yt_dlp/extractor/niconico.py

   1 # coding: utf-8
   2 from __future__ import unicode_literals
   3
   4 import datetime
   5 import functools
   6 import itertools
   7 import json
   8 import re
   9 import time
  10
  11 from .common import InfoExtractor, SearchInfoExtractor
  12 from ..compat import (
  13     compat_parse_qs,
  14     compat_urllib_parse_urlparse,
  15     compat_HTTPError,
  16 )
  17 from ..utils import (
  18     ExtractorError,
  19     OnDemandPagedList,
  20     bug_reports_message,
  21     clean_html,
  22     float_or_none,
  23     int_or_none,
  24     join_nonempty,
  25     parse_duration,
  26     parse_filesize,
  27     parse_iso8601,
  28     parse_resolution,
  29     qualities,
  30     remove_start,
  31     str_or_none,
  32     traverse_obj,
  33     try_get,
  34     unescapeHTML,
  35     update_url_query,
  36     url_or_none,
  37     urlencode_postdata,
  38 )
  39
  40
  41 class NiconicoIE(InfoExtractor):
  42     IE_NAME = 'niconico'
  43     IE_DESC = 'ニコニコ動画'
  44
  45     _TESTS = [{
  46         'url': 'http://www.nicovideo.jp/watch/sm22312215',
  47         'md5': 'd1a75c0823e2f629128c43e1212760f9',
  48         'info_dict': {
  49             'id': 'sm22312215',
  50             'ext': 'mp4',
  51             'title': 'Big Buck Bunny',
  52             'thumbnail': r're:https?://.*',
  53             'uploader': 'takuya0301',
  54             'uploader_id': '2698420',
  55             'upload_date': '20131123',
  56             'timestamp': int,  # timestamp is unstable
  57             'description': '(c) copyright 2008, Blender Foundation / www.bigbuckbunny.org',
  58             'duration': 33,
  59             'view_count': int,
  60             'comment_count': int,
  61         },
  62         'skip': 'Requires an account',
  63     }, {
  64         # File downloaded with and without credentials are different, so omit
  65         # the md5 field
  66         'url': 'http://www.nicovideo.jp/watch/nm14296458',
  67         'info_dict': {
  68             'id': 'nm14296458',
  69             'ext': 'swf',
  70             'title': '【鏡音リン】Dance on media【オリジナル】take2!',
  71             'description': 'md5:689f066d74610b3b22e0f1739add0f58',
  72             'thumbnail': r're:https?://.*',
  73             'uploader': 'りょうた',
  74             'uploader_id': '18822557',
  75             'upload_date': '20110429',
  76             'timestamp': 1304065916,
  77             'duration': 209,
  78         },
  79         'skip': 'Requires an account',
  80     }, {
  81         # 'video exists but is marked as "deleted"
  82         # md5 is unstable
  83         'url': 'http://www.nicovideo.jp/watch/sm10000',
  84         'info_dict': {
  85             'id': 'sm10000',
  86             'ext': 'unknown_video',
  87             'description': 'deleted',
  88             'title': 'ドラえもんエターナル第3話「決戦第3新東京市」＜前編＞',
  89             'thumbnail': r're:https?://.*',
  90             'upload_date': '20071224',
  91             'timestamp': int,  # timestamp field has different value if logged in
  92             'duration': 304,
  93             'view_count': int,
  94         },
  95         'skip': 'Requires an account',
  96     }, {
  97         'url': 'http://www.nicovideo.jp/watch/so22543406',
  98         'info_dict': {
  99             'id': '1388129933',
 100             'ext': 'mp4',
 101             'title': '【第1回】RADIOアニメロミックス ラブライブ！～のぞえりRadio Garden～',
 102             'description': 'md5:b27d224bb0ff53d3c8269e9f8b561cf1',
 103             'thumbnail': r're:https?://.*',
 104             'timestamp': 1388851200,
 105             'upload_date': '20140104',
 106             'uploader': 'アニメロチャンネル',
 107             'uploader_id': '312',
 108         },
 109         'skip': 'The viewing period of the video you were searching for has expired.',
 110     }, {
 111         # video not available via `getflv`; "old" HTML5 video
 112         'url': 'http://www.nicovideo.jp/watch/sm1151009',
 113         'md5': '8fa81c364eb619d4085354eab075598a',
 114         'info_dict': {
 115             'id': 'sm1151009',
 116             'ext': 'mp4',
 117             'title': 'マスターシステム本体内蔵のスペハリのメインテーマ（ＰＳＧ版）',
 118             'description': 'md5:6ee077e0581ff5019773e2e714cdd0b7',
 119             'thumbnail': r're:https?://.*',
 120             'duration': 184,
 121             'timestamp': 1190868283,
 122             'upload_date': '20070927',
 123             'uploader': 'denden2',
 124             'uploader_id': '1392194',
 125             'view_count': int,
 126             'comment_count': int,
 127         },
 128         'skip': 'Requires an account',
 129     }, {
 130         # "New" HTML5 video
 131         # md5 is unstable
 132         'url': 'http://www.nicovideo.jp/watch/sm31464864',
 133         'info_dict': {
 134             'id': 'sm31464864',
 135             'ext': 'mp4',
 136             'title': '新作TVアニメ「戦姫絶唱シンフォギアAXZ」PV 最高画質',
