requests 下载图片

来源：https://stackoverflow.com/questions/13137817/how-to-download-image-using-requests

import shutil
import requests

def download_imageurl(urlobj, filename, params):
    headers = {
            'authority': 'weibo.com' ,
            'accept': 'application/json, text/plain, */*' ,
            'accept-language': 'zh-CN,zh;q=0.9' ,
            'client-version': 'v2.40.20' ,
            'cookie': "{}".format(params.get("cookie")) ,
            'referer': "{}".format(params.get("referer")) ,
            'sec-ch-ua': '"Google Chrome";v="111", "Not(A:Brand";v="8", "Chromium";v="111"' ,
            'sec-ch-ua-mobile': '?0' ,
            'sec-ch-ua-platform': '"macOS"' ,
            'sec-fetch-dest': 'empty' ,
            'sec-fetch-mode': 'cors' ,
            'sec-fetch-site': 'same-origin' ,
            'server-version': 'v2023.03.30.1' ,
            'traceparent': '00-bbb91a1780aa4f3c1c0177e504c6436e-f4640030b13af62a-00' ,
            'user-agent': 'Mozilla/5.0 (Macintosh; Intel Mac OS X 10_15_7) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/111.0.0.0 Safari/537.36' ,
            'x-requested-with': 'XMLHttpRequest' ,
            'x-xsrf-token': 'zE0gWqkftwEbOUP0UGLtuZtd' ,
            }
    rep = requests.get(urlobj.url, headers=headers, stream=True)
    os.makedirs(os.path.dirname(filename), exist_ok=True)
    with open(filename, "wb") as f:
        rep.raw.decode_content = True
        shutil.copyfileobj(rep.raw, f)