yt_dlp/extractor/neteasemusic.py

   1 import hashlib
   2 import itertools
   3 import json
   4 import random
   5 import re
   6 import time
   7
   8 from .common import InfoExtractor
   9 from ..aes import aes_ecb_encrypt, pkcs7_padding
  10 from ..utils import (
  11     ExtractorError,
  12     int_or_none,
  13     join_nonempty,
  14     str_or_none,
  15     strftime_or_none,
  16     traverse_obj,
  17     unified_strdate,
  18     url_or_none,
  19     urljoin,
  20     variadic,
  21 )
  22
  23
  24 class NetEaseMusicBaseIE(InfoExtractor):
  25     _FORMATS = ['bMusic', 'mMusic', 'hMusic']
  26     _API_BASE = 'http://music.163.com/api/'
  27     _GEO_BYPASS = False
  28
  29     @staticmethod
  30     def kilo_or_none(value):
  31         return int_or_none(value, scale=1000)
  32
  33     def _create_eapi_cipher(self, api_path, query_body, cookies):
  34         request_text = json.dumps({**query_body, 'header': cookies}, separators=(',', ':'))
  35
  36         message = f'nobody{api_path}use{request_text}md5forencrypt'.encode('latin1')
  37         msg_digest = hashlib.md5(message).hexdigest()
  38
  39         data = pkcs7_padding(list(str.encode(
  40             f'{api_path}-36cd479b6b5-{request_text}-36cd479b6b5-{msg_digest}')))
  41         encrypted = bytes(aes_ecb_encrypt(data, list(b'e82ckenh8dichen8')))
  42         return f'params={encrypted.hex().upper()}'.encode()
  43
  44     def _download_eapi_json(self, path, video_id, query_body, headers={}, **kwargs):
  45         cookies = {
  46             'osver': 'undefined',
  47             'deviceId': 'undefined',
  48             'appver': '8.0.0',
  49             'versioncode': '140',
  50             'mobilename': 'undefined',
  51             'buildver': '1623435496',
  52             'resolution': '1920x1080',
  53             '__csrf': '',
  54             'os': 'pc',
  55             'channel': 'undefined',
  56             'requestId': f'{int(time.time() * 1000)}_{random.randint(0, 1000):04}',
  57             **traverse_obj(self._get_cookies(self._API_BASE), {
  58                 'MUSIC_U': ('MUSIC_U', {lambda i: i.value}),
  59             }),
  60         }
  61         return self._download_json(
  62             urljoin('https://interface3.music.163.com/', f'/eapi{path}'), video_id,
  63             data=self._create_eapi_cipher(f'/api{path}', query_body, cookies), headers={
  64                 'Referer': 'https://music.163.com',
  65                 'Cookie': '; '.join([f'{k}={v}' for k, v in cookies.items()]),
  66                 **headers,
  67             }, **kwargs)
  68
  69     def _call_player_api(self, song_id, bitrate):
  70         return self._download_eapi_json(
  71             '/song/enhance/player/url', song_id, {'ids': f'[{song_id}]', 'br': bitrate},
  72             note=f'Downloading song URL info: bitrate {bitrate}')
  73
  74     def extract_formats(self, info):
  75         err = 0
  76         formats = []
  77         song_id = info['id']
  78         for song_format in self._FORMATS:
  79             details = info.get(song_format)
  80             if not details:
  81                 continue
  82             bitrate = int_or_none(details.get('bitrate')) or 999000
  83             for song in traverse_obj(self._call_player_api(song_id, bitrate), ('data', lambda _, v: url_or_none(v['url']))):
  84                 song_url = song['url']
  85                 if self._is_valid_url(song_url, info['id'], 'song'):
  86                     formats.append({
  87                         'url': song_url,
  88                         'format_id': song_format,
  89                         'asr': traverse_obj(details, ('sr', {int_or_none})),
  90                         **traverse_obj(song, {
