这篇文章给大家分享的是有关如何实现Python启动、停止脚本的内容。小编觉得挺实用的，因此分享给大家做个参考，一起跟随小编过来看看吧。
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#!/usr/bin/python
# -*- coding: UTF-8 -*-
import platform,os
import time
import subprocess
import sys
import ctypes
def 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 None
def 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
''' 开始检查 '''
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]感谢各位的阅读！关于“如何实现Python启动、停止脚本”这篇文章就分享到这里了，希望以上内容可以对大家有一定的帮助，让大家可以学到更多知识，如果觉得文章不错，可以把它分享出去让更多的人看到吧！
