NetEase music.163.com

gistfile1.txt

## from https://gist.github.com/scturtle/5972996

import re
import os
import sys
import md5
import json
import random
import requests

ENCODE = 'gbk' if sys.platform.startswith('win') else 'utf8'
CMD = 'axel -a -n 4 -o "{name}.mp3" "{url}"'
SEARCH = 'http://music.163.com/api/search/get/web'
DETAIL = 'http://music.163.com/api/song/detail/?ids=[{}]'
LRC = 'http://music.163.com/api/song/media?id={}'
HEADERS = {'Referer': 'http://music.163.com'}
MP3 = 'http://m{}.music.126.net/{}/{}.mp3'


class Json:
    def __repr__(self):
        return json.dumps(self.json, indent=2)


def json2obj(json):
    if isinstance(json, dict):
        obj = Json()
        setattr(obj, 'json', json)
        for k, v in json.items():
            k = k.replace(' ', '_')
            setattr(obj, k, json2obj(v))
        return obj
    if isinstance(json, list):
        return map(json2obj, json)
    return json


def search(q, tp=1):
    '''
    >>> search('2375').result.songs[0].id
    365613
    '''
    return json2obj(requests.post(SEARCH, headers=HEADERS,
                                  data=dict(type=tp, s=q, offset=0,
                                            limit=30, total='true')
                                  ).json())


def searchAlbum(q):
    return search(q, tp=10)


def searchArtist(q):
    return search(q, tp=100)



def detail(sids):
    '''
    >>> detail([365613]).songs[0].name
    u'2375'
    '''
    return json2obj(requests.get(DETAIL.format(','.join(map(str, sids))),
                                 headers=HEADERS).json())


def url_2_sids(url):
    '''
    >>> url_2_sids('http://music.163.com/#/album?id=36197')
    ['365612', '365613', '365614', '365615', '365617']
    '''
    _id = url.split('=')[1]
    if 'song?id' in url:
        return [_id]
    else:
        r = requests.get(url.replace('/#/', '/'), headers=HEADERS)
        return re.findall(r'song\?id=(\d+)', r.content)


def encrypted_id(id):
    ''' from https://github.com/yanunon/NeteaseCloudMusic '''
    byte1 = bytearray('3go8&$8*3*3h0k(2)2')
    byte2 = bytearray(id)
    byte1_len = len(byte1)
    for i in xrange(len(byte2)):
        byte2[i] = byte2[i] ^ byte1[i % byte1_len]
    m = md5.new()
    m.update(byte2)
    result = m.digest().encode('base64')[:-1]
    result = result.replace('/', '_')
    result = result.replace('+', '-')
    return result


def download(sids, withlrc=False):
    '''
    >>> dfsId = str(detail([365613]).songs[0].bMusic.dfsId)
    >>> MP3.format(1, encrypted_id(dfsId), dfsId)
    'http://m1.music.126.net/n5usuzBfOxdzcGGnF_2hnQ==/2781764418296774.mp3'
    '''
    json = detail(sids)
    for i in json.songs:
        name = ''
        for c in i.name:
            try:
                name += c.encode(ENCODE)
            except:
                pass
        #url = i.mp3Url
        dfsId = str(i.bMusic.dfsId)
        url = MP3.format(random.randrange(1, 3), encrypted_id(dfsId), dfsId)
        cc = os.system(CMD.format(name=name, url=url))
        assert not cc, 'Interrupted'
        if withlrc:
            lrc = requests.get(LRC.format(i.id), headers=HEADERS).json()
            lrc = json2obj(lrc)
            if hasattr(lrc, 'lyric'):
                open(name + '.lrc', 'w').write(lrc.lyric.encode('utf-8'))