qq音乐（网页版）

import requests
from multiprocessing import Pool
class Music_QQ(object):
    def __init__(self):
        self.get_mid_url = 'https://c.y.qq.com/qzone/fcg-bin/fcg_ucc_getcdinfo_byids_cp.fcg?'
        self.get_vkey_url = 'https://u.y.qq.com/cgi-bin/musicu.fcg?'
        self.get_song_url = 'http://isure.stream.qqmusic.qq.com/'
        self.get_mid_headers = {
            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36',
            'Referer': 'https://y.qq.com/n/yqq/playlist/7281518382.html',
            'Origin': 'https://y.qq.com',
            'Sec-Fetch-Mode':'cors',
        }
        self.get_vkey_headers= {
            'Origin': 'https://y.qq.com',
            'Referer': 'https://y.qq.com/portal/player.html',
            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36',
        }
        self.get_song_headers= {
            'User-Agent': 'Mozilla/5.0 (Windows NT 6.1; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/73.0.3683.86 Safari/537.36',
        }
        self.parse()
    def parse(self):
        self.get_songmid()
    def get_songmid(self):
        song_infos = []
        params = {
            'type': '1',
            'json': '1',
            'utf8': '1',
            'onlysong': '0',
            'new_format': '1',
            'disstid': '7010910521',
            'g_tk': '5381',
            'loginUin': '0',
            'hostUin': '0',
            'format': 'json',
            'inCharset': 'utf8',
            'outCharset': 'utf-8',
            'notice': '0',
            'platform': 'yqq.json',
            'needNewCode': '0',
        }
        # base_url = 'https://c.y.qq.com/qzone/fcg-bin/fcg_ucc_getcdinfo_byids_cp.fcg?type=1&json=1&utf8=1&onlysong=0&new_format=1&disstid=7281518382&g_tk=5381&loginUin=0&hostUin=0&format=json&inCharset=utf8&outCharset=utf-8¬ice=0&platform=yqq.json&needNewCode=0'
        response = requests.get(self.get_mid_url,headers= self.get_mid_headers,params=params,verify=False)
        # print(response.json())
        if response.status_code==200:
            for item in response.json()['cdlist'][0]['songlist']:
                mid = item['mid']
                name = item['name']
                song_infos.append((mid,name))
        # print(song_infos)
        #创建一个进程池对象
        pool = Pool(4)
        pool.map(self.get_vkeys,song_infos)
    def get_vkeys(self,songinfo):
        # print(songinfo)
        mid = songinfo[0]
        name = songinfo[1]
        params = {
            'g_tk': '5381',
            'loginUin': '0',
            'hostUin': '0',
            'format': 'json',
            'inCharset': 'utf8',
            'outCharset': 'utf-8',
            'notice': '0',
            'platform': 'yqq.json',
            'needNewCode': '0',
            'data': '{"req":{"module":"CDN.SrfCdnDispatchServer","method":"GetCdnDispatch","param":{"guid":"2557522780","calltype":0,"userip":""}},"req_0":{"module":"vkey.GetVkeyServer","method":"CgiGetVkey","param":{"guid":"2557522780","songmid":["'+mid+'"],"songtype":[0],"uin":"0","loginflag":1,"platform":"20"}},"comm":{"uin":0,"format":"json","ct":24,"cv":0}}',
        }
        response = requests.get(self.get_vkey_url,headers = self.get_vkey_headers,params=params,verify = False)
        # print(response.json())
        json_data = response.json()
        purl = json_data['req_0']['data']['midurlinfo'][0]['purl']
        # print(purl)
        self.down_load(purl,name)
    def down_load(self,purl,name):
        url = self.get_song_url+purl
        response = requests.get(url,headers = self.get_song_headers,verify = False)
        filename = 'C:\\Users\\Administrator\\Desktop\\music1\\{}.m4a'.format(name)
        try:
            print('开始下载：', name, sep='')
            with open(filename, 'wb') as fp:
                fp.write(response.content)
            print('下载成功：',name,sep='')
        except Exception:
            print('下载失败：',name,sep='')

if __name__ == '__main__':
    Music_QQ()

运行结果报错