mirror of
https://github.com/yt-dlp/yt-dlp.git
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242 lines
9.7 KiB
Python
242 lines
9.7 KiB
Python
import itertools
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import re
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from .common import InfoExtractor
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from ..utils import (
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int_or_none,
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str_to_int,
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try_get,
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url_or_none,
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unified_strdate,
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parse_duration,
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)
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class TedBaseIE(InfoExtractor):
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_VALID_URL_BASE = r'https?://www\.ted\.com/(?:{type})(?:/lang/[^/#?]+)?/(?P<id>[\w-]+)'
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def _parse_playlist(self, playlist):
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for entry in try_get(playlist, lambda x: x['videos']['nodes'], list):
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if entry.get('__typename') == 'Video' and entry.get('canonicalUrl'):
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yield self.url_result(entry['canonicalUrl'], TedTalkIE.ie_key())
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class TedTalkIE(TedBaseIE):
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_VALID_URL = TedBaseIE._VALID_URL_BASE.format(type='talks')
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_TESTS = [{
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'url': 'https://www.ted.com/talks/candace_parker_how_to_break_down_barriers_and_not_accept_limits',
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'md5': '47e82c666d9c3261d4fe74748a90aada',
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'info_dict': {
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'id': '86532',
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'ext': 'mp4',
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'title': 'How to break down barriers and not accept limits',
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'description': 'md5:000707cece219d1e165b11550d612331',
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'view_count': int,
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'tags': ['personal growth', 'equality', 'activism', 'motivation', 'social change', 'sports'],
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'uploader': 'Candace Parker',
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'duration': 676.0,
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'upload_date': '20220114',
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'release_date': '20211201',
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'thumbnail': r're:http.*\.jpg',
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},
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}]
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def _real_extract(self, url):
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display_id = self._match_id(url)
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webpage = self._download_webpage(url, display_id)
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talk_info = self._search_nextjs_data(webpage, display_id)['props']['pageProps']['videoData']
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video_id = talk_info['id']
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playerData = self._parse_json(talk_info.get('playerData'), video_id)
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http_url = None
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formats, subtitles = [], {}
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for format_id, resources in (playerData.get('resources') or {}).items():
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if format_id == 'hls':
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stream_url = url_or_none(try_get(resources, lambda x: x['stream']))
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if not stream_url:
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continue
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m3u8_formats, m3u8_subs = self._extract_m3u8_formats_and_subtitles(
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stream_url, video_id, 'mp4', m3u8_id=format_id, fatal=False)
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formats.extend(m3u8_formats)
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subtitles = self._merge_subtitles(subtitles, m3u8_subs)
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continue
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if not isinstance(resources, list):
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continue
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if format_id == 'h264':
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for resource in resources:
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h264_url = resource.get('file')
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if not h264_url:
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continue
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bitrate = int_or_none(resource.get('bitrate'))
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formats.append({
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'url': h264_url,
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'format_id': '%s-%sk' % (format_id, bitrate),
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'tbr': bitrate,
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})
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if re.search(r'\d+k', h264_url):
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http_url = h264_url
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elif format_id == 'rtmp':
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streamer = talk_info.get('streamer')
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if not streamer:
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continue
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formats.extend({
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'format_id': '%s-%s' % (format_id, resource.get('name')),
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'url': streamer,
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'play_path': resource['file'],
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'ext': 'flv',
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'width': int_or_none(resource.get('width')),
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'height': int_or_none(resource.get('height')),
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'tbr': int_or_none(resource.get('bitrate')),
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} for resource in resources if resource.get('file'))
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if http_url:
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m3u8_formats = [f for f in formats if f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none']
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for m3u8_format in m3u8_formats:
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bitrate = self._search_regex(r'(\d+k)', m3u8_format['url'], 'bitrate', default=None)
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if not bitrate:
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continue
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bitrate_url = re.sub(r'\d+k', bitrate, http_url)
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if not self._is_valid_url(
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bitrate_url, video_id, '%s bitrate' % bitrate):
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continue
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f = m3u8_format.copy()
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f.update({
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'url': bitrate_url,
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'format_id': m3u8_format['format_id'].replace('hls', 'http'),
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'protocol': 'http',
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})
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if f.get('acodec') == 'none':
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del f['acodec']
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formats.append(f)
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audio_download = talk_info.get('audioDownload')
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if audio_download:
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formats.append({
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'url': audio_download,
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'format_id': 'audio',
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'vcodec': 'none',
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})
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if not formats:
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external = playerData.get('external') or {}
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service = external.get('service') or ''
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ext_url = external.get('code') if service.lower() == 'youtube' else None
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return self.url_result(ext_url or external['uri'])
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self._sort_formats(formats)
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thumbnail = playerData.get('thumb') or self._og_search_property('image', webpage)
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if thumbnail:
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# trim thumbnail resize parameters
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thumbnail = thumbnail.split('?')[0]
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return {
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'id': video_id,
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'title': talk_info.get('title') or self._og_search_title(webpage),
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'uploader': talk_info.get('presenterDisplayName'),
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'thumbnail': thumbnail,
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'description': talk_info.get('description') or self._og_search_description(webpage),
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'subtitles': subtitles,
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'formats': formats,
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'duration': talk_info.get('duration') or parse_duration(self._og_search_property('video:duration', webpage)),
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'view_count': str_to_int(talk_info.get('viewedCount')),
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'upload_date': unified_strdate(talk_info.get('publishedAt')),
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'release_date': unified_strdate(talk_info.get('recordedOn')),
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'tags': try_get(playerData, lambda x: x['targeting']['tag'].split(',')),
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}
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class TedSeriesIE(TedBaseIE):
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_VALID_URL = fr'{TedBaseIE._VALID_URL_BASE.format(type=r"series")}(?:#season_(?P<season>\d+))?'