 137             'description': 'md5:e52974af9a96e739196b2c1ca72b5feb',
 138             'timestamp': 1498514060,
 139             'upload_date': '20170626',
 140             'uploader': 'ゲスト',
 141             'uploader_id': '40826363',
 142             'thumbnail': r're:https?://.*',
 143             'duration': 198,
 144             'view_count': int,
 145             'comment_count': int,
 146         },
 147         'skip': 'Requires an account',
 148     }, {
 149         # Video without owner
 150         'url': 'http://www.nicovideo.jp/watch/sm18238488',
 151         'md5': 'd265680a1f92bdcbbd2a507fc9e78a9e',
 152         'info_dict': {
 153             'id': 'sm18238488',
 154             'ext': 'mp4',
 155             'title': '【実写版】ミュータントタートルズ',
 156             'description': 'md5:15df8988e47a86f9e978af2064bf6d8e',
 157             'timestamp': 1341160408,
 158             'upload_date': '20120701',
 159             'uploader': None,
 160             'uploader_id': None,
 161             'thumbnail': r're:https?://.*',
 162             'duration': 5271,
 163             'view_count': int,
 164             'comment_count': int,
 165         },
 166         'skip': 'Requires an account',
 167     }, {
 168         'url': 'http://sp.nicovideo.jp/watch/sm28964488?ss_pos=1&cp_in=wt_tg',
 169         'only_matching': True,
 170     }, {
 171         'note': 'a video that is only served as an ENCRYPTED HLS.',
 172         'url': 'https://www.nicovideo.jp/watch/so38016254',
 173         'only_matching': True,
 174     }]
 175
 176     _VALID_URL = r'https?://(?:(?:www\.|secure\.|sp\.)?nicovideo\.jp/watch|nico\.ms)/(?P<id>(?:[a-z]{2})?[0-9]+)'
 177     _NETRC_MACHINE = 'niconico'
 178     _COMMENT_API_ENDPOINTS = (
 179         'https://nvcomment.nicovideo.jp/legacy/api.json',
 180         'https://nmsg.nicovideo.jp/api.json',)
 181     _API_HEADERS = {
 182         'X-Frontend-ID': '6',
 183         'X-Frontend-Version': '0',
 184         'X-Niconico-Language': 'en-us',
 185         'Referer': 'https://www.nicovideo.jp/',
 186         'Origin': 'https://www.nicovideo.jp',
 187     }
 188
 189     def _perform_login(self, username, password):
 190         login_ok = True
 191         login_form_strs = {
 192             'mail_tel': username,
 193             'password': password,
 194         }
 195         self._request_webpage(
 196             'https://account.nicovideo.jp/login', None,
 197             note='Acquiring Login session')
 198         urlh = self._request_webpage(
 199             'https://account.nicovideo.jp/login/redirector?show_button_twitter=1&site=niconico&show_button_facebook=1', None,
 200             note='Logging in', errnote='Unable to log in',
 201             data=urlencode_postdata(login_form_strs),
 202             headers={
 203                 'Referer': 'https://account.nicovideo.jp/login',
 204                 'Content-Type': 'application/x-www-form-urlencoded',
 205             })
 206         if urlh is False:
 207             login_ok = False
 208         else:
 209             parts = compat_urllib_parse_urlparse(urlh.geturl())
 210             if compat_parse_qs(parts.query).get('message', [None])[0] == 'cant_login':
 211                 login_ok = False
 212         if not login_ok:
 213             self.report_warning('unable to log in: bad username or password')
 214         return login_ok
 215
 216     def _get_heartbeat_info(self, info_dict):
 217         video_id, video_src_id, audio_src_id = info_dict['url'].split(':')[1].split('/')
 218         dmc_protocol = info_dict['_expected_protocol']
 219
 220         api_data = (
 221             info_dict.get('_api_data')
 222             or self._parse_json(
 223                 self._html_search_regex(
 224                     'data-api-data="([^"]+)"',
 225                     self._download_webpage('http://www.nicovideo.jp/watch/' + video_id, video_id),
 226                     'API data', default='{}'),
 227                 video_id))
 228
 229         session_api_data = try_get(api_data, lambda x: x['media']['delivery']['movie']['session'])
 230         session_api_endpoint = try_get(session_api_data, lambda x: x['urls'][0])
 231
 232         def ping():
 233             tracking_id = traverse_obj(api_data, ('media', 'delivery', 'trackingId'))
 234             if tracking_id:
 235                 tracking_url = update_url_query('https://nvapi.nicovideo.jp/v1/2ab0cbaa/watch', {'t': tracking_id})
 236                 watch_request_response = self._download_json(
 237                     tracking_url, video_id,
 238                     note='Acquiring permission for downloading video', fatal=False,
 239                     headers=self._API_HEADERS)
 240                 if traverse_obj(watch_request_response, ('meta', 'status')) != 200:
 241                     self.report_warning('Failed to acquire permission for playing video. Video download may fail.')
