[yt-dlp.git] / yt_dlp / extractor / twitcasting.py

import base64
import itertools
import re

from .common import InfoExtractor
from ..dependencies import websockets
from ..utils import (
    clean_html,
    ExtractorError,
    float_or_none,
    get_element_by_class,
    get_element_by_id,
    parse_duration,
    qualities,
    str_to_int,
    traverse_obj,
    try_get,
    unified_timestamp,
    urlencode_postdata,
    urljoin,
)


class TwitCastingIE(InfoExtractor):
    _VALID_URL = r'https?://(?:[^/]+\.)?twitcasting\.tv/(?P<uploader_id>[^/]+)/(?:movie|twplayer)/(?P<id>\d+)'
    _M3U8_HEADERS = {
        'Origin': 'https://twitcasting.tv',
        'Referer': 'https://twitcasting.tv/',
    }
    _TESTS = [{
        'url': 'https://twitcasting.tv/ivetesangalo/movie/2357609',
        'md5': '745243cad58c4681dc752490f7540d7f',
        'info_dict': {
            'id': '2357609',
            'ext': 'mp4',
            'title': 'Live #2357609',
            'uploader_id': 'ivetesangalo',
            'description': 'Twitter Oficial da cantora brasileira Ivete Sangalo.',
            'thumbnail': r're:^https?://.*\.jpg$',
            'upload_date': '20110822',
            'timestamp': 1314010824,
            'duration': 32,
            'view_count': int,
        },
        'params': {
            'skip_download': True,
        },
    }, {
        'url': 'https://twitcasting.tv/mttbernardini/movie/3689740',
        'info_dict': {
            'id': '3689740',
            'ext': 'mp4',
            'title': 'Live playing something #3689740',
            'uploader_id': 'mttbernardini',
            'description': 'Salve, io sono Matto (ma con la e). Questa è la mia presentazione, in quanto sono letteralmente matto (nel senso di strano), con qualcosa in più.',
            'thumbnail': r're:^https?://.*\.jpg$',
            'upload_date': '20120212',
            'timestamp': 1329028024,
            'duration': 681,
            'view_count': int,
        },
        'params': {
            'skip_download': True,
            'videopassword': 'abc',
        },
    }, {
        'note': 'archive is split in 2 parts',
        'url': 'https://twitcasting.tv/loft_heaven/movie/685979292',
        'info_dict': {
            'id': '685979292',
            'ext': 'mp4',
            'title': '南波一海のhear_here “ナタリー望月哲さんに聞く編集と「渋谷系狂騒曲」”',
            'duration': 6964.599334,
        },
        'playlist_mincount': 2,
    }]

    def _parse_data_movie_playlist(self, dmp, video_id):
        # attempt 1: parse as JSON directly
        try:
            return self._parse_json(dmp, video_id)
        except ExtractorError:
            pass
        # attempt 2: decode reversed base64
        decoded = base64.b64decode(dmp[::-1])
        return self._parse_json(decoded, video_id)

    def _real_extract(self, url):
        uploader_id, video_id = self._match_valid_url(url).groups()

        video_password = self.get_param('videopassword')
        request_data = None
        if video_password:
            request_data = urlencode_postdata({
                'password': video_password,
            }, encoding='utf-8')
        webpage, urlh = self._download_webpage_handle(
            url, video_id, data=request_data,
            headers={'Origin': 'https://twitcasting.tv'})
        if urlh.geturl() != url and request_data:
            webpage = self._download_webpage(
                urlh.geturl(), video_id, data=request_data,
                headers={'Origin': 'https://twitcasting.tv'},
                note='Retrying authentication')
        # has to check here as the first request can contain password input form even if the password is correct
        if re.search(r'<form\s+method="POST">\s*<input\s+[^>]+?name="password"', webpage):
            raise ExtractorError('This video is protected by a password, use the --video-password option', expected=True)

        title = (clean_html(get_element_by_id('movietitle', webpage))
                 or self._html_search_meta(['og:title', 'twitter:title'], webpage, fatal=True))

        video_js_data = try_get(
            webpage,
            lambda x: self._parse_data_movie_playlist(self._search_regex(
                r'data-movie-playlist=\'([^\']+?)\'',
                x, 'movie playlist', default=None), video_id)['2'], list)

