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如何使用python批量下載網(wǎng)易云音樂(lè)的免費(fèi)音樂(lè)-創(chuàng)新互聯(lián)

小編給大家分享一下如何使用python批量下載網(wǎng)易云音樂(lè)的免費(fèi)音樂(lè)，希望大家閱讀完這篇文章后大所收獲，下面讓我們一起去探討吧！

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運(yùn)行效果

如何使用python批量下載網(wǎng)易云音樂(lè)的免費(fèi)音樂(lè)

代碼

# -*- 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():
	"""
	解密算法
	"""
	def __init__(self):
		self.modulus = '00e0b509f6259df8642dbc35662901477df22677ec152b5ff68ace615bb7b725152b3ab17a876aea8a5aa76d2e417629ec4ee341f56135fccf695280104e0312ecbda92557c93870114af6c9d05c4f7f0c3685b7a46bee255932575cce10b424d813cfe4875d3e82047b97ddef52741d546b8e289dc6935b3ece0462db0a22b8e7'
		self.nonce = '0CoJUm6Qyw8W8jud'
		self.pub_key = '010001'

	# 登錄加密算法, 基于https://github.com/stkevintan/nw_musicbox腳本實(shí)現(xiàn)
	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, text, pubKey, modulus):
		text = text[::-1]
		rs = pow(int(binascii.hexlify(text), 16), int(pubKey, 16), int(modulus, 16))
		return format(rs, 'x').zfill(256)

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


class Song():
	"""
	歌曲對(duì)象，用于存儲(chǔ)歌曲的信息
	"""
	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(wǎng)易云爬取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(qǐng)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):
		"""
		搜索API
		:params search_content: 搜索內(nèi)容
		:params search_type: 搜索類型
		:params limit: 返回結(jié)果數(shù)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, song_name, song_num, quiet=True, limit=9):
		"""
		根據(jù)音樂(lè)名搜索
		:params song_name: 音樂(lè)名
		:params song_num: 下載的歌曲數(shù)
		:params quiet: 自動(dòng)選擇匹配最優(yōu)結(jié)果
		:params limit: 返回結(jié)果數(shù)量
		:return: Song獨(dú)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, song_id, bit_rate=320000):
		"""
		獲得歌曲的下載地址
		:params song_id: 音樂(lè)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, song_name, song_num, 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(shù)
		:params folder: 保存路徑
		"""
		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(wǎng)易云音樂(lè)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_name, song_num):
		"""
		根據(jù)歌曲名進(jìn)行搜索
		:params song_name: 歌曲名字
		:params song_num: 下載的歌曲數(shù)
		"""

		try:
			song = self.crawler.search_song(song_name, song_num, self.quiet)
		except:
			click.echo('download_song_by_serach error')
		# 如果找到了音樂(lè), 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, song_id, song_name, song_num, folder='.'):
		"""
		通過(guò)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(shù)
		:params folder: 保存地址
		"""
		try:
			url = self.crawler.get_song_url(song_id)
			# 去掉非法字符
			song_name = song_name.replace('/', '')
			song_name = song_name.replace('.', '')
			self.crawler.get_song_by_url(url, song_name, song_num, 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, quiet, cookie_path)
	music_list_name = 'music_list.txt'
	# 如果music列表存在, 那么開(kāi)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.')

看完了這篇文章，相信你對(duì)如何使用python批量下載網(wǎng)易云音樂(lè)的免費(fèi)音樂(lè)有了一定的了解，想了解更多相關(guān)知識(shí)，歡迎關(guān)注創(chuàng)新互聯(lián)行業(yè)資訊頻道，感謝各位的閱讀！

當(dāng)前題目：如何使用python批量下載網(wǎng)易云音樂(lè)的免費(fèi)音樂(lè)-創(chuàng)新互聯(lián)
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