Python版本3.9
目录下需要'下载音乐'文件夹

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# 创建时间 : 2021/4/26 20:12
# 创建人 : 空城旧念
# 文件 : 下载音乐.py
# 平台: PyCharm
import requests
import jsonpath
from urllib.request import urlretrieve
import urllib.parse


def get_csrf(keyword, s):
    header = {
        'Accept': 'text / html, application / xhtml + xml, application / xml;q = 0.9, image / webp, image / apng, '
                  '* / *;q = 0.8, application / signed - exchange;v = b3;q = 0.9',
        'Accept - Encoding': 'gzip, deflate',
        'Accept - Language': 'zh - CN, zh;q = 0.9',
        'Cache - Control': 'max - age = 0',
        'Connection': 'keep - alive',
        # 'Cookie': '_ga = GA1.2.1157256760.1619264212;_gid =
        # GA1.2.572513955.1619264212;Hm_lvt_cdb524f42f0ce19b169a8071123a4797 = 1619264212, 1619264427,
        # 1619267361;_gat = 1;Hm_pvt_cdb524f42f0ce19b169a8071123a4797 = 1619269262;kw_token = 5ASAP1Y703',
        'Host': 'www.kuwo.cn',
        'If - None - Match': '"34446-xe3aVUY1idCm93W9EK4AU7RIIkk"',
        'Upgrade - Insecure - Requests': '1',
        'User - Agent': 'Mozilla / 5.0(WindowsNT10.0;WOW64) AppleWebKit / 537.36(KHTML, likeGecko) Chrome / '
                        '84.0.4147.89Safari / 537.36SLBrowser / 7.0.0.2261SLBChan / 30 '
    }
    url = "http://www.kuwo.cn/"
    s.get(url, headers=header)
    # print("kw_token" + "-" * 10)
    # print(s.cookies.get_dict())
    # print("kw_token"+"-"*10)

    heads = {
        'Accept': 'application/json, text/plain, */*',
        'Accept-Encoding': 'gzip, deflate',
        'Accept-Language': 'zh-CN,zh;q=0.9',
        'Connection': 'keep-alive',
        # 'Cookie': '_ga=GA1.2.1157256760.1619264212; _gid=GA1.2.572513955.1619264212;
        # Hm_lvt_cdb524f42f0ce19b169a8071123a4797=1619264212,1619264427,1619267361;
        # Hm_lpvt_cdb524f42f0ce19b169a8071123a4797=1619267443; kw_token=J9LYV05NY',
        'csrf': s.cookies.get_dict()['kw_token'],
        'Host': 'www.kuwo.cn',
        'Referer': f'http://www.kuwo.cn/search/list?key={keyword}',
        'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML, like Gecko) '
                      'Chrome/84.0.4147.89 Safari/537.36 SLBrowser/7.0.0.2261 SLBChan/30 '
    }
    # print("请求头"+"-"*10)
    # print(heads)
    # print("请求头" + "-" * 10)
    urls = f"http://www.kuwo.cn/api/www/search/searchMusicBykeyWord?key={keyword}&pn=1&rn=30&httpsStatus=1&reqId" \
           f"=ec84e110-a4fb-11eb-a1fc-5fd89c65d88b "
    # html = requests.get(url, headers=head).text
    r = s.get(urls, headers=heads)
    # print(r.text)
    rids = jsonpath.jsonpath(r.json(), '$..rid')[0]
    # print(rids)
    return rids


def get_music_url(rids, keyword, s):
    url = f'http://www.kuwo.cn/url?format=mp3&rid={rids}&response=url&type=convert_url3&br=128kmp3&from=web&t' \
          f'=1619270497710&httpsStatus=1 '
    head = {
        'Accept': 'application / json, text / plain, * / *',
        'Accept - Encoding': 'gzip, deflate',
        'Accept - Language': 'zh - CN, zh;q = 0.9',
        'Connection': 'keep - alive',
        # 'Cookie': '_ga = GA1.2.1157256760.1619264212;_gid =
        # GA1.2.572513955.1619264212;Hm_lvt_cdb524f42f0ce19b169a8071123a4797 = 1619264212, 1619264427,
        # 1619267361;Hm_lpvt_cdb524f42f0ce19b169a8071123a4797 = 1619269271;_gat = 1;kw_token = WMZ5EQS5F9G',
        'Host': 'www.kuwo.cn',
        'Referer': f'http: // www.kuwo.cn / search / list?key = {keyword}',
        'User - Agent': 'Mozilla / 5.0(WindowsNT10.0;WOW64) AppleWebKit / 537.36(KHTML, likeGecko) Chrome / '
                        '84.0.4147.89Safari / 537.36SLBrowser / 7.0.0.2261SLBChan / 30 '
    }
    # print(s.get(url, headers=head).text)
    music_url = s.get(url, headers=head).json()['url']
    return music_url


def get_music(music_url, keyword):
    file = '下载音乐/' + urllib.parse.unquote(keyword) + '.mp3'
    urlretrieve(music_url, file)
    print("下载完成")


# 调用rid获取, url解析, 音乐下载, 模块
def run(keyword, s):
    try:
        rid = get_csrf(keyword, s)  # rid获取
        music_url = get_music_url(rid, keyword, s)  # url获取
        get_music(music_url, keyword)  # 下载音乐
    except Exception as re:
        print(re)
        print("查询失败")
        return "查询失败了"


# 定义主函数
# if __name__ == "__main__":
def download(keyword):
    s = requests.session()
    # print("rid:"+s.cookies.get_dict()['kw_token'])
    # print("rid:" + s.cookies.get_dict())
    # keyword = input("请输入你需要下载的音乐：")
    keyword = urllib.parse.quote(keyword)
    pd = run(keyword, s)
    if pd == "查询失败了":
        return "查询失败了呀"


song = input("歌名：")
download(song)