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1 | import itertools | |
2 | import re | |
3 | ||
4 | from .common import InfoExtractor | |
5 | from ..utils import ( | |
6 | int_or_none, | |
7 | parse_duration, | |
8 | str_to_int, | |
9 | try_get, | |
10 | unified_strdate, | |
11 | url_or_none, | |
12 | ) | |
13 | ||
14 | ||
15 | class TedBaseIE(InfoExtractor): | |
16 | _VALID_URL_BASE = r'https?://www\.ted\.com/(?:{type})(?:/lang/[^/#?]+)?/(?P<id>[\w-]+)' | |
17 | ||
18 | def _parse_playlist(self, playlist): | |
19 | for entry in try_get(playlist, lambda x: x['videos']['nodes'], list): | |
20 | if entry.get('__typename') == 'Video' and entry.get('canonicalUrl'): | |
21 | yield self.url_result(entry['canonicalUrl'], TedTalkIE.ie_key()) | |
22 | ||
23 | ||
24 | class TedTalkIE(TedBaseIE): | |
25 | _VALID_URL = TedBaseIE._VALID_URL_BASE.format(type='talks') | |
26 | _TESTS = [{ | |
27 | 'url': 'https://www.ted.com/talks/candace_parker_how_to_break_down_barriers_and_not_accept_limits', | |
28 | 'md5': '47e82c666d9c3261d4fe74748a90aada', | |
29 | 'info_dict': { | |
30 | 'id': '86532', | |
31 | 'ext': 'mp4', | |
32 | 'title': 'How to break down barriers and not accept limits', | |
33 | 'description': 'md5:000707cece219d1e165b11550d612331', | |
34 | 'view_count': int, | |
35 | 'tags': ['personal growth', 'equality', 'activism', 'motivation', 'social change', 'sports'], | |
36 | 'uploader': 'Candace Parker', | |
37 | 'duration': 676.0, | |
38 | 'upload_date': '20220114', | |
39 | 'release_date': '20211201', | |
40 | 'thumbnail': r're:http.*\.jpg', | |
41 | }, | |
42 | }] | |
43 | ||
44 | def _real_extract(self, url): | |
45 | display_id = self._match_id(url) | |
46 | webpage = self._download_webpage(url, display_id) | |
47 | talk_info = self._search_nextjs_data(webpage, display_id)['props']['pageProps']['videoData'] | |
48 | video_id = talk_info['id'] | |
49 | player_data = self._parse_json(talk_info.get('playerData'), video_id) | |
50 | ||
51 | http_url = None | |
52 | formats, subtitles = [], {} | |
53 | for format_id, resources in (player_data.get('resources') or {}).items(): | |
54 | if format_id == 'hls': | |
55 | stream_url = url_or_none(try_get(resources, lambda x: x['stream'])) | |
56 | if not stream_url: | |
57 | continue | |
58 | m3u8_formats, m3u8_subs = self._extract_m3u8_formats_and_subtitles( | |
59 | stream_url, video_id, 'mp4', m3u8_id=format_id, fatal=False) | |
60 | formats.extend(m3u8_formats) | |
61 | subtitles = self._merge_subtitles(subtitles, m3u8_subs) | |
62 | continue | |
63 | ||
64 | if not isinstance(resources, list): | |
65 | continue | |
66 | if format_id == 'h264': | |
67 | for resource in resources: | |
68 | h264_url = resource.get('file') | |
69 | if not h264_url: | |
70 | continue | |
71 | bitrate = int_or_none(resource.get('bitrate')) | |
72 | formats.append({ | |
73 | 'url': h264_url, | |
74 | 'format_id': f'{format_id}-{bitrate}k', | |
75 | 'tbr': bitrate, | |
76 | }) | |
77 | if re.search(r'\d+k', h264_url): | |
78 | http_url = h264_url | |
79 | elif format_id == 'rtmp': | |
80 | streamer = talk_info.get('streamer') | |
81 | if not streamer: | |
82 | continue | |
83 | formats.extend({ | |
84 | 'format_id': '{}-{}'.format(format_id, resource.get('name')), | |
