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