threading-timeout-event.py

import threading
import time


def some_work():
    time.sleep(1)
    print("a bit of work done")


def task(timeout: threading.Event):
    while not timeout.is_set():
        some_work()
    print("timeout received")

def timeout_handler(timeout: threading.Event):
    print("timeout")
    timeout.set()


def main():
    timeout = threading.Event()
    threading.Timer(3.0, timeout_handler, args=(timeout,)).start()
    task(timeout)


if __name__ == "__main__":
    main()