 242
 243         yesno = lambda x: 'yes' if x else 'no'
 244
 245         if dmc_protocol == 'http':
 246             protocol = 'http'
 247             protocol_parameters = {
 248                 'http_output_download_parameters': {
 249                     'use_ssl': yesno(session_api_data['urls'][0]['isSsl']),
 250                     'use_well_known_port': yesno(session_api_data['urls'][0]['isWellKnownPort']),
 251                 }
 252             }
 253         elif dmc_protocol == 'hls':
 254             protocol = 'm3u8'
 255             segment_duration = try_get(self._configuration_arg('segment_duration'), lambda x: int(x[0])) or 6000
 256             parsed_token = self._parse_json(session_api_data['token'], video_id)
 257             encryption = traverse_obj(api_data, ('media', 'delivery', 'encryption'))
 258             protocol_parameters = {
 259                 'hls_parameters': {
 260                     'segment_duration': segment_duration,
 261                     'transfer_preset': '',
 262                     'use_ssl': yesno(session_api_data['urls'][0]['isSsl']),
 263                     'use_well_known_port': yesno(session_api_data['urls'][0]['isWellKnownPort']),
 264                 }
 265             }
 266             if 'hls_encryption' in parsed_token and encryption:
 267                 protocol_parameters['hls_parameters']['encryption'] = {
 268                     parsed_token['hls_encryption']: {
 269                         'encrypted_key': encryption['encryptedKey'],
 270                         'key_uri': encryption['keyUri'],
 271                     }
 272                 }
 273             else:
 274                 protocol = 'm3u8_native'
 275         else:
 276             raise ExtractorError(f'Unsupported DMC protocol: {dmc_protocol}')
 277
 278         session_response = self._download_json(
 279             session_api_endpoint['url'], video_id,
 280             query={'_format': 'json'},
 281             headers={'Content-Type': 'application/json'},
 282             note='Downloading JSON metadata for %s' % info_dict['format_id'],
 283             data=json.dumps({
 284                 'session': {
 285                     'client_info': {
 286                         'player_id': session_api_data.get('playerId'),
 287                     },
 288                     'content_auth': {
 289                         'auth_type': try_get(session_api_data, lambda x: x['authTypes'][session_api_data['protocols'][0]]),
 290                         'content_key_timeout': session_api_data.get('contentKeyTimeout'),
 291                         'service_id': 'nicovideo',
 292                         'service_user_id': session_api_data.get('serviceUserId')
 293                     },
 294                     'content_id': session_api_data.get('contentId'),
 295                     'content_src_id_sets': [{
 296                         'content_src_ids': [{
 297                             'src_id_to_mux': {
 298                                 'audio_src_ids': [audio_src_id],
 299                                 'video_src_ids': [video_src_id],
 300                             }
 301                         }]
 302                     }],
 303                     'content_type': 'movie',
 304                     'content_uri': '',
 305                     'keep_method': {
 306                         'heartbeat': {
 307                             'lifetime': session_api_data.get('heartbeatLifetime')
 308                         }
 309                     },
 310                     'priority': session_api_data['priority'],
 311                     'protocol': {
 312                         'name': 'http',
 313                         'parameters': {
 314                             'http_parameters': {
 315                                 'parameters': protocol_parameters
 316                             }
 317                         }
 318                     },
 319                     'recipe_id': session_api_data.get('recipeId'),
 320                     'session_operation_auth': {
 321                         'session_operation_auth_by_signature': {
 322                             'signature': session_api_data.get('signature'),
 323                             'token': session_api_data.get('token'),
 324                         }
 325                     },
 326                     'timing_constraint': 'unlimited'
 327                 }
 328             }).encode())
 329
 330         info_dict['url'] = session_response['data']['session']['content_uri']
 331         info_dict['protocol'] = protocol
 332
 333         # get heartbeat info
 334         heartbeat_info_dict = {
 335             'url': session_api_endpoint['url'] + '/' + session_response['data']['session']['id'] + '?_format=json&_method=PUT',
 336             'data': json.dumps(session_response['data']),
 337             # interval, convert milliseconds to seconds, then halve to make a buffer.
