python 判断linux进程,并杀死进程的实现方法

'''@author: Jacobpc'''import osimport sysimport subprocess def get_process_id(name):  child = subprocess.Popen(["pgrep","-f",name],stdout=subprocess.PIPE,shell=False)  response = child.communicate()[0]  return response pid = get_process_id("python socialbanklog.py")print pidif not pid:  print "no target pid to kill,please check"  sys.exit(1) result=os.system("kill -9 "+pid)if result==0:  print "execute kill success"else:  sys.exit(1)