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_TESTS = [{
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'url': 'https://www.ted.com/series/small_thing_big_idea',
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'info_dict': {
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'id': '3',
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'title': 'Small Thing Big Idea',
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'series': 'Small Thing Big Idea',
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'description': 'md5:6869ca52cec661aef72b3e9f7441c55c'
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},
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'playlist_mincount': 16,
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}, {
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'url': 'https://www.ted.com/series/the_way_we_work#season_2',
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'info_dict': {
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'id': '8_2',
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'title': 'The Way We Work Season 2',
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'series': 'The Way We Work',
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'description': 'md5:59469256e533e1a48c4aa926a382234c',
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'season_number': 2
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},
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'playlist_mincount': 8,
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}]
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def _real_extract(self, url):
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display_id, season = self._match_valid_url(url).group('id', 'season')
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webpage = self._download_webpage(url, display_id, 'Downloading series webpage')
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info = self._search_nextjs_data(webpage, display_id)['props']['pageProps']
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entries = itertools.chain.from_iterable(
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self._parse_playlist(s) for s in info['seasons'] if season in [None, s.get('seasonNumber')])
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series_id = try_get(info, lambda x: x['series']['id'])
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series_name = try_get(info, lambda x: x['series']['name']) or self._og_search_title(webpage, fatal=False)
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return self.playlist_result(
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entries,
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f'{series_id}_{season}' if season and series_id else series_id,
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f'{series_name} Season {season}' if season else series_name,
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self._og_search_description(webpage),
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series=series_name, season_number=int_or_none(season))
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class TedPlaylistIE(TedBaseIE):
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_VALID_URL = TedBaseIE._VALID_URL_BASE.format(type=r'playlists(?:/\d+)?')
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_TESTS = [{
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'url': 'https://www.ted.com/playlists/171/the_most_popular_talks_of_all',
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'info_dict': {
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'id': '171',
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'title': 'The most popular talks of all time',
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'description': 'md5:d2f22831dc86c7040e733a3cb3993d78'
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},
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'playlist_mincount': 25,
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}]
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def _real_extract(self, url):
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display_id = self._match_id(url)
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webpage = self._download_webpage(url, display_id)
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playlist = self._search_nextjs_data(webpage, display_id)['props']['pageProps']['playlist']
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return self.playlist_result(
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self._parse_playlist(playlist), playlist.get('id'),
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playlist.get('title') or self._og_search_title(webpage, default='').replace(' | TED Talks', '') or None,
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self._og_search_description(webpage))
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class TedEmbedIE(InfoExtractor):
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_VALID_URL = r'https?://embed(?:-ssl)?\.ted\.com/'
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_TESTS = [{
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'url': 'https://embed.ted.com/talks/janet_stovall_how_to_get_serious_about_diversity_and_inclusion_in_the_workplace',
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'info_dict': {
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'id': '21802',
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'ext': 'mp4',
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'title': 'How to get serious about diversity and inclusion in the workplace',
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'description': 'md5:0978aafe396e05341f8ecc795d22189d',
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'view_count': int,
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'tags': list,
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'uploader': 'Janet Stovall',
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'duration': 664.0,
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'upload_date': '20180822',
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'release_date': '20180719',
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'thumbnail': r're:http.*\.jpg',
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},
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}]
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@classmethod
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def _extract_urls(cls, webpage):
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return [mobj.group('url') for mobj in re.finditer(
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fr'<iframe[^>]+?src=(["\'])(?P<url>{cls._VALID_URL}.+?)\1', webpage)]
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def _real_extract(self, url):
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return self.url_result(re.sub(r'://embed(-ssl)?', '://www', url), TedTalkIE.ie_key())
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