1. 程式人生 > 程式設計 >python 根據列表批量下載網易雲音樂的免費音樂

python 根據列表批量下載網易雲音樂的免費音樂

執行效果

python 根據列表批量下載網易雲音樂的免費音樂

程式碼

# -*- coding:utf-8 -*-
import requests,hashlib,sys,click,re,base64,binascii,json,os
from Crypto.Cipher import AES
from http import cookiejar

"""
Website:http://cuijiahua.com
Author:Jack Cui
Refer:https://github.com/darknessomi/musicbox
"""

class Encrypyed():
	"""
	解密演算法
	"""
	def __init__(self):
		self.modulus = '00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7'
		self.nonce = '0CoJUm6Qyw8W8jud'
		self.pub_key = '010001'

	# 登入加密演算法,基於https://github.com/stkevintan/nw_musicbox指令碼實現
	def encrypted_request(self,text):
		text = json.dumps(text)
		sec_key = self.create_secret_key(16)
		enc_text = self.aes_encrypt(self.aes_encrypt(text,self.nonce),sec_key.decode('utf-8'))
		enc_sec_key = self.rsa_encrpt(sec_key,self.pub_key,self.modulus)
		data = {'params': enc_text,'encSecKey': enc_sec_key}
		return data

	def aes_encrypt(self,text,secKey):
		pad = 16 - len(text) % 16
		text = text + chr(pad) * pad
		encryptor = AES.new(secKey.encode('utf-8'),AES.MODE_CBC,b'0102030405060708')
		ciphertext = encryptor.encrypt(text.encode('utf-8'))
		ciphertext = base64.b64encode(ciphertext).decode('utf-8')
		return ciphertext

	def rsa_encrpt(self,pubKey,modulus):
		text = text[::-1]
		rs = pow(int(binascii.hexlify(text),16),int(pubKey,int(modulus,16))
		return format(rs,'x').zfill(256)

	def create_secret_key(self,size):
		return binascii.hexlify(os.urandom(size))[:16]


class Song():
	"""
	歌曲物件,用於儲存歌曲的資訊
	"""
	def __init__(self,song_id,song_name,song_num,song_url=None):
		self.song_id = song_id
		self.song_name = song_name
		self.song_num = song_num
		self.song_url = '' if song_url is None else song_url

class Crawler():
	"""
	網易雲爬取API
	"""
	def __init__(self,timeout=60,cookie_path='.'):
		self.headers = {
			'Accept': '*/*','Accept-Encoding': 'gzip,deflate,sdch','Accept-Language': 'zh-CN,zh;q=0.8,gl;q=0.6,zh-TW;q=0.4','Connection': 'keep-alive','Content-Type': 'application/x-www-form-urlencoded','Host': 'music.163.com','Referer': 'http://music.163.com/search/','User-Agent': 'Mozilla/5.0 (Windows NT 10.0; WOW64) AppleWebKit/537.36 (KHTML,like Gecko) Chrome/63.0.3239.132 Safari/537.36'
		}
		self.session = requests.Session()
		self.session.headers.update(self.headers)
		self.session.cookies = cookiejar.LWPCookieJar(cookie_path)
		self.download_session = requests.Session()
		self.timeout = timeout
		self.ep = Encrypyed()

	def post_request(self,url,params):
		"""
		Post請求
		:return: 字典
		"""

		data = self.ep.encrypted_request(params)
		resp = self.session.post(url,data=data,timeout=self.timeout)
		result = resp.json()
		if result['code'] != 200:
			click.echo('post_request error')
		else:
		  return result

	def search(self,search_content,search_type,limit=9):
		"""
		搜尋API
		:params search_content: 搜尋內容
		:params search_type: 搜尋型別
		:params limit: 返回結果數量
		:return: 字典.
		"""

		url = 'http://music.163.com/weapi/cloudsearch/get/web?csrf_token='
		params = {'s': search_content,'type': search_type,'offset': 0,'sub': 'false','limit': limit}
		result = self.post_request(url,params)
		return result

	def search_song(self,quiet=True,limit=9):
		"""
		根據音樂名搜尋
		:params song_name: 音樂名
		:params song_num: 下載的歌曲數
		:params quiet: 自動選擇匹配最優結果
		:params limit: 返回結果數量
		:return: Song獨享
		"""

