#-*- encoding:utf-8 -*-

'''
@Author : dingjiawen
@Date : 2023/12/6 16:34
@Usage : 多任务协程展示协程的优势
@Desc :
@参考: https://github.dev/Python3WebSpider/AsyncTest demo8_1和demo9_1 demo10

'''


import asyncio
import requests
import time

start = time.time()


# 单个执行每个都至少要5秒
async def request():
    url = 'https://httpbin.org/delay/5'
    print('Waiting for', url)
    # 这里无论是加await还是不加await都无法实现真正意义上的异步 需要使用aiohttp
    response = requests.get(url)
    print('Get response from', url, 'response', response)

tasks = [asyncio.ensure_future(request()) for _ in range(10)]
loop = asyncio.get_event_loop()
loop.run_until_complete(asyncio.wait(tasks))

end = time.time()
print('Cost time:', end - start)