threadtest.py

# vi: set fileencoding=utf-8
# -*- coding: utf-8; -*-

import threading
import argparse
import time


def parse_args():
    parser = argparse.ArgumentParser(description='')
    return parser.parse_args()


def long_task(x):
    print(x, ' start')
    time.sleep(10)
    print(x, ' end')


def main():
    ns = parse_args()
    print(ns)
    start = time.time()
    threads = []
    for x in range(3):
        t = threading.Thread(target=long_task, args=(x,))
        t.start()
        threads.append(t)
    [t.join() for t in threads]
    print('done in ', time.time() - start, ' ms')


if __name__ == '__main__':
    main()