Thank you for reading! This is the end of the article on "how to start and stop Python script". I hope the above content can be of some help to you, so that you can learn more knowledge. if you think the article is good, you can share it out for more people to see!

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