		result = self.search(song_name,search_type=1,limit=limit)

		if result['result']['songCount'] <= 0:
			click.echo('Song {} not existed.'.format(song_name))
		else:
			songs = result['result']['songs']
			if quiet:
				song_id,song_name = songs[0]['id'],songs[0]['name']
				song = Song(song_id=song_id,song_name=song_name,song_num=song_num)
				return song

	def get_song_url(self,bit_rate=320000):
		"""
		獲得歌曲的下載地址
		:params song_id: 音樂ID<int>.
		:params bit_rate: {'MD 128k': 128000,'HD 320k': 320000}
		:return: 歌曲下載地址
		"""

		url = 'http://music.163.com/weapi/song/enhance/player/url?csrf_token='
		csrf = ''
		params = {'ids': [song_id],'br': bit_rate,'csrf_token': csrf}
		result = self.post_request(url,params)
		# 歌曲下載地址
		song_url = result['data'][0]['url']

		# 歌曲不存在
		if song_url is None:
			click.echo('Song {} is not available due to copyright issue.'.format(song_id))
		else:
			return song_url

	def get_song_by_url(self,song_url,folder):
		"""
		下載歌曲到本地
		:params song_url: 歌曲下載地址
		:params song_name: 歌曲名字
		:params song_num: 下載的歌曲數
		:params folder: 儲存路徑
		"""
		if not os.path.exists(folder):
			os.makedirs(folder)
		fpath = os.path.join(folder,str(song_num) + '_' + song_name + '.mp3')
		if sys.platform == 'win32' or sys.platform == 'cygwin':
			valid_name = re.sub(r'[<>:"/\\|?*]','',song_name)
			if valid_name != song_name:
				click.echo('{} will be saved as: {}.mp3'.format(song_name,valid_name))
				fpath = os.path.join(folder,str(song_num) + '_' + valid_name + '.mp3')
		
		if not os.path.exists(fpath):
			resp = self.download_session.get(song_url,timeout=self.timeout,stream=True)
			length = int(resp.headers.get('content-length'))
			label = 'Downloading {} {}kb'.format(song_name,int(length/1024))

			with click.progressbar(length=length,label=label) as progressbar:
				with open(fpath,'wb') as song_file:
					for chunk in resp.iter_content(chunk_size=1024):
						if chunk:
							song_file.write(chunk)
							progressbar.update(1024)


class Netease():
	"""
	網易雲音樂下載
	"""
	def __init__(self,timeout,folder,quiet,cookie_path):
		self.crawler = Crawler(timeout,cookie_path)
		self.folder = '.' if folder is None else folder
		self.quiet = quiet

	def download_song_by_search(self,song_num):
		"""
		根據歌曲名進行搜尋
		:params song_name: 歌曲名字
		:params song_num: 下載的歌曲數
		"""

		try:
			song = self.crawler.search_song(song_name,self.quiet)
		except:
			click.echo('download_song_by_serach error')
		# 如果找到了音樂,則下載
		if song != None:
			self.download_song_by_id(song.song_id,song.song_name,song.song_num,self.folder)

	def download_song_by_id(self,folder='.'):
		"""
		通過歌曲的ID下載
		:params song_id: 歌曲ID
		:params song_name: 歌曲名
		:params song_num: 下載的歌曲數
		:params folder: 儲存地址
		"""
		try:
			url = self.crawler.get_song_url(song_id)
			# 去掉非法字元
			song_name = song_name.replace('/','')
			song_name = song_name.replace('.','')
			self.crawler.get_song_by_url(url,folder)

		except:
			click.echo('download_song_by_id error')


if __name__ == '__main__':
	timeout = 60
	output = 'Musics'
	quiet = True
	cookie_path = 'Cookie'
	netease = Netease(timeout,output,cookie_path)
	music_list_name = 'music_list.txt'
	# 如果music列表存在,那麼開始下載
	if os.path.exists(music_list_name):
		with open(music_list_name,'r') as f:
			music_list = list(map(lambda x: x.strip(),f.readlines()))
		for song_num,song_name in enumerate(music_list):
			netease.download_song_by_search(song_name,song_num + 1)
	else:
		click.echo('music_list.txt not exist.')

以上就是python 根據列表批量下載網易雲音樂的免費音樂的詳細內容,更多關於python 網易雲音樂下載的資料請關注我們其它相關文章!