        thumbnail = traverse_obj(video_js_data, (0, 'thumbnailUrl')) or self._og_search_thumbnail(webpage)
        description = clean_html(get_element_by_id(
            'authorcomment', webpage)) or self._html_search_meta(
            ['description', 'og:description', 'twitter:description'], webpage)
        duration = (try_get(video_js_data, lambda x: sum(float_or_none(y.get('duration')) for y in x) / 1000)
                    or parse_duration(clean_html(get_element_by_class('tw-player-duration-time', webpage))))
        view_count = str_to_int(self._search_regex(
            (r'Total\s*:\s*([\d,]+)\s*Views', r'総視聴者\s*:\s*([\d,]+)\s*</'), webpage, 'views', None))
        timestamp = unified_timestamp(self._search_regex(
            r'data-toggle="true"[^>]+datetime="([^"]+)"',
            webpage, 'datetime', None))

        stream_server_data = self._download_json(
            'https://twitcasting.tv/streamserver.php?target=%s&mode=client' % uploader_id, video_id,
            'Downloading live info', fatal=False)

        is_live = 'data-status="online"' in webpage
        if not traverse_obj(stream_server_data, 'llfmp4') and is_live:
            self.raise_login_required(method='cookies')

        base_dict = {
            'title': title,
            'description': description,
            'thumbnail': thumbnail,
            'timestamp': timestamp,
            'uploader_id': uploader_id,
            'duration': duration,
            'view_count': view_count,
            'is_live': is_live,
        }

        def find_dmu(x):
            data_movie_url = self._search_regex(
                r'data-movie-url=(["\'])(?P<url>(?:(?!\1).)+)\1',
                x, 'm3u8 url', group='url', default=None)
            if data_movie_url:
                return [data_movie_url]

        m3u8_urls = (try_get(webpage, find_dmu, list)
                     or traverse_obj(video_js_data, (..., 'source', 'url'))
                     or ([f'https://twitcasting.tv/{uploader_id}/metastream.m3u8'] if is_live else None))
        if not m3u8_urls:
            raise ExtractorError('Failed to get m3u8 playlist')

        if is_live:
            m3u8_url = m3u8_urls[0]
            formats = self._extract_m3u8_formats(
                m3u8_url, video_id, ext='mp4', m3u8_id='hls',
                live=True, headers=self._M3U8_HEADERS)

            if traverse_obj(stream_server_data, ('hls', 'source')):
                formats.extend(self._extract_m3u8_formats(
                    m3u8_url, video_id, ext='mp4', m3u8_id='source',
                    live=True, query={'mode': 'source'},
                    note='Downloading source quality m3u8',
                    headers=self._M3U8_HEADERS, fatal=False))

            if websockets:
                qq = qualities(['base', 'mobilesource', 'main'])
                streams = traverse_obj(stream_server_data, ('llfmp4', 'streams')) or {}
                for mode, ws_url in streams.items():
                    formats.append({
                        'url': ws_url,
                        'format_id': 'ws-%s' % mode,
                        'ext': 'mp4',
                        'quality': qq(mode),
                        'source_preference': -10,
                        # TwitCasting simply sends moof atom directly over WS
                        'protocol': 'websocket_frag',
                    })

            infodict = {
                'formats': formats,
                '_format_sort_fields': ('source', ),
            }
        elif len(m3u8_urls) == 1:
            formats = self._extract_m3u8_formats(
                m3u8_urls[0], video_id, 'mp4', headers=self._M3U8_HEADERS)
            infodict = {
                # No problem here since there's only one manifest
                'formats': formats,
                'http_headers': self._M3U8_HEADERS,
            }
        else:
            infodict = {
                '_type': 'multi_video',
                'entries': [{
                    'id': f'{video_id}-{num}',
                    'url': m3u8_url,
                    'ext': 'mp4',
                    # Requesting the manifests here will cause download to fail.
                    # So use ffmpeg instead. See: https://github.com/yt-dlp/yt-dlp/issues/382
                    'protocol': 'm3u8',
                    'http_headers': self._M3U8_HEADERS,
                    **base_dict,
                } for (num, m3u8_url) in enumerate(m3u8_urls)],
            }

        return {
            'id': video_id,
            **base_dict,
            **infodict,
        }


class TwitCastingLiveIE(InfoExtractor):
    _VALID_URL = r'https?://(?:[^/]+\.)?twitcasting\.tv/(?P<id>[^/]+)/?(?:[#?]|$)'
    _TESTS = [{
        'url': 'https://twitcasting.tv/ivetesangalo',
        'only_matching': True,
    }]

