python 异步协程下载图片

Awesome Wallpapers - wallhaven.cc

今天用到的网站是一个壁纸网站，图片精美。

import requests
import re
import os
import asyncio
import aiohttp
import aiofiles


def gethtml(url, encode):  # 获取网页源码
    r = requests.get(url)
    r.encoding = encode
    return r.text



def mkdir(path):  # 创建文件夹
    path = path.strip()
    isExists = os.path.exists(path)
    if not isExists:
        os.makedirs(path)


def geturl(url):  # 获取网站各个分类链接、分类名称
    html = gethtml(url, 'utf-8')
    obj = re.compile(r'.*?)"  target="_blank"  >', re.S)
    result = obj.finditer(html)
    with open('image_path.txt', 'w') as f:
        for item in result:
            f.write(item.group('url') + 'n')


async def aio_download_pic(session,