  91                             'ext': ('type', {str}),
  92                             'abr': ('br', {self.kilo_or_none}),
  93                             'filesize': ('size', {int_or_none}),
  94                         }),
  95                     })
  96                 elif err == 0:
  97                     err = traverse_obj(song, ('code', {int})) or 0
  98
  99         if not formats:
 100             if err != 0 and (err < 200 or err >= 400):
 101                 raise ExtractorError(f'No media links found (site code {err})', expected=True)
 102             else:
 103                 self.raise_geo_restricted(
 104                     'No media links found: probably due to geo restriction.', countries=['CN'])
 105         return formats
 106
 107     def query_api(self, endpoint, video_id, note):
 108         result = self._download_json(
 109             f'{self._API_BASE}{endpoint}', video_id, note, headers={'Referer': self._API_BASE})
 110         code = traverse_obj(result, ('code', {int}))
 111         message = traverse_obj(result, ('message', {str})) or ''
 112         if code == -462:
 113             self.raise_login_required(f'Login required to download: {message}')
 114         elif code != 200:
 115             raise ExtractorError(f'Failed to get meta info: {code} {message}')
 116         return result
 117
 118     def _get_entries(self, songs_data, entry_keys=None, id_key='id', name_key='name'):
 119         for song in traverse_obj(songs_data, (
 120                 *variadic(entry_keys, (str, bytes, dict, set)),
 121                 lambda _, v: int_or_none(v[id_key]) is not None)):
 122             song_id = str(song[id_key])
 123             yield self.url_result(
 124                 f'http://music.163.com/#/song?id={song_id}', NetEaseMusicIE,
 125                 song_id, traverse_obj(song, (name_key, {str})))
 126
 127
 128 class NetEaseMusicIE(NetEaseMusicBaseIE):
 129     IE_NAME = 'netease:song'
 130     IE_DESC = '网易云音乐'
 131     _VALID_URL = r'https?://(y\.)?music\.163\.com/(?:[#m]/)?song\?.*?\bid=(?P<id>[0-9]+)'
 132     _TESTS = [{
 133         'url': 'https://music.163.com/#/song?id=548648087',
 134         'info_dict': {
 135             'id': '548648087',
 136             'ext': 'mp3',
 137             'title': '戒烟 (Live)',
 138             'creator': '李荣浩 / 朱正廷 / 陈立农 / 尤长靖 / ONER灵超 / ONER木子洋 / 杨非同 / 陆定昊',
 139             'timestamp': 1522944000,
 140             'upload_date': '20180405',
 141             'description': 'md5:3650af9ee22c87e8637cb2dde22a765c',
 142             'subtitles': {'lyrics': [{'ext': 'lrc'}]},
 143             'duration': 256,
 144             'thumbnail': r're:^http.*\.jpg',
 145             'album': '偶像练习生 表演曲目合集',
 146             'average_rating': int,
 147             'album_artist': '偶像练习生',
 148         },
 149     }, {
 150         'note': 'No lyrics.',
 151         'url': 'http://music.163.com/song?id=17241424',
 152         'info_dict': {
 153             'id': '17241424',
 154             'ext': 'mp3',
 155             'title': 'Opus 28',
 156             'creator': 'Dustin O\'Halloran',
 157             'upload_date': '20080211',
 158             'timestamp': 1202745600,
 159             'duration': 263,
 160             'thumbnail': r're:^http.*\.jpg',
 161             'album': 'Piano Solos Vol. 2',
 162             'album_artist': 'Dustin O\'Halloran',
 163             'average_rating': int,
 164         },
 165     }, {
 166         'url': 'https://y.music.163.com/m/song?app_version=8.8.45&id=95670&uct2=sKnvS4+0YStsWkqsPhFijw%3D%3D&dlt=0846',
 167         'md5': '95826c73ea50b1c288b22180ec9e754d',
 168         'info_dict': {
 169             'id': '95670',
 170             'ext': 'mp3',