    def _real_extract(self, url):
        uploader_id = self._match_id(url)
        self.to_screen(
            'Downloading live video of user {0}. '
            'Pass "https://twitcasting.tv/{0}/show" to download the history'.format(uploader_id))

        webpage = self._download_webpage(url, uploader_id)
        current_live = self._search_regex(
            (r'data-type="movie" data-id="(\d+)">',
             r'tw-sound-flag-open-link" data-id="(\d+)" style=',),
            webpage, 'current live ID', default=None)
        if not current_live:
            # fetch unfiltered /show to find running livestreams; we can't get ID of the password-protected livestream above
            webpage = self._download_webpage(
                f'https://twitcasting.tv/{uploader_id}/show/', uploader_id,
                note='Downloading live history')
            is_live = self._search_regex(r'(?s)(<span\s*class="tw-movie-thumbnail-badge"\s*data-status="live">\s*LIVE)', webpage, 'is live?', default=None)
            if is_live:
                # get the first live; running live is always at the first
                current_live = self._search_regex(
                    r'(?s)<a\s+class="tw-movie-thumbnail"\s*href="/[^/]+/movie/(?P<video_id>\d+)"\s*>.+?</a>',
                    webpage, 'current live ID 2', default=None, group='video_id')
        if not current_live:
            raise ExtractorError('The user is not currently live')
        return self.url_result('https://twitcasting.tv/%s/movie/%s' % (uploader_id, current_live))


class TwitCastingUserIE(InfoExtractor):
    _VALID_URL = r'https?://(?:[^/]+\.)?twitcasting\.tv/(?P<id>[^/]+)/show/?(?:[#?]|$)'
    _TESTS = [{
        'url': 'https://twitcasting.tv/noriyukicas/show',
        'only_matching': True,
    }]

    def _entries(self, uploader_id):
        base_url = next_url = 'https://twitcasting.tv/%s/show' % uploader_id
        for page_num in itertools.count(1):
            webpage = self._download_webpage(
                next_url, uploader_id, query={'filter': 'watchable'}, note='Downloading page %d' % page_num)
            matches = re.finditer(
                r'''(?isx)<a\s+class="tw-movie-thumbnail"\s*href="(?P<url>/[^/]+/movie/\d+)"\s*>.+?</a>''',
                webpage)
            for mobj in matches:
                yield self.url_result(urljoin(base_url, mobj.group('url')))

            next_url = self._search_regex(
                r'<a href="(/%s/show/%d-\d+)[?"]' % (re.escape(uploader_id), page_num),
                webpage, 'next url', default=None)
            next_url = urljoin(base_url, next_url)
            if not next_url:
                return

