kill process and it's subprocesses

gistfile1.txt

import subprocess
import psutil

def kill_proc_and_sub(pid):
    print("kill proc and all it's subprocesses: {}".format(pid))
    try:
        parent_process = psutil.Process(pid)
    except Exception as ex:
        print("kill proc failed: " + ex.message)
        return

    # plist = []
    # for p in parent_process.children(recursive=True):
    #     plist.append(p)
    parent_process.suspend()

    for p in parent_process.children(recursive=True):
        try:
            print("kill sub: {}:{} ".format(p.name(), p.pid))
            p.terminate()
        except psutil.NoSuchProcess as ex:
            print("kill sub proc fail, no such process: " + str(ex.message))
        except Exception as e:
            print("kill sub: {}:{} failed".format(p.name, p.pid))
            print(e)

    print("kill parent: " + parent_process.name())
    try:
        parent_process.kill()
    except Exception:
        print("kill parent proc: {} failed".format(parent_process.name))