 338             'interval': float_or_none(session_api_data.get('heartbeatLifetime'), scale=3000),
 339             'ping': ping
 340         }
 341
 342         return info_dict, heartbeat_info_dict
 343
 344     def _extract_format_for_quality(self, video_id, audio_quality, video_quality, dmc_protocol):
 345
 346         if not audio_quality.get('isAvailable') or not video_quality.get('isAvailable'):
 347             return None
 348
 349         def extract_video_quality(video_quality):
 350             return parse_filesize('%sB' % self._search_regex(
 351                 r'\| ([0-9]*\.?[0-9]*[MK])', video_quality, 'vbr', default=''))
 352
 353         format_id = '-'.join(
 354             [remove_start(s['id'], 'archive_') for s in (video_quality, audio_quality)] + [dmc_protocol])
 355
 356         vid_qual_label = traverse_obj(video_quality, ('metadata', 'label'))
 357         vid_quality = traverse_obj(video_quality, ('metadata', 'bitrate'))
 358
 359         return {
 360             'url': 'niconico_dmc:%s/%s/%s' % (video_id, video_quality['id'], audio_quality['id']),
 361             'format_id': format_id,
 362             'format_note': join_nonempty('DMC', vid_qual_label, dmc_protocol.upper(), delim=' '),
 363             'ext': 'mp4',  # Session API are used in HTML5, which always serves mp4
 364             'acodec': 'aac',
 365             'vcodec': 'h264',
 366             'abr': float_or_none(traverse_obj(audio_quality, ('metadata', 'bitrate')), 1000),
 367             'vbr': float_or_none(vid_quality if vid_quality > 0 else extract_video_quality(vid_qual_label), 1000),
 368             'height': traverse_obj(video_quality, ('metadata', 'resolution', 'height')),
 369             'width': traverse_obj(video_quality, ('metadata', 'resolution', 'width')),
 370             'quality': -2 if 'low' in video_quality['id'] else None,
 371             'protocol': 'niconico_dmc',
 372             '_expected_protocol': dmc_protocol,
 373             'http_headers': {
 374                 'Origin': 'https://www.nicovideo.jp',
 375                 'Referer': 'https://www.nicovideo.jp/watch/' + video_id,
 376             }
 377         }
 378
 379     def _real_extract(self, url):
 380         video_id = self._match_id(url)
 381
 382         try:
 383             webpage, handle = self._download_webpage_handle(
 384                 'http://www.nicovideo.jp/watch/' + video_id, video_id)
 385             if video_id.startswith('so'):
 386                 video_id = self._match_id(handle.geturl())
 387
 388             api_data = self._parse_json(self._html_search_regex(
 389                 'data-api-data="([^"]+)"', webpage,
 390                 'API data', default='{}'), video_id)
 391         except ExtractorError as e:
 392             try:
 393                 api_data = self._download_json(
 394                     'https://www.nicovideo.jp/api/watch/v3/%s?_frontendId=6&_frontendVersion=0&actionTrackId=AAAAAAAAAA_%d' % (video_id, round(time.time() * 1000)), video_id,
 395                     note='Downloading API JSON', errnote='Unable to fetch data')['data']
 396             except ExtractorError:
 397                 if not isinstance(e.cause, compat_HTTPError):
 398                     raise
 399                 webpage = e.cause.read().decode('utf-8', 'replace')
 400                 error_msg = self._html_search_regex(
 401                     r'(?s)<section\s+class="(?:(?:ErrorMessage|WatchExceptionPage-message)\s*)+">(.+?)</section>',
 402                     webpage, 'error reason', default=None)
 403                 if not error_msg:
 404                     raise
 405                 raise ExtractorError(re.sub(r'\s+', ' ', error_msg), expected=True)
 406
 407         formats = []
 408
 409         def get_video_info(*items, get_first=True, **kwargs):
 410             return traverse_obj(api_data, ('video', *items), get_all=not get_first, **kwargs)
 411
 412         quality_info = api_data['media']['delivery']['movie']
 413         session_api_data = quality_info['session']
 414         for (audio_quality, video_quality, protocol) in itertools.product(quality_info['audios'], quality_info['videos'], session_api_data['protocols']):
 415             fmt = self._extract_format_for_quality(video_id, audio_quality, video_quality, protocol)
 416             if fmt:
 417                 formats.append(fmt)
 418
 419         self._sort_formats(formats)
 420
 421         # Start extracting information
 422         tags = None
 423         if webpage:
 424             # use og:video:tag (not logged in)
 425             og_video_tags = re.finditer(r'<meta\s+property="og:video:tag"\s*content="(.*?)">', webpage)
 426             tags = list(filter(None, (clean_html(x.group(1)) for x in og_video_tags)))
 427             if not tags:
 428                 # use keywords and split with comma (not logged in)
 429                 kwds = self._html_search_meta('keywords', webpage, default=None)
 430                 if kwds:
 431                     tags = [x for x in kwds.split(',') if x]
 432         if not tags:
 433             # find in json (logged in)
 434             tags = traverse_obj(api_data, ('tag', 'items', ..., 'name'))
 435
 436         thumb_prefs = qualities(['url', 'middleUrl', 'largeUrl', 'player', 'ogp'])
 437
 438         return {