    def _real_extract(self, url):
        uploader_id = self._match_id(url)
        return self.playlist_result(
            self._entries(uploader_id), uploader_id, '%s - Live History' % uploader_id)
Commit	Line	Data
da9a60ca	1	import base64
e85a3971	2	import itertools
036f9051	3	import re
036f9051	4
29f7c58a	5	from .common import InfoExtractor
9b8ee23b	6	from ..dependencies import websockets
29f7c58a	7	from ..utils import (
29f7c58a	8	clean_html,
a4a42602	9	ExtractorError,
29f7c58a	10	float_or_none,
	11	get_element_by_class,
	12	get_element_by_id,
	13	parse_duration,
e6779b94	14	qualities,
29f7c58a	15	str_to_int,
fabb27fc	16	traverse_obj,
e85a3971	17	try_get,
29f7c58a	18	unified_timestamp,
29f7c58a	19	urlencode_postdata,
e85a3971	20	urljoin,
29f7c58a	21	)
29f7c58a	22
036f9051	23
cf0db4d9	24	class TwitCastingIE(InfoExtractor):
e85a3971	25	_VALID_URL = r'https?://(?:[^/]+\.)?twitcasting\.tv/(?P<uploader_id>[^/]+)/(?:movie\|twplayer)/(?P<id>\d+)'
a4a42602 LTHD	26	_M3U8_HEADERS = {
	27	'Origin': 'https://twitcasting.tv',
	28	'Referer': 'https://twitcasting.tv/',
	29	}
88b54749	30	_TESTS = [{
036f9051	31	'url': 'https://twitcasting.tv/ivetesangalo/movie/2357609',
	32	'md5': '745243cad58c4681dc752490f7540d7f',
	33	'info_dict': {
	34	'id': '2357609',
	35	'ext': 'mp4',
00a9a25c	36	'title': 'Live #2357609',
036f9051	37	'uploader_id': 'ivetesangalo',
29f7c58a	38	'description': 'Twitter Oficial da cantora brasileira Ivete Sangalo.',
036f9051	39	'thumbnail': r're:^https?://.*\.jpg$',
29f7c58a	40	'upload_date': '20110822',
	41	'timestamp': 1314010824,
	42	'duration': 32,
	43	'view_count': int,
cf0db4d9 S	44	},
	45	'params': {
	46	'skip_download': True,
	47	},
88b54749 MZ	48	}, {
	49	'url': 'https://twitcasting.tv/mttbernardini/movie/3689740',
	50	'info_dict': {
	51	'id': '3689740',
	52	'ext': 'mp4',
	53	'title': 'Live playing something #3689740',
	54	'uploader_id': 'mttbernardini',
29f7c58a	55	'description': 'Salve, io sono Matto (ma con la e). Questa è la mia presentazione, in quanto sono letteralmente matto (nel senso di strano), con qualcosa in più.',
88b54749	56	'thumbnail': r're:^https?://.*\.jpg$',
29f7c58a	57	'upload_date': '20120212',
	58	'timestamp': 1329028024,
	59	'duration': 681,
	60	'view_count': int,
88b54749 MZ	61	},
	62	'params': {
	63	'skip_download': True,
	64	'videopassword': 'abc',
	65	},
a4a42602 LTHD	66	}, {
	67	'note': 'archive is split in 2 parts',
	68	'url': 'https://twitcasting.tv/loft_heaven/movie/685979292',
	69	'info_dict': {
	70	'id': '685979292',
	71	'ext': 'mp4',
	72	'title': '南波一海のhear_here “ナタリー望月哲さんに聞く編集と「渋谷系狂騒曲」”',
	73	'duration': 6964.599334,
	74	},
	75	'playlist_mincount': 2,
88b54749	76	}]
036f9051	77
da9a60ca L	78	def _parse_data_movie_playlist(self, dmp, video_id):
	79	# attempt 1: parse as JSON directly
	80	try:
	81	return self._parse_json(dmp, video_id)
	82	except ExtractorError:
	83	pass
	84	# attempt 2: decode reversed base64
	85	decoded = base64.b64decode(dmp[::-1])
	86	return self._parse_json(decoded, video_id)
	87
036f9051	88	def _real_extract(self, url):
5ad28e7f	89	uploader_id, video_id = self._match_valid_url(url).groups()
036f9051	90
a06916d9	91	video_password = self.get_param('videopassword')
88b54749 MZ	92	request_data = None
	93	if video_password:
	94	request_data = urlencode_postdata({
	95	'password': video_password,
5a13fdd2	96	}, encoding='utf-8')
df635a09	97	webpage, urlh = self._download_webpage_handle(
d0491a1e	98	url, video_id, data=request_data,
d0491a1e	99	headers={'Origin': 'https://twitcasting.tv'})
df635a09 LNO	100	if urlh.geturl() != url and request_data:
	101	webpage = self._download_webpage(
	102	urlh.geturl(), video_id, data=request_data,
	103	headers={'Origin': 'https://twitcasting.tv'},
	104	note='Retrying authentication')
f099df14 LNO	105	# has to check here as the first request can contain password input form even if the password is correct
