线程和队列：小练习

# __author: "ZXYang"
# date: 2020/12/20


"""
列出100个url地址（假设请求每个地址需要0.5秒）请设计程序，一个程序，访问地址列表中的url，使用四个线程发送这100个请求，
计算总时间！

"""

import time
import queue
from threading import Thread


def decorator(func):
    def wrapper(*args, **kwargs):
        s_time = time.time()
        func(*args, **kwargs)
        e_time = time.time()
        print("耗费时间：{}".format(e_time - s_time))

    return wrapper


q_url = queue.Queue()

for i in range(100):
    q_url.put("http://www.baidu.com/--{}".format(i))


class MyThread(Thread):
    def run(self):
        while not q_url.empty():
            url = q_url.get()
            print(F'{self}发送请求{url}')
            time.sleep(0.5)
            q_url.task_done()


@decorator
def main():
    for k in range(4):
        t = MyThread()
        t.start()

    q_url.join()


main()