windows平台下如何用Python杀进程

#!/usr/bin/env python
#coding=utf-8

'''Python语言: windows平台下如何用Python杀进程'''
#from : http://www.joyloft.net/?p=1031 # "这段代码来自于一个很简单的场景：
# 在python中调一个程序。给这个程序设置一个timeout
# 假如一段时间程序还没有返回，就杀掉这个这个新开的进程。
# 本来以为我肯定不是第一个遇到这个问题的人，
# 但是网上搜了好久都没找到完整的办法，自己搞了一个。"

import ctypes
import sys

TH32CS_SNAPPROCESS = 0x00000002
class PROCESSENTRY32(ctypes.Structure):
_fields_ = [("dwSize", ctypes.c_ulong),
("cntUsage", ctypes.c_ulong),
("th32ProcessID", ctypes.c_ulong),
("th32DefaultHeapID", ctypes.c_ulong),
("th32ModuleID", ctypes.c_ulong),
("cntThreads", ctypes.c_ulong),
("th32ParentProcessID", ctypes.c_ulong),
("pcPriClassBase", ctypes.c_ulong),
("dwFlags", ctypes.c_ulong),
("szExeFile", ctypes.c_char * 260)]

def getProcList():
CreateToolhelp32Snapshot = ctypes.windll.kernel32.CreateToolhelp32Snapshot
Process32First = ctypes.windll.kernel32.Process32First
Process32Next = ctypes.windll.kernel32.Process32Next
CloseHandle = ctypes.windll.kernel32.CloseHandle
hProcessSnap = CreateToolhelp32Snapshot(TH32CS_SNAPPROCESS, 0)
pe32 = PROCESSENTRY32()
pe32.dwSize = ctypes.sizeof(PROCESSENTRY32)
if Process32First(hProcessSnap,ctypes.byref(pe32)) == False:
print >> sys.stderr, "Failed getting first process."
return
while True:
yield pe32
if Process32Next(hProcessSnap,ctypes.byref(pe32)) == False:
break
CloseHandle(hProcessSnap)

def getChildPid(pid):
procList = getProcList()
for proc in procList:
if proc.th32ParentProcessID == pid:
yield proc.th32ProcessID

def killPid(pid):
childList = getChildPid(pid)
for childPid in childList:
killPid(childPid)
handle = ctypes.windll.kernel32.OpenProcess(1, False, pid)
ctypes.windll.kernel32.TerminateProcess(handle,0)

if __name__ =='__main__':

import subprocess
import time

#import winproc

timeout = 2
process = subprocess.Popen("cmd /k ping localhost -t",shell = True)
start = int(time.time())
while process.poll()==None:
now = int(time.time())
if int (now - start) >timeout:
pid = process.pid
break

killPid(pid)

print "End"

转载自：http://www.oschina.net/code/snippet_70229_2368