	106	if re.search(r'<form\s+method="POST">\s*<input\s+[^>]+?name="password"', webpage):
	107	raise ExtractorError('This video is protected by a password, use the --video-password option', expected=True)
036f9051	108
e85a3971	109	title = (clean_html(get_element_by_id('movietitle', webpage))
e85a3971	110	or self._html_search_meta(['og:title', 'twitter:title'], webpage, fatal=True))
cf0db4d9	111
a4a42602 LTHD	112	video_js_data = try_get(
a4a42602 LTHD	113	webpage,
da9a60ca	114	lambda x: self._parse_data_movie_playlist(self._search_regex(
a4a42602 LTHD	115	r'data-movie-playlist=\'([^\']+?)\'',
a4a42602 LTHD	116	x, 'movie playlist', default=None), video_id)['2'], list)
fabb27fc	117
a4a42602	118	thumbnail = traverse_obj(video_js_data, (0, 'thumbnailUrl')) or self._og_search_thumbnail(webpage)
29f7c58a	119	description = clean_html(get_element_by_id(
	120	'authorcomment', webpage)) or self._html_search_meta(
	121	['description', 'og:description', 'twitter:description'], webpage)
a4a42602 LTHD	122	duration = (try_get(video_js_data, lambda x: sum(float_or_none(y.get('duration')) for y in x) / 1000)
a4a42602 LTHD	123	or parse_duration(clean_html(get_element_by_class('tw-player-duration-time', webpage))))
29f7c58a	124	view_count = str_to_int(self._search_regex(
a4a42602	125	(r'Total\s:\s([\d,]+)\sViews', r'総視聴者\s:\s([\d,]+)\s</'), webpage, 'views', None))
29f7c58a	126	timestamp = unified_timestamp(self._search_regex(
	127	r'data-toggle="true"[^>]+datetime="([^"]+)"',
	128	webpage, 'datetime', None))
cf0db4d9	129
a4a42602 LTHD	130	stream_server_data = self._download_json(
	131	'https://twitcasting.tv/streamserver.php?target=%s&mode=client' % uploader_id, video_id,
	132	'Downloading live info', fatal=False)
e85a3971	133
a4a42602 LTHD	134	is_live = 'data-status="online"' in webpage
	135	if not traverse_obj(stream_server_data, 'llfmp4') and is_live:
	136	self.raise_login_required(method='cookies')
	137
	138	base_dict = {
036f9051	139	'title': title,
	140	'description': description,
	141	'thumbnail': thumbnail,
29f7c58a	142	'timestamp': timestamp,
036f9051	143	'uploader_id': uploader_id,
29f7c58a	144	'duration': duration,
29f7c58a	145	'view_count': view_count,
e85a3971	146	'is_live': is_live,
036f9051	147	}
e85a3971	148
a4a42602 LTHD	149	def find_dmu(x):
	150	data_movie_url = self._search_regex(
	151	r'data-movie-url=(["\'])(?P<url>(?:(?!\1).)+)\1',
	152	x, 'm3u8 url', group='url', default=None)
	153	if data_movie_url:
	154	return [data_movie_url]
	155
	156	m3u8_urls = (try_get(webpage, find_dmu, list)
	157	or traverse_obj(video_js_data, (..., 'source', 'url'))
	158	or ([f'https://twitcasting.tv/{uploader_id}/metastream.m3u8'] if is_live else None))
	159	if not m3u8_urls:
	160	raise ExtractorError('Failed to get m3u8 playlist')
	161
	162	if is_live:
	163	m3u8_url = m3u8_urls[0]
	164	formats = self._extract_m3u8_formats(
	165	m3u8_url, video_id, ext='mp4', m3u8_id='hls',
	166	live=True, headers=self._M3U8_HEADERS)
	167
df635a09 LNO	168	if traverse_obj(stream_server_data, ('hls', 'source')):
	169	formats.extend(self._extract_m3u8_formats(
	170	m3u8_url, video_id, ext='mp4', m3u8_id='source',
	171	live=True, query={'mode': 'source'},
	172	note='Downloading source quality m3u8',
	173	headers=self._M3U8_HEADERS, fatal=False))
a4a42602	174
9b8ee23b	175	if websockets:
a4a42602 LTHD	176	qq = qualities(['base', 'mobilesource', 'main'])
	177	streams = traverse_obj(stream_server_data, ('llfmp4', 'streams')) or {}
	178	for mode, ws_url in streams.items():
	179	formats.append({
	180	'url': ws_url,
	181	'format_id': 'ws-%s' % mode,
	182	'ext': 'mp4',
	183	'quality': qq(mode),
df635a09	184	'source_preference': -10,
a4a42602 LTHD	185	# TwitCasting simply sends moof atom directly over WS
	186	'protocol': 'websocket_frag',
	187	})
	188