85 | 'url': streamer, | |
86 | 'play_path': resource['file'], | |
87 | 'ext': 'flv', | |
88 | 'width': int_or_none(resource.get('width')), | |
89 | 'height': int_or_none(resource.get('height')), | |
90 | 'tbr': int_or_none(resource.get('bitrate')), | |
91 | } for resource in resources if resource.get('file')) | |
92 | ||
93 | if http_url: | |
94 | m3u8_formats = [f for f in formats if f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none'] | |
95 | for m3u8_format in m3u8_formats: | |
96 | bitrate = self._search_regex(r'(\d+k)', m3u8_format['url'], 'bitrate', default=None) | |
97 | if not bitrate: | |
98 | continue | |
99 | bitrate_url = re.sub(r'\d+k', bitrate, http_url) | |
100 | if not self._is_valid_url( | |
101 | bitrate_url, video_id, f'{bitrate} bitrate'): | |
102 | continue | |
103 | f = m3u8_format.copy() | |
104 | f.update({ | |
105 | 'url': bitrate_url, | |
106 | 'format_id': m3u8_format['format_id'].replace('hls', 'http'), | |
107 | 'protocol': 'http', | |
108 | }) | |
109 | if f.get('acodec') == 'none': | |
110 | del f['acodec'] | |
111 | formats.append(f) | |
112 | ||
113 | audio_download = talk_info.get('audioDownload') | |
114 | if audio_download: | |
115 | formats.append({ | |
116 | 'url': audio_download, | |
117 | 'format_id': 'audio', | |
118 | 'vcodec': 'none', | |
119 | }) | |
120 | ||
121 | if not formats: | |
122 | external = player_data.get('external') or {} | |
123 | service = external.get('service') or '' | |
124 | ext_url = external.get('code') if service.lower() == 'youtube' else None | |
125 | return self.url_result(ext_url or external['uri']) | |
126 | ||
127 | thumbnail = player_data.get('thumb') or self._og_search_property('image', webpage) | |
128 | if thumbnail: | |
129 | # trim thumbnail resize parameters | |
130 | thumbnail = thumbnail.split('?')[0] | |
131 | ||
132 | return { | |
133 | 'id': video_id, | |
134 | 'title': talk_info.get('title') or self._og_search_title(webpage), | |
135 | 'uploader': talk_info.get('presenterDisplayName'), | |
136 | 'thumbnail': thumbnail, | |
137 | 'description': talk_info.get('description') or self._og_search_description(webpage), | |
138 | 'subtitles': subtitles, | |
139 | 'formats': formats, | |
140 | 'duration': talk_info.get('duration') or parse_duration(self._og_search_property('video:duration', webpage)), | |
141 | 'view_count': str_to_int(talk_info.get('viewedCount')), | |
142 | 'upload_date': unified_strdate(talk_info.get('publishedAt')), | |
143 | 'release_date': unified_strdate(talk_info.get('recordedOn')), | |
144 | 'tags': try_get(player_data, lambda x: x['targeting']['tag'].split(',')), | |
145 | } | |
146 | ||
147 | ||
148 | class TedSeriesIE(TedBaseIE): | |
149 | _VALID_URL = fr'{TedBaseIE._VALID_URL_BASE.format(type=r"series")}(?:#season_(?P<season>\d+))?' | |
150 | _TESTS = [{ | |
151 | 'url': 'https://www.ted.com/series/small_thing_big_idea', | |
152 | 'info_dict': { | |
153 | 'id': '3', | |
154 | 'title': 'Small Thing Big Idea', | |
155 | 'series': 'Small Thing Big Idea', | |
156 | 'description': 'md5:6869ca52cec661aef72b3e9f7441c55c', | |
157 | }, | |
158 | 'playlist_mincount': 16, | |
159 | }, { | |
160 | 'url': 'https://www.ted.com/series/the_way_we_work#season_2', | |
161 | 'info_dict': { | |