 171             'title': '国际歌',
 172             'creator': '马备',
 173             'upload_date': '19911130',
 174             'timestamp': 691516800,
 175             'description': 'md5:1ba2f911a2b0aa398479f595224f2141',
 176             'subtitles': {'lyrics': [{'ext': 'lrc'}]},
 177             'duration': 268,
 178             'alt_title': '伴唱:现代人乐队 合唱:总政歌舞团',
 179             'thumbnail': r're:^http.*\.jpg',
 180             'average_rating': int,
 181             'album': '红色摇滚',
 182             'album_artist': '侯牧人',
 183         },
 184     }, {
 185         'url': 'http://music.163.com/#/song?id=32102397',
 186         'md5': '3e909614ce09b1ccef4a3eb205441190',
 187         'info_dict': {
 188             'id': '32102397',
 189             'ext': 'mp3',
 190             'title': 'Bad Blood',
 191             'creator': 'Taylor Swift / Kendrick Lamar',
 192             'upload_date': '20150516',
 193             'timestamp': 1431792000,
 194             'description': 'md5:21535156efb73d6d1c355f95616e285a',
 195             'subtitles': {'lyrics': [{'ext': 'lrc'}]},
 196             'duration': 199,
 197             'thumbnail': r're:^http.*\.jpg',
 198             'album': 'Bad Blood',
 199             'average_rating': int,
 200             'album_artist': 'Taylor Swift',
 201         },
 202         'skip': 'Blocked outside Mainland China',
 203     }, {
 204         'note': 'Has translated name.',
 205         'url': 'http://music.163.com/#/song?id=22735043',
 206         'info_dict': {
 207             'id': '22735043',
 208             'ext': 'mp3',
 209             'title': '소원을 말해봐 (Genie)',
 210             'creator': '少女时代',
 211             'upload_date': '20100127',
 212             'timestamp': 1264608000,
 213             'description': 'md5:03d1ffebec3139aa4bafe302369269c5',
 214             'subtitles': {'lyrics': [{'ext': 'lrc'}]},
 215             'duration': 229,
 216             'alt_title': '说出愿望吧(Genie)',
 217             'thumbnail': r're:^http.*\.jpg',
 218             'average_rating': int,
 219             'album': 'Oh!',
 220             'album_artist': '少女时代',
 221         },
 222         'skip': 'Blocked outside Mainland China',
 223     }]
 224
 225     def _process_lyrics(self, lyrics_info):
 226         original = traverse_obj(lyrics_info, ('lrc', 'lyric', {str}))
 227         translated = traverse_obj(lyrics_info, ('tlyric', 'lyric', {str}))
 228
 229         if not original or original == '[99:00.00]纯音乐，请欣赏\n':
 230             return None
 231
 232         if not translated:
 233             return {
 234                 'lyrics': [{'data': original, 'ext': 'lrc'}],
 235             }
 236
 237         lyrics_expr = r'(\[[0-9]{2}:[0-9]{2}\.[0-9]{2,}\])([^\n]+)'
 238         original_ts_texts = re.findall(lyrics_expr, original)
 239         translation_ts_dict = dict(re.findall(lyrics_expr, translated))
 240
 241         merged = '\n'.join(
 242             join_nonempty(f'{timestamp}{text}', translation_ts_dict.get(timestamp, ''), delim=' / ')
 243             for timestamp, text in original_ts_texts)
 244
 245         return {
 246             'lyrics_merged': [{'data': merged, 'ext': 'lrc'}],
 247             'lyrics': [{'data': original, 'ext': 'lrc'}],
 248             'lyrics_translated': [{'data': translated, 'ext': 'lrc'}],
 249         }
 250
 251     def _real_extract(self, url):
 252         song_id = self._match_id(url)
 253
 254         info = self.query_api(
 255             f'song/detail?id={song_id}&ids=%5B{song_id}%5D', song_id, 'Downloading song info')['songs'][0]
 256
 257         formats = self.extract_formats(info)
 258
 259         lyrics = self._process_lyrics(self.query_api(
 260             f'song/lyric?id={song_id}&lv=-1&tv=-1', song_id, 'Downloading lyrics data'))
