键盘控制线程开启和暂停

from pynput import keyboard
from multiprocessing import Process
import multiprocessing, psutil


def run(index):
    # index = 1
    while True:
        index += 1
        print('进程在运行!', index)


def listen_1():
    with keyboard.Listener(on_press=on_press,
                           on_release=None) as (listener):
        listener.join()


def on_press(key):
    global pid
    try:
        if str(key) == 'Key.end':
            pause = psutil.Process(pid)
            pause.suspend()
            print('暂停运行')

        if str(key) == 'Key.home':
            pause = psutil.Process(pid)
            pause.resume()
            print('恢复运行')
    except AttributeError:
        print('', end='')


if __name__ == '__main__':
    multiprocessing.freeze_support()
    p = Process(target=run, args=(100000000000000000000,))
    p.start()
    pid = p.pid
    listen_1()