 439             'id': video_id,
 440             '_api_data': api_data,
 441             'title': get_video_info(('originalTitle', 'title')) or self._og_search_title(webpage, default=None),
 442             'formats': formats,
 443             'thumbnails': [{
 444                 'id': key,
 445                 'url': url,
 446                 'ext': 'jpg',
 447                 'preference': thumb_prefs(key),
 448                 **parse_resolution(url, lenient=True),
 449             } for key, url in (get_video_info('thumbnail') or {}).items() if url],
 450             'description': clean_html(get_video_info('description')),
 451             'uploader': traverse_obj(api_data, ('owner', 'nickname'), ('channel', 'name'), ('community', 'name')),
 452             'uploader_id': str_or_none(traverse_obj(api_data, ('owner', 'id'), ('channel', 'id'), ('community', 'id'))),
 453             'timestamp': parse_iso8601(get_video_info('registeredAt')) or parse_iso8601(
 454                 self._html_search_meta('video:release_date', webpage, 'date published', default=None)),
 455             'channel': traverse_obj(api_data, ('channel', 'name'), ('community', 'name')),
 456             'channel_id': traverse_obj(api_data, ('channel', 'id'), ('community', 'id')),
 457             'view_count': int_or_none(get_video_info('count', 'view')),
 458             'tags': tags,
 459             'genre': traverse_obj(api_data, ('genre', 'label'), ('genre', 'key')),
 460             'comment_count': get_video_info('count', 'comment', expected_type=int),
 461             'duration': (
 462                 parse_duration(self._html_search_meta('video:duration', webpage, 'video duration', default=None))
 463                 or get_video_info('duration')),
 464             'webpage_url': url_or_none(url) or f'https://www.nicovideo.jp/watch/{video_id}',
 465             'subtitles': self.extract_subtitles(video_id, api_data, session_api_data),
 466         }
 467
 468     def _get_subtitles(self, video_id, api_data, session_api_data):
 469         comment_user_key = traverse_obj(api_data, ('comment', 'keys', 'userKey'))
 470         user_id_str = session_api_data.get('serviceUserId')
 471
 472         thread_ids = [x for x in traverse_obj(api_data, ('comment', 'threads')) or [] if x['isActive']]
 473         raw_danmaku = self._extract_all_comments(video_id, thread_ids, user_id_str, comment_user_key)
 474         if not raw_danmaku:
 475             self.report_warning(f'Failed to get comments. {bug_reports_message()}')
 476             return
 477         return {
 478             'comments': [{
 479                 'ext': 'json',
 480                 'data': json.dumps(raw_danmaku),
 481             }],
 482         }
 483
 484     def _extract_all_comments(self, video_id, threads, user_id, user_key):
 485         auth_data = {
 486             'user_id': user_id,
 487             'userkey': user_key,
 488         } if user_id and user_key else {'user_id': ''}
 489
 490         # Request Start
 491         post_data = [{'ping': {'content': 'rs:0'}}]
 492         for i, thread in enumerate(threads):
 493             thread_id = thread['id']
 494             thread_fork = thread['fork']
 495             # Post Start (2N)
 496             post_data.append({'ping': {'content': f'ps:{i * 2}'}})
 497             post_data.append({'thread': {
 498                 'fork': thread_fork,
 499                 'language': 0,
 500                 'nicoru': 3,
 501                 'scores': 1,
 502                 'thread': thread_id,
 503                 'version': '20090904',
 504                 'with_global': 1,
 505                 **auth_data,
 506             }})
 507             # Post Final (2N)
 508             post_data.append({'ping': {'content': f'pf:{i * 2}'}})
 509
 510             # Post Start (2N+1)
 511             post_data.append({'ping': {'content': f'ps:{i * 2 + 1}'}})
 512             post_data.append({'thread_leaves': {
 513                 # format is '<bottom of minute range>-<top of minute range>:<comments per minute>,<total last comments'
 514                 # unfortunately NND limits (deletes?) comment returns this way, so you're only able to grab the last 1000 per language
 515                 'content': '0-999999:999999,999999,nicoru:999999',
 516                 'fork': thread_fork,
 517                 'language': 0,
 518                 'nicoru': 3,
 519                 'scores': 1,
 520                 'thread': thread_id,
 521                 **auth_data,
 522             }})
 523             # Post Final (2N+1)
 524             post_data.append({'ping': {'content': f'pf:{i * 2 + 1}'}})
 525         # Request Final
 526         post_data.append({'ping': {'content': 'rf:0'}})
 527
 528         for api_url in self._COMMENT_API_ENDPOINTS:
 529             comments = self._download_json(
 530                 api_url, video_id, data=json.dumps(post_data).encode(), fatal=False,
 531                 headers={
 532                     'Referer': 'https://www.nicovideo.jp/watch/%s' % video_id,
 533                     'Origin': 'https://www.nicovideo.jp',
 534                     'Content-Type': 'text/plain;charset=UTF-8',
 535                 },
 536                 note='Downloading comments', errnote=f'Failed to access endpoint {api_url}')
 537             if comments:
 538                 return comments
 539
 540
 541 class NiconicoPlaylistBaseIE(InfoExtractor):
 542     _PAGE_SIZE = 100
 543
 544     _API_HEADERS = {
 545         'X-Frontend-ID': '6',
 546         'X-Frontend-Version': '0',
 547         'X-Niconico-Language': 'en-us'
 548     }
 549
 550     def _call_api(self, list_id, resource, query):
 551         "Implement this in child class"
 552         pass
 553
 554     @staticmethod
 555     def _parse_owner(item):
 556         return {
 557             'uploader': traverse_obj(item, ('owner', 'name')),
 558             'uploader_id': traverse_obj(item, ('owner', 'id')),
 559         }
 560
 561     def _fetch_page(self, list_id, page):
 562         page += 1
 563         resp = self._call_api(list_id, 'page %d' % page, {
 564             'page': page,
 565             'pageSize': self._PAGE_SIZE,
 566         })
 567         # this is needed to support both mylist and user
 568         for video in traverse_obj(resp, ('items', ..., ('video', None))) or []:
 569             video_id = video.get('id')
 570             if not video_id:
 571                 # skip {"video": {"id": "blablabla", ...}}
 572                 continue
 573             count = video.get('count') or {}
 574             get_count = lambda x: int_or_none(count.get(x))
 575             yield {
 576                 '_type': 'url',
 577                 'id': video_id,
 578                 'title': video.get('title'),
 579                 'url': f'https://www.nicovideo.jp/watch/{video_id}',
 580                 'description': video.get('shortDescription'),
 581                 'duration': int_or_none(video.get('duration')),
 582                 'view_count': get_count('view'),
 583                 'comment_count': get_count('comment'),
 584                 'thumbnail': traverse_obj(video, ('thumbnail', ('nHdUrl', 'largeUrl', 'listingUrl', 'url'))),
 585                 'ie_key': NiconicoIE.ie_key(),
 586                 **self._parse_owner(video),
 587             }
 588
 589     def _entries(self, list_id):
 590         return OnDemandPagedList(functools.partial(self._fetch_page, list_id), self._PAGE_SIZE)
 591
 592
 593 class NiconicoPlaylistIE(NiconicoPlaylistBaseIE):
 594     IE_NAME = 'niconico:playlist'
 595     _VALID_URL = r'https?://(?:(?:www\.|sp\.)?nicovideo\.jp|nico\.ms)/(?:user/\d+/)?(?:my/)?mylist/(?:#/)?(?P<id>\d+)'
 596
 597     _TESTS = [{
 598         'url': 'http://www.nicovideo.jp/mylist/27411728',
 599         'info_dict': {
 600             'id': '27411728',
 601             'title': 'AKB48のオールナイトニッポン',
 602             'description': 'md5:d89694c5ded4b6c693dea2db6e41aa08',
 603             'uploader': 'のっく',
 604             'uploader_id': '805442',
 605         },
 606         'playlist_mincount': 291,
 607     }, {
 608         'url': 'https://www.nicovideo.jp/user/805442/mylist/27411728',
 609         'only_matching': True,
 610     }, {
 611         'url': 'https://www.nicovideo.jp/my/mylist/#/68048635',
 612         'only_matching': True,
 613     }]
 614
 615     def _call_api(self, list_id, resource, query):
 616         return self._download_json(
 617             f'https://nvapi.nicovideo.jp/v2/mylists/{list_id}', list_id,
 618             f'Downloading {resource}', query=query,
 619             headers=self._API_HEADERS)['data']['mylist']
 620
 621     def _real_extract(self, url):
 622         list_id = self._match_id(url)
 623         mylist = self._call_api(list_id, 'list', {
 624             'pageSize': 1,
 625         })
 626         return self.playlist_result(
 627             self._entries(list_id), list_id,
 628             mylist.get('name'), mylist.get('description'), **self._parse_owner(mylist))
 629
 630
 631 class NiconicoSeriesIE(InfoExtractor):
 632     IE_NAME = 'niconico:series'
 633     _VALID_URL = r'https?://(?:(?:www\.|sp\.)?nicovideo\.jp|nico\.ms)/series/(?P<id>\d+)'
 634
 635     _TESTS = [{
 636         'url': 'https://www.nicovideo.jp/series/110226',
 637         'info_dict': {
 638             'id': '110226',
 639             'title': 'ご立派ァ！のシリーズ',
 640         },
 641         'playlist_mincount': 10,  # as of 2021/03/17
 642     }, {
 643         'url': 'https://www.nicovideo.jp/series/12312/',
 644         'info_dict': {
 645             'id': '12312',
 646             'title': 'バトルスピリッツ　お勧めカード紹介(調整中)',
 647         },
 648         'playlist_mincount': 97,  # as of 2021/03/17
 649     }, {
 650         'url': 'https://nico.ms/series/203559',
 651         'only_matching': True,
 652     }]
 653
 654     def _real_extract(self, url):
 655         list_id = self._match_id(url)
 656         webpage = self._download_webpage(f'https://www.nicovideo.jp/series/{list_id}', list_id)
 657
 658         title = self._search_regex(
 659             (r'<title>「(.+)（全',
 660              r'<div class="TwitterShareButton"\s+data-text="(.+)\s+https:'),
 661             webpage, 'title', fatal=False)
 662         if title:
 663             title = unescapeHTML(title)
 664         playlist = [
 665             self.url_result(f'https://www.nicovideo.jp/watch/{v_id}', video_id=v_id)
 666             for v_id in re.findall(r'href="/watch/([a-z0-9]+)" data-href="/watch/\1', webpage)]
 667         return self.playlist_result(playlist, list_id, title)
 668
 669
 670 class NiconicoHistoryIE(NiconicoPlaylistBaseIE):