 261         lyric_data = {
 262             'description': traverse_obj(lyrics, (('lyrics_merged', 'lyrics'), 0, 'data'), get_all=False),
 263             'subtitles': lyrics,
 264         } if lyrics else {}
 265
 266         return {
 267             'id': song_id,
 268             'formats': formats,
 269             'alt_title': '/'.join(traverse_obj(info, (('transNames', 'alias'), ...))) or None,
 270             'creator': ' / '.join(traverse_obj(info, ('artists', ..., 'name'))) or None,
 271             'album_artist': ' / '.join(traverse_obj(info, ('album', 'artists', ..., 'name'))) or None,
 272             **lyric_data,
 273             **traverse_obj(info, {
 274                 'title': ('name', {str}),
 275                 'timestamp': ('album', 'publishTime', {self.kilo_or_none}),
 276                 'thumbnail': ('album', 'picUrl', {url_or_none}),
 277                 'duration': ('duration', {self.kilo_or_none}),
 278                 'album': ('album', 'name', {str}),
 279                 'average_rating': ('score', {int_or_none}),
 280             }),
 281         }
 282
 283
 284 class NetEaseMusicAlbumIE(NetEaseMusicBaseIE):
 285     IE_NAME = 'netease:album'
 286     IE_DESC = '网易云音乐 - 专辑'
 287     _VALID_URL = r'https?://music\.163\.com/(#/)?album\?id=(?P<id>[0-9]+)'
 288     _TESTS = [{
 289         'url': 'https://music.163.com/#/album?id=133153666',
 290         'info_dict': {
 291             'id': '133153666',
 292             'title': '桃几的翻唱',
 293             'upload_date': '20210913',
 294             'description': '桃几2021年翻唱合集',
 295             'thumbnail': r're:^http.*\.jpg',
 296         },
 297         'playlist_mincount': 13,
 298     }, {
 299         'url': 'http://music.163.com/#/album?id=220780',
 300         'info_dict': {
 301             'id': '220780',
 302             'title': 'B\'Day',
 303             'upload_date': '20060904',
 304             'description': 'md5:71a74e1d8f392d88cf1bbe48879ad0b0',
 305             'thumbnail': r're:^http.*\.jpg',
 306         },
 307         'playlist_count': 23,
 308     }]
 309
 310     def _real_extract(self, url):
 311         album_id = self._match_id(url)
 312         webpage = self._download_webpage(f'https://music.163.com/album?id={album_id}', album_id)
 313
 314         songs = self._search_json(
 315             r'<textarea[^>]+\bid="song-list-pre-data"[^>]*>', webpage, 'metainfo', album_id,
 316             end_pattern=r'</textarea>', contains_pattern=r'\[(?s:.+)\]')
 317         metainfo = {
 318             'title': self._og_search_property('title', webpage, 'title', fatal=False),
 319             'description': self._html_search_regex(
 320                 (rf'<div[^>]+\bid="album-desc-{suffix}"[^>]*>(.*?)</div>' for suffix in ('more', 'dot')),
 321                 webpage, 'description', flags=re.S, fatal=False),
 322             'thumbnail': self._og_search_property('image', webpage, 'thumbnail', fatal=False),
 323             'upload_date': unified_strdate(self._html_search_meta('music:release_date', webpage, 'date', fatal=False)),
 324         }
 325         return self.playlist_result(self._get_entries(songs), album_id, **metainfo)
 326
 327
 328 class NetEaseMusicSingerIE(NetEaseMusicBaseIE):
 329     IE_NAME = 'netease:singer'
 330     IE_DESC = '网易云音乐 - 歌手'
 331     _VALID_URL = r'https?://music\.163\.com/(#/)?artist\?id=(?P<id>[0-9]+)'
 332     _TESTS = [{
 333         'note': 'Singer has aliases.',
 334         'url': 'http://music.163.com/#/artist?id=10559',
 335         'info_dict': {
 336             'id': '10559',
 337             'title': '张惠妹 - aMEI;阿妹;阿密特',
 338         },
 339         'playlist_count': 50,
 340     }, {
