Python crawler from the beginning to give up 09 | Python crawler practice - Download Netease cloud music

SunriseCai 2020-11-13 11:28:28
python crawler beginning python crawler


This blog is only for my spare time to record articles , Publish to , Only for users to read , If there is any infringement , Please let me know , I'll delete it .
This article is pure and wild , There is no reference to other people's articles or plagiarism . Insist on originality !!

Preface

Hello . Here is Python Reptiles from getting started to giving up series of articles . I am a SunriseCai.

notes : This is the March post .

The article is complete with video , Combined with video food , Better taste . Click through !


This article mainly introduces the use of crawler call API Go to download Songs of Netease cloud music .

1. Article ideas

Look at Netease cloud music website , As shown in the following figures :

  • home page ( First level page )
     Insert picture description here
  • Search page ( Search here Pearl of the East
  • Then click on the first song
     Insert picture description here
  • Play page ( Notice that there is a id, Focus on !!!)
  • See the play page , Caught multiple m4a Data packets in format , Unclear m4a It doesn't matter what it is , It will be introduced as follows , Here's a look at its URL.
     Insert picture description here
  • visit m4a Of URL, Go to the following page
  • This page yes Pearl of the East The song's playing page , It's also a download page .
     Insert picture description here

Now that I know it is m4a Packet URL You can download songs , Then the next step is to analyze URL 了 .

however !!! Let's not analyze here URL, Because what we are looking for here is the introduction , therefore , Simple is the end . There are more convenient and quick ways , What is it? ? Please look down .


  • Baidu Encyclopedia explained above m4a.
     Insert picture description here

2. Call Netease cloud music API

  • Look at the other song's playing page .
  • This head Yellow There is a corresponding id.
     Insert picture description here

Know that the songs of Netease cloud music have corresponding id, very good , Let's see how to use this id To download the corresponding music .

Here Netease cloud music API Come on stage .

http://music.163.com/song/media/outer/url?id=

API It's easy to use , Just fill in the id You can use , Let's look at the example first :

  • The picture below is in API Fill in the song id, Then use the browser to access the look of .
     Insert picture description here

Code example :
 Insert picture description here
What it looks like after executing the code :
 Insert picture description here

3. Code section

# -*- coding:utf-8 -*-
# author : SunriseCai
# datetime : 2020/3/27 17:08
# software : PyCharm
""" Netease cloud music download program """
import requests
class DownloadMusic(object):
def __init__(self):
self.song_url = 'http://music.163.com/song/media/outer/url?id={}'
self.headers = {

'user-agent': 'Mozilla5.0'
}
def get_song_url(self, song_id):
"""
Incoming songs id, Put it together URL, And then download the music function
:param song_id: song id
:return:
"""
url = self.song_url.format(song_id)
self.download_music(url)
def download_music(self, song_url):
"""
Accept the song URL, Execute download function
:param song_url: song URL
:return:
"""
resp = requests.get(url=song_url)
with open('Yellow.mp3', 'wb') as f:
f.write(resp.content)
def main(self):
"""
The main function
:return:
"""
self.get_song_url('1413502053')
if __name__ == '__main__':
spider = DownloadMusic()
spider.main()

Github Music created by God API project , You can find out what you are interested in .
 Insert picture description here

Article questions :

  • This article is very water , Because it's the introduction , So it's really water . It's the number of words and articles . Write in order to make up the quantity .
  • It is suggested that you copy and paste the code to execute it , If you have any questions, please solve them by yourself , It is better to believe in books than to have no books
  • It can't be solved. We can communicate with each other .

To be improved :


Finally, I will summarize the content of this chapter :

  1. Introduced the call API To download the crawler ideas of Netease cloud music
  2. Code display
  3. nothing

sunrisecai

  • Thank you for your patience in watching , Focus , Neverlost .
  • For the convenience of chicken pecking each other , Welcome to join QQ Group organization :648696280

Next article , be known as 《Python Reptiles from getting started to giving up 10 | Python Reptile battle – download bilibili Online listing video 》.

版权声明
本文为[SunriseCai]所创,转载请带上原文链接,感谢

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