162 | 'id': '8_2', | |
163 | 'title': 'The Way We Work Season 2', | |
164 | 'series': 'The Way We Work', | |
165 | 'description': 'md5:59469256e533e1a48c4aa926a382234c', | |
166 | 'season_number': 2, | |
167 | }, | |
168 | 'playlist_mincount': 8, | |
169 | }] | |
170 | ||
171 | def _real_extract(self, url): | |
172 | display_id, season = self._match_valid_url(url).group('id', 'season') | |
173 | webpage = self._download_webpage(url, display_id, 'Downloading series webpage') | |
174 | info = self._search_nextjs_data(webpage, display_id)['props']['pageProps'] | |
175 | ||
176 | entries = itertools.chain.from_iterable( | |
177 | self._parse_playlist(s) for s in info['seasons'] if season in [None, s.get('seasonNumber')]) | |
178 | ||
179 | series_id = try_get(info, lambda x: x['series']['id']) | |
180 | series_name = try_get(info, lambda x: x['series']['name']) or self._og_search_title(webpage, fatal=False) | |
181 | ||
182 | return self.playlist_result( | |
183 | entries, | |
184 | f'{series_id}_{season}' if season and series_id else series_id, | |
185 | f'{series_name} Season {season}' if season else series_name, | |
186 | self._og_search_description(webpage), | |
187 | series=series_name, season_number=int_or_none(season)) | |
188 | ||
189 | ||
190 | class TedPlaylistIE(TedBaseIE): | |
191 | _VALID_URL = TedBaseIE._VALID_URL_BASE.format(type=r'playlists(?:/\d+)?') | |
192 | _TESTS = [{ | |
193 | 'url': 'https://www.ted.com/playlists/171/the_most_popular_talks_of_all', | |
194 | 'info_dict': { | |
195 | 'id': '171', | |
196 | 'title': 'The most popular talks of all time', | |
197 | 'description': 'md5:d2f22831dc86c7040e733a3cb3993d78', | |
198 | }, | |
199 | 'playlist_mincount': 25, | |
200 | }] | |
201 | ||
202 | def _real_extract(self, url): | |
203 | display_id = self._match_id(url) | |
204 | webpage = self._download_webpage(url, display_id) | |
205 | playlist = self._search_nextjs_data(webpage, display_id)['props']['pageProps']['playlist'] | |
206 | ||
207 | return self.playlist_result( | |
208 | self._parse_playlist(playlist), playlist.get('id'), | |
209 | playlist.get('title') or self._og_search_title(webpage, default='').replace(' | TED Talks', '') or None, | |
210 | self._og_search_description(webpage)) | |
211 | ||
212 | ||
213 | class TedEmbedIE(InfoExtractor): | |
214 | _VALID_URL = r'https?://embed(?:-ssl)?\.ted\.com/' | |
215 | _EMBED_REGEX = [rf'<iframe[^>]+?src=(["\'])(?P<url>{_VALID_URL}.+?)\1'] | |
216 | ||
217 | _TESTS = [{ | |
218 | 'url': 'https://embed.ted.com/talks/janet_stovall_how_to_get_serious_about_diversity_and_inclusion_in_the_workplace', | |
219 | 'info_dict': { | |
220 | 'id': '21802', | |
221 | 'ext': 'mp4', | |
222 | 'title': 'How to get serious about diversity and inclusion in the workplace', | |
223 | 'description': 'md5:0978aafe396e05341f8ecc795d22189d', | |
224 | 'view_count': int, | |
225 | 'tags': list, | |
226 | 'uploader': 'Janet Stovall', | |
227 | 'duration': 664.0, | |
228 | 'upload_date': '20180822', | |
229 | 'release_date': '20180719', | |
230 | 'thumbnail': r're:http.*\.jpg', | |
231 | }, | |
232 | }] | |
233 | ||
234 | def _real_extract(self, url): | |
235 | return self.url_result(re.sub(r'://embed(-ssl)?', '://www', url), TedTalkIE.ie_key()) |