 341         'note': 'Singer has translated name.',
 342         'url': 'http://music.163.com/#/artist?id=124098',
 343         'info_dict': {
 344             'id': '124098',
 345             'title': '李昇基 - 이승기',
 346         },
 347         'playlist_count': 50,
 348     }, {
 349         'note': 'Singer with both translated and alias',
 350         'url': 'https://music.163.com/#/artist?id=159692',
 351         'info_dict': {
 352             'id': '159692',
 353             'title': '初音ミク - 初音未来;Hatsune Miku',
 354         },
 355         'playlist_count': 50,
 356     }]
 357
 358     def _real_extract(self, url):
 359         singer_id = self._match_id(url)
 360
 361         info = self.query_api(
 362             f'artist/{singer_id}?id={singer_id}', singer_id, note='Downloading singer data')
 363
 364         name = join_nonempty(
 365             traverse_obj(info, ('artist', 'name', {str})),
 366             join_nonempty(*traverse_obj(info, ('artist', ('trans', ('alias', ...)), {str})), delim=';'),
 367             delim=' - ')
 368
 369         return self.playlist_result(self._get_entries(info, 'hotSongs'), singer_id, name)
 370
 371
 372 class NetEaseMusicListIE(NetEaseMusicBaseIE):
 373     IE_NAME = 'netease:playlist'
 374     IE_DESC = '网易云音乐 - 歌单'
 375     _VALID_URL = r'https?://music\.163\.com/(#/)?(playlist|discover/toplist)\?id=(?P<id>[0-9]+)'
 376     _TESTS = [{
 377         'url': 'http://music.163.com/#/playlist?id=79177352',
 378         'info_dict': {
 379             'id': '79177352',
 380             'title': 'Billboard 2007 Top 100',
 381             'description': 'md5:12fd0819cab2965b9583ace0f8b7b022',
 382             'tags': ['欧美'],
 383             'uploader': '浑然破灭',
 384             'uploader_id': '67549805',
 385             'timestamp': int,
 386             'upload_date': r're:\d{8}',
 387         },
 388         'playlist_mincount': 95,
 389     }, {
 390         'note': 'Toplist/Charts sample',
 391         'url': 'https://music.163.com/#/discover/toplist?id=60198',
 392         'info_dict': {
 393             'id': '60198',
 394             'title': 're:美国Billboard榜 [0-9]{4}-[0-9]{2}-[0-9]{2}',
 395             'description': '美国Billboard排行榜',
 396             'tags': ['流行', '欧美', '榜单'],
 397             'uploader': 'Billboard公告牌',
 398             'uploader_id': '48171',
 399             'timestamp': int,
 400             'upload_date': r're:\d{8}',
 401         },
 402         'playlist_count': 100,
 403     }, {
 404         'note': 'Toplist/Charts sample',
 405         'url': 'http://music.163.com/#/discover/toplist?id=3733003',
 406         'info_dict': {
 407             'id': '3733003',
 408             'title': 're:韩国Melon排行榜周榜 [0-9]{4}-[0-9]{2}-[0-9]{2}',
 409             'description': 'md5:73ec782a612711cadc7872d9c1e134fc',
 410         },
 411         'playlist_count': 50,
 412         'skip': 'Blocked outside Mainland China',
 413     }]
 414
 415     def _real_extract(self, url):
 416         list_id = self._match_id(url)
 417
 418         info = self._download_eapi_json(
 419             '/v3/playlist/detail', list_id,
 420             {'id': list_id, 't': '-1', 'n': '500', 's': '0'},
 421             note='Downloading playlist info')
 422
 423         metainfo = traverse_obj(info, ('playlist', {
 424             'title': ('name', {str}),
 425             'description': ('description', {str}),
 426             'tags': ('tags', ..., {str}),
 427             'uploader': ('creator', 'nickname', {str}),
 428             'uploader_id': ('creator', 'userId', {str_or_none}),
 429             'timestamp': ('updateTime', {self.kilo_or_none}),
 430         }))
 431         if traverse_obj(info, ('playlist', 'specialType')) == 10:
 432             metainfo['title'] = f'{metainfo.get("title")} {strftime_or_none(metainfo.get("timestamp"), "%Y-%m-%d")}'
 433
 434         return self.playlist_result(self._get_entries(info, ('playlist', 'tracks')), list_id, **metainfo)
 435
 436
 437 class NetEaseMusicMvIE(NetEaseMusicBaseIE):
 438     IE_NAME = 'netease:mv'
 439     IE_DESC = '网易云音乐 - MV'
 440     _VALID_URL = r'https?://music\.163\.com/(#/)?mv\?id=(?P<id>[0-9]+)'
 441     _TESTS = [{
 442         'url': 'https://music.163.com/#/mv?id=10958064',
 443         'info_dict': {
 444             'id': '10958064',
 445             'ext': 'mp4',
 446             'title': '交换余生',
 447             'description': 'md5:e845872cff28820642a2b02eda428fea',
 448             'creator': '林俊杰',
 449             'upload_date': '20200916',
 450             'thumbnail': r're:http.*\.jpg',
 451             'duration': 364,
 452             'view_count': int,
 453             'like_count': int,
 454             'comment_count': int,
 455         },
 456     }, {
 457         'url': 'http://music.163.com/#/mv?id=415350',
 458         'info_dict': {
 459             'id': '415350',
 460             'ext': 'mp4',
 461             'title': '이럴거면 그러지말지',
 462             'description': '白雅言自作曲唱甜蜜爱情',
 463             'creator': '白娥娟',
 464             'upload_date': '20150520',
 465             'thumbnail': r're:http.*\.jpg',
 466             'duration': 216,
 467             'view_count': int,
 468             'like_count': int,
 469             'comment_count': int,
 470         },
 471     }]
 472
 473     def _real_extract(self, url):
 474         mv_id = self._match_id(url)
 475
 476         info = self.query_api(
 477             f'mv/detail?id={mv_id}&type=mp4', mv_id, 'Downloading mv info')['data']
 478
 479         formats = [
 480             {'url': mv_url, 'ext': 'mp4', 'format_id': f'{brs}p', 'height': int_or_none(brs)}
 481             for brs, mv_url in info['brs'].items()
 482         ]
 483
 484         return {
 485             'id': mv_id,
 486             'formats': formats,
 487             **traverse_obj(info, {
 488                 'title': ('name', {str}),
 489                 'description': (('desc', 'briefDesc'), {str}, {lambda x: x or None}),
 490                 'creator': ('artistName', {str}),
 491                 'upload_date': ('publishTime', {unified_strdate}),
 492                 'thumbnail': ('cover', {url_or_none}),
 493                 'duration': ('duration', {self.kilo_or_none}),
 494                 'view_count': ('playCount', {int_or_none}),
 495                 'like_count': ('likeCount', {int_or_none}),
 496                 'comment_count': ('commentCount', {int_or_none}),
 497             }, get_all=False),
 498         }
 499
 500
 501 class NetEaseMusicProgramIE(NetEaseMusicBaseIE):
 502     IE_NAME = 'netease:program'
 503     IE_DESC = '网易云音乐 - 电台节目'
 504     _VALID_URL = r'https?://music\.163\.com/(#/?)program\?id=(?P<id>[0-9]+)'
 505     _TESTS = [{
 506         'url': 'http://music.163.com/#/program?id=10109055',
 507         'info_dict': {
 508             'id': '32593346',
 509             'ext': 'mp3',
 510             'title': '不丹足球背后的故事',
 511             'description': '喜马拉雅人的足球梦 ...',
 512             'creator': '大话西藏',
 513             'timestamp': 1434179287,
 514             'upload_date': '20150613',
 515             'thumbnail': r're:http.*\.jpg',
 516             'duration': 900,
 517         },
 518     }, {
 519         'note': 'This program has accompanying songs.',
 520         'url': 'http://music.163.com/#/program?id=10141022',
 521         'info_dict': {
 522             'id': '10141022',
 523             'title': '滚滚电台的有声节目',
 524             'description': 'md5:8d594db46cc3e6509107ede70a4aaa3b',