 671     IE_NAME = 'niconico:history'
 672     IE_DESC = 'NicoNico user history. Requires cookies.'
 673     _VALID_URL = r'https?://(?:www\.|sp\.)?nicovideo\.jp/my/history'
 674
 675     _TESTS = [{
 676         'note': 'PC page, with /video',
 677         'url': 'https://www.nicovideo.jp/my/history/video',
 678         'only_matching': True,
 679     }, {
 680         'note': 'PC page, without /video',
 681         'url': 'https://www.nicovideo.jp/my/history',
 682         'only_matching': True,
 683     }, {
 684         'note': 'mobile page, with /video',
 685         'url': 'https://sp.nicovideo.jp/my/history/video',
 686         'only_matching': True,
 687     }, {
 688         'note': 'mobile page, without /video',
 689         'url': 'https://sp.nicovideo.jp/my/history',
 690         'only_matching': True,
 691     }]
 692
 693     def _call_api(self, list_id, resource, query):
 694         return self._download_json(
 695             'https://nvapi.nicovideo.jp/v1/users/me/watch/history', 'history',
 696             f'Downloading {resource}', query=query,
 697             headers=self._API_HEADERS)['data']
 698
 699     def _real_extract(self, url):
 700         list_id = 'history'
 701         try:
 702             mylist = self._call_api(list_id, 'list', {
 703                 'pageSize': 1,
 704             })
 705         except ExtractorError as e:
 706             if isinstance(e.cause, compat_HTTPError) and e.cause.code == 401:
 707                 self.raise_login_required('You have to be logged in to get your watch history')
 708             raise
 709         return self.playlist_result(self._entries(list_id), list_id, **self._parse_owner(mylist))
 710
 711
 712 class NicovideoSearchBaseIE(InfoExtractor):
 713     _SEARCH_TYPE = 'search'
 714
 715     def _entries(self, url, item_id, query=None, note='Downloading page %(page)s'):
 716         query = query or {}
 717         pages = [query['page']] if 'page' in query else itertools.count(1)
 718         for page_num in pages:
 719             query['page'] = str(page_num)
 720             webpage = self._download_webpage(url, item_id, query=query, note=note % {'page': page_num})
 721             results = re.findall(r'(?<=data-video-id=)["\']?(?P<videoid>.*?)(?=["\'])', webpage)
 722             for item in results:
 723                 yield self.url_result(f'http://www.nicovideo.jp/watch/{item}', 'Niconico', item)
 724             if not results:
 725                 break
 726
 727     def _search_results(self, query):
 728         return self._entries(
 729             self._proto_relative_url(f'//www.nicovideo.jp/{self._SEARCH_TYPE}/{query}'), query)
 730
 731
 732 class NicovideoSearchIE(NicovideoSearchBaseIE, SearchInfoExtractor):
 733     IE_DESC = 'Nico video search'
 734     IE_NAME = 'nicovideo:search'
 735     _SEARCH_KEY = 'nicosearch'
 736
 737
 738 class NicovideoSearchURLIE(NicovideoSearchBaseIE):
 739     IE_NAME = f'{NicovideoSearchIE.IE_NAME}_url'
 740     IE_DESC = 'Nico video search URLs'
 741     _VALID_URL = r'https?://(?:www\.)?nicovideo\.jp/search/(?P<id>[^?#&]+)?'