a4a42602	189	infodict = {
9f14daf2	190	'formats': formats,
9f14daf2	191	'_format_sort_fields': ('source', ),
a4a42602	192	}
06b1628d LNO	193	elif len(m3u8_urls) == 1:
	194	formats = self._extract_m3u8_formats(
	195	m3u8_urls[0], video_id, 'mp4', headers=self._M3U8_HEADERS)
06b1628d LNO	196	infodict = {
	197	# No problem here since there's only one manifest
	198	'formats': formats,
997378f9	199	'http_headers': self._M3U8_HEADERS,
06b1628d	200	}
a4a42602 LTHD	201	else:
	202	infodict = {
	203	'_type': 'multi_video',
	204	'entries': [{
	205	'id': f'{video_id}-{num}',
	206	'url': m3u8_url,
	207	'ext': 'mp4',
	208	# Requesting the manifests here will cause download to fail.
	209	# So use ffmpeg instead. See: https://github.com/yt-dlp/yt-dlp/issues/382
	210	'protocol': 'm3u8',
	211	'http_headers': self._M3U8_HEADERS,
	212	**base_dict,
	213	} for (num, m3u8_url) in enumerate(m3u8_urls)],
	214	}
	215
	216	return {
	217	'id': video_id,
	218	**base_dict,
	219	**infodict,
	220	}
	221
e85a3971	222
	223	class TwitCastingLiveIE(InfoExtractor):
	224	_VALID_URL = r'https?://(?:[^/]+\.)?twitcasting\.tv/(?P<id>[^/]+)/?(?:[#?]\|$)'
	225	_TESTS = [{
	226	'url': 'https://twitcasting.tv/ivetesangalo',
	227	'only_matching': True,
	228	}]
	229
	230	def _real_extract(self, url):
	231	uploader_id = self._match_id(url)
	232	self.to_screen(
	233	'Downloading live video of user {0}. '
	234	'Pass "https://twitcasting.tv/{0}/show" to download the history'.format(uploader_id))
	235
	236	webpage = self._download_webpage(url, uploader_id)
	237	current_live = self._search_regex(
	238	(r'data-type="movie" data-id="(\d+)">',
	239	r'tw-sound-flag-open-link" data-id="(\d+)" style=',),
	240	webpage, 'current live ID', default=None)
07ea0014 LNO	241	if not current_live:
	242	# fetch unfiltered /show to find running livestreams; we can't get ID of the password-protected livestream above
	243	webpage = self._download_webpage(
	244	f'https://twitcasting.tv/{uploader_id}/show/', uploader_id,
	245	note='Downloading live history')
	246	is_live = self._search_regex(r'(?s)(<span\sclass="tw-movie-thumbnail-badge"\sdata-status="live">\s*LIVE)', webpage, 'is live?', default=None)
	247	if is_live:
	248	# get the first live; running live is always at the first
	249	current_live = self._search_regex(
	250	r'(?s)<a\s+class="tw-movie-thumbnail"\shref="/[^/]+/movie/(?P<video_id>\d+)"\s>.+?</a>',
	251	webpage, 'current live ID 2', default=None, group='video_id')
e85a3971	252	if not current_live:
	253	raise ExtractorError('The user is not currently live')
	254	return self.url_result('https://twitcasting.tv/%s/movie/%s' % (uploader_id, current_live))
	255
	256
	257	class TwitCastingUserIE(InfoExtractor):
	258	_VALID_URL = r'https?://(?:[^/]+\.)?twitcasting\.tv/(?P<id>[^/]+)/show/?(?:[#?]\|$)'
	259	_TESTS = [{
	260	'url': 'https://twitcasting.tv/noriyukicas/show',
	261	'only_matching': True,
	262	}]
	263
	264	def _entries(self, uploader_id):
	265	base_url = next_url = 'https://twitcasting.tv/%s/show' % uploader_id
	266	for page_num in itertools.count(1):
	267	webpage = self._download_webpage(
	268	next_url, uploader_id, query={'filter': 'watchable'}, note='Downloading page %d' % page_num)
	269	matches = re.finditer(
	270	r'''(?isx)<a\s+class="tw-movie-thumbnail"\shref="(?P<url>/[^/]+/movie/\d+)"\s>.+?</a>''',
	271	webpage)
	272	for mobj in matches:
	273	yield self.url_result(urljoin(base_url, mobj.group('url')))
	274
	275	next_url = self._search_regex(
	276	r'<a href="(/%s/show/%d-\d+)[?"]' % (re.escape(uploader_id), page_num),
	277	webpage, 'next url', default=None)
	278	next_url = urljoin(base_url, next_url)
	279	if not next_url:
	280	return
	281
	282	def _real_extract(self, url):
	283	uploader_id = self._match_id(url)
	284	return self.playlist_result(
	285	self._entries(uploader_id), uploader_id, '%s - Live History' % uploader_id)