 525             'creator': '滚滚电台ORZ',
 526             'timestamp': 1434450733,
 527             'upload_date': '20150616',
 528             'thumbnail': r're:http.*\.jpg',
 529         },
 530         'playlist_count': 4,
 531     }, {
 532         'note': 'This program has accompanying songs.',
 533         'url': 'http://music.163.com/#/program?id=10141022',
 534         'info_dict': {
 535             'id': '32647209',
 536             'ext': 'mp3',
 537             'title': '滚滚电台的有声节目',
 538             'description': 'md5:8d594db46cc3e6509107ede70a4aaa3b',
 539             'creator': '滚滚电台ORZ',
 540             'timestamp': 1434450733,
 541             'upload_date': '20150616',
 542             'thumbnail': r're:http.*\.jpg',
 543             'duration': 1104,
 544         },
 545         'params': {
 546             'noplaylist': True,
 547         },
 548     }]
 549
 550     def _real_extract(self, url):
 551         program_id = self._match_id(url)
 552
 553         info = self.query_api(
 554             f'dj/program/detail?id={program_id}', program_id, note='Downloading program info')['program']
 555
 556         metainfo = traverse_obj(info, {
 557             'title': ('name', {str}),
 558             'description': ('description', {str}),
 559             'creator': ('dj', 'brand', {str}),
 560             'thumbnail': ('coverUrl', {url_or_none}),
 561             'timestamp': ('createTime', {self.kilo_or_none}),
 562         })
 563
 564         if not self._yes_playlist(
 565                 info['songs'] and program_id, info['mainSong']['id'], playlist_label='program', video_label='song'):
 566             formats = self.extract_formats(info['mainSong'])
 567
 568             return {
 569                 'id': str(info['mainSong']['id']),
 570                 'formats': formats,
 571                 'duration': traverse_obj(info, ('mainSong', 'duration', {self.kilo_or_none})),
 572                 **metainfo,
 573             }
 574
 575         songs = traverse_obj(info, (('mainSong', ('songs', ...)),))
 576         return self.playlist_result(self._get_entries(songs), program_id, **metainfo)
 577
 578
 579 class NetEaseMusicDjRadioIE(NetEaseMusicBaseIE):
 580     IE_NAME = 'netease:djradio'
 581     IE_DESC = '网易云音乐 - 电台'
 582     _VALID_URL = r'https?://music\.163\.com/(#/)?djradio\?id=(?P<id>[0-9]+)'
 583     _TEST = {
 584         'url': 'http://music.163.com/#/djradio?id=42',
 585         'info_dict': {
 586             'id': '42',
 587             'title': '声音蔓延',
 588             'description': 'md5:c7381ebd7989f9f367668a5aee7d5f08',
 589         },
 590         'playlist_mincount': 40,
 591     }
 592     _PAGE_SIZE = 1000
 593
 594     def _real_extract(self, url):
 595         dj_id = self._match_id(url)
 596
 597         metainfo = {}
 598         entries = []
 599         for offset in itertools.count(start=0, step=self._PAGE_SIZE):
 600             info = self.query_api(
 601                 f'dj/program/byradio?asc=false&limit={self._PAGE_SIZE}&radioId={dj_id}&offset={offset}',
 602                 dj_id, note=f'Downloading dj programs - {offset}')
 603
 604             entries.extend(self.url_result(
 605                 f'http://music.163.com/#/program?id={program["id"]}', NetEaseMusicProgramIE,
 606                 program['id'], program.get('name')) for program in info['programs'])
 607             if not metainfo:
 608                 metainfo = traverse_obj(info, ('programs', 0, 'radio', {
 609                     'title': ('name', {str}),
 610                     'description': ('desc', {str}),
 611                 }))
 612
 613             if not info['more']:
 614                 break
 615
 616         return self.playlist_result(entries, dj_id, **metainfo)