 742     _TESTS = [{
 743         'url': 'http://www.nicovideo.jp/search/sm9',
 744         'info_dict': {
 745             'id': 'sm9',
 746             'title': 'sm9'
 747         },
 748         'playlist_mincount': 40,
 749     }, {
 750         'url': 'https://www.nicovideo.jp/search/sm9?sort=h&order=d&end=2020-12-31&start=2020-01-01',
 751         'info_dict': {
 752             'id': 'sm9',
 753             'title': 'sm9'
 754         },
 755         'playlist_count': 31,
 756     }]
 757
 758     def _real_extract(self, url):
 759         query = self._match_id(url)
 760         return self.playlist_result(self._entries(url, query), query, query)
 761
 762
 763 class NicovideoSearchDateIE(NicovideoSearchBaseIE, SearchInfoExtractor):
 764     IE_DESC = 'Nico video search, newest first'
 765     IE_NAME = f'{NicovideoSearchIE.IE_NAME}:date'
 766     _SEARCH_KEY = 'nicosearchdate'
 767     _TESTS = [{
 768         'url': 'nicosearchdateall:a',
 769         'info_dict': {
 770             'id': 'a',
 771             'title': 'a'
 772         },
 773         'playlist_mincount': 1610,
 774     }]
 775
 776     _START_DATE = datetime.date(2007, 1, 1)
 777     _RESULTS_PER_PAGE = 32
 778     _MAX_PAGES = 50
 779
 780     def _entries(self, url, item_id, start_date=None, end_date=None):
 781         start_date, end_date = start_date or self._START_DATE, end_date or datetime.datetime.now().date()
 782
 783         # If the last page has a full page of videos, we need to break down the query interval further
 784         last_page_len = len(list(self._get_entries_for_date(
 785             url, item_id, start_date, end_date, self._MAX_PAGES,
 786             note=f'Checking number of videos from {start_date} to {end_date}')))
 787         if (last_page_len == self._RESULTS_PER_PAGE and start_date != end_date):
 788             midpoint = start_date + ((end_date - start_date) // 2)
 789             yield from self._entries(url, item_id, midpoint, end_date)
 790             yield from self._entries(url, item_id, start_date, midpoint)
 791         else:
 792             self.to_screen(f'{item_id}: Downloading results from {start_date} to {end_date}')
 793             yield from self._get_entries_for_date(
 794                 url, item_id, start_date, end_date, note='    Downloading page %(page)s')
 795
 796     def _get_entries_for_date(self, url, item_id, start_date, end_date=None, page_num=None, note=None):
 797         query = {
 798             'start': str(start_date),
 799             'end': str(end_date or start_date),
 800             'sort': 'f',
 801             'order': 'd',
 802         }
 803         if page_num:
 804             query['page'] = str(page_num)
 805
 806         yield from super()._entries(url, item_id, query=query, note=note)
 807
 808
 809 class NicovideoTagURLIE(NicovideoSearchBaseIE):
 810     IE_NAME = 'niconico:tag'
 811     IE_DESC = 'NicoNico video tag URLs'
 812     _SEARCH_TYPE = 'tag'
 813     _VALID_URL = r'https?://(?:www\.)?nicovideo\.jp/tag/(?P<id>[^?#&]+)?'
 814     _TESTS = [{
 815         'url': 'https://www.nicovideo.jp/tag/ドキュメンタリー淫夢',
 816         'info_dict': {
 817             'id': 'ドキュメンタリー淫夢',
 818             'title': 'ドキュメンタリー淫夢'
 819         },
 820         'playlist_mincount': 400,
 821     }]
 822
 823     def _real_extract(self, url):
 824         query = self._match_id(url)
 825         return self.playlist_result(self._entries(url, query), query, query)
 826
 827
 828 class NiconicoUserIE(InfoExtractor):
 829     _VALID_URL = r'https?://(?:www\.)?nicovideo\.jp/user/(?P<id>\d+)/?(?:$|[#?])'
 830     _TEST = {
 831         'url': 'https://www.nicovideo.jp/user/419948',
 832         'info_dict': {
 833             'id': '419948',
 834         },
 835         'playlist_mincount': 101,
 836     }
 837     _API_URL = "https://nvapi.nicovideo.jp/v1/users/%s/videos?sortKey=registeredAt&sortOrder=desc&pageSize=%s&page=%s"
 838     _PAGE_SIZE = 100
 839
 840     _API_HEADERS = {
 841         'X-Frontend-ID': '6',
 842         'X-Frontend-Version': '0'
 843     }
 844
 845     def _entries(self, list_id):
 846         total_count = 1
 847         count = page_num = 0
 848         while count < total_count:
 849             json_parsed = self._download_json(
 850                 self._API_URL % (list_id, self._PAGE_SIZE, page_num + 1), list_id,
 851                 headers=self._API_HEADERS,
 852                 note='Downloading JSON metadata%s' % (' page %d' % page_num if page_num else ''))
 853             if not page_num:
 854                 total_count = int_or_none(json_parsed['data'].get('totalCount'))
 855             for entry in json_parsed["data"]["items"]:
 856                 count += 1
 857                 yield self.url_result('https://www.nicovideo.jp/watch/%s' % entry['id'])
 858             page_num += 1
 859
 860     def _real_extract(self, url):
 861         list_id = self._match_id(url)
 862         return self.playlist_result(self._entries(list_id), list_id, ie=NiconicoIE.ie_key())