文章采集调用( 80集Python基础入门视频教学第二步打开这个网站在里面去分析)

优采云 发布时间: 2021-11-03 07:08

  文章采集调用(

80集Python基础入门视频教学第二步打开这个网站在里面去分析)

  

  

  

  环境

  知识点

  第一步

  打开这个网站里面分析我们需要的数据,每首音乐的名字id

  

  去网页源码找数据,发现没有数据,这个网页不是静态页面

  

  打开开发者工具,找到歌曲的id

  

  找到真正的目标网址

  

  【付费VIP完整版】只要看完就能学会的教程,80集Python基础入门视频教学

  第二步

  通过代码实现当前步骤

  通过代码访问这个页面——获取网页源代码提取我们真正要下载音乐的音乐名称:id获取就是下载音乐

  解析下载歌曲里面音乐数据的加密规则

  起始码

  先导入需要的模块

  import requests

import re

import execjs

  请求数据

  提取我们真正想要的音乐的名称 id

  zip_data = re.findall('(.*?)', response)

for music_id, title in zip_data:

# url_1 = 'http://music.163.com/song/media/outer/url?id=' + music_id

url_1 = 'https://music.163.com/weapi/song/enhance/player/url/v1?csrf_token='

result = ctx.call('start', music_id)

data = {

'params': result['encText'],

'encSecKey': result['encSecKey']

}

# 发送请求

# 当前的音乐数据

music_url = requests.post(url_1, data=data, headers=headers).json()['data'][0]['url']

music_data = requests.get(music_url, headers).content

title = re.sub(r'[/\:*?"|]', '_', title)

  导入JS文件

  # js文件导入

js = open('music163.js', mode='r', encoding='utf-8').read()

ctx = execjs.compile(js)

  保存文件

  with open('music/' + title + '.mp3', mode='wb') as f:

f.write(music_data)

print(title)

  

  

  完整代码

  import requests

import re

import execjs

url = 'https://music.163.com/discover/toplist'

# 伪装

headers = {

'cookie': '_ntes_nuid=063717de540d3ec18d9b4a0bdf51e931; WM_TID=sxztjH%2FJbYZBEREFBQZvAgttUnJPrvYf; ntes_kaola_ad=1; NMTID=00OSBNvfChgV2TD7k5IhSzky6R8lXgAAAF0zoWmoA; _ntes_nnid=063717de540d3ec18d9b4a0bdf51e931,1607344992641; _iuqxldmzr_=32; OUTFOX_SEARCH_USER_ID_NCOO=2145381542.3273497; WEVNSM=1.0.0; WNMCID=sazafu.1624080681192.01.0; UM_distinctid=17b784cb58a17-097be09ee87fb9-c343365-1aeaa0-17b784cb58b8bc; __root_domain_v=.163.com; _qddaz=QD.159230735652240; vinfo_n_f_l_n3=11aae7905aa2179b.1.11.1575470964063.1625470009945.1632894007779; usertrack=ezq0J2FlcQWNYypxAx88Ag==; JSESSIONID-WYYY=Yvm62%5Cnd8XNkT2ryCNOJx9urqXsxCDMF6srNnGRegtmuNdB5MrrS9ou%2FWw3JbVf960uHnGW3Bb%2Fbhv2xZm3Vn%2B%2BonZSX38sqKiUMuRd6TDKD39HRzGmrZ%5Cp9IUaNs%5C5nYt9xltJBt5qRgWsl0PZsxDhSu26ugGAozPffXXAjemm0o%2Fv%5C%3A1634111694844; WM_NI=au9XpuutN3GwymEoZsAgWl6%2BH4cTcHgYKos%2BWibR3hSntTQhrpX%2FLoCAycOKLnZteLb1LlluoIk9jlKxaaUThS4tfZr9jWB3LVjXKQUH4%2BMpukbEPcnHaN80J8%2FhoqeeYms%3D; WM_NIKE=9ca17ae2e6ffcda170e2e6ee8de74b85b18eb3b27bae8e8ab2d44e969f9aafae3388af8f98d06da59b968ecf2af0fea7c3b92aa3abf7b9f37fb7ac82d4c67dbbb38b90d97983b9998db5218cecadb5e244a5878590f22195b7aeb3b26491b2bcb5d464b2b098d0cf65819fb784ce4190b29695e848a2ef848def7fad97a5dae96889a8af82d860ac8dfc95e552b2e7a6b8c139908aa6b9ca5b9798fcccd07cb7b5aea6d369ae98afafbb3c8ae8e189ee7ba7bb978ef237e2a3; playerid=29374327',

'user-agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/94.0.4606.81 Safari/537.36'

}

response = requests.get(url, headers).text

zip_data = re.findall('(.*?)', response)

js = open('music163.js', mode='r', encoding='utf-8').read()

ctx = execjs.compile(js)

for music_id, title in zip_data:

url_1 = 'https://music.163.com/weapi/song/enhance/player/url/v1?csrf_token='

result = ctx.call('start', music_id)

data = {

'params': result['encText'],

'encSecKey': result['encSecKey']

}

music_url = requests.post(url_1, data=data, headers=headers).json()['data'][0]['url']

music_data = requests.get(music_url, headers).content

title = re.sub(r'[/\:*?"|]', '_', title)

with open('music/' + title + '.mp3', mode='wb') as f:

f.write(music_data)

print(title)

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