python爬虫---爬取网易云音乐

代码：

import requests
from lxml import etree

text = requests.get("https://music.163.com/discover/toplist?id=3778678").text

html = etree.HTML(text)
id_list = html.xpath("//a[contains(@href,'/song?')]")
for i in id_list:
    href = i.xpath("./@href")[0]
    music_id = href.split("=")[1]
    music_url = "https://music.163.com/song%s?id=%s"%("/media/outer/url",music_id)
    # 歌曲名称
    music_name = i.xpath("./text()")[0]
    # 访问歌曲
    data = requests.get(music_url)
    # 下载歌曲
    if data.status_code == 200:
        with open("./music/%s.mp3" % music_name, "wb") as file:
            file.write(data.content)
    print(music_name)