1 from __future__ import unicode_literals
6 from .subtitles import SubtitlesInfoExtractor
13 class TEDIE(SubtitlesInfoExtractor):
16 (?P<type>www|embed)(?P<urlmain>\.ted\.com/
18 (?P<type_playlist>playlists(?:/\d+)?) # We have a playlist
20 ((?P<type_talk>talks)) # We have a simple talk
22 (?P<type_watch>watch)/[^/]+/[^/]+
24 (/lang/(.*?))? # The url may contain the language
25 /(?P<name>[\w-]+) # Here goes the name and then ".html"
29 'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',
30 'md5': 'fc94ac279feebbce69f21c0c6ee82810',
34 'title': 'The illusion of consciousness',
35 'description': ('Philosopher Dan Dennett makes a compelling '
36 'argument that not only don\'t we understand our own '
37 'consciousness, but that half the time our brains are '
38 'actively fooling us.'),
39 'uploader': 'Dan Dennett',
43 'url': 'http://www.ted.com/watch/ted-institute/ted-bcg/vishal-sikka-the-beauty-and-power-of-algorithms',
44 'md5': '226f4fb9c62380d11b7995efa4c87994',
46 'id': 'vishal-sikka-the-beauty-and-power-of-algorithms',
48 'title': 'Vishal Sikka: The beauty and power of algorithms',
49 'thumbnail': 're:^https?://.+\.jpg',
50 'description': 'Adaptive, intelligent, and consistent, algorithms are emerging as the ultimate app for everything from matching consumers to products to assessing medical diagnoses. Vishal Sikka shares his appreciation for the algorithm, charting both its inherent beauty and its growing power.',
53 'url': 'http://www.ted.com/talks/gabby_giffords_and_mark_kelly_be_passionate_be_courageous_be_your_best',
57 'title': 'Be passionate. Be courageous. Be your best.',
58 'uploader': 'Gabby Giffords and Mark Kelly',
59 'description': 'md5:5174aed4d0f16021b704120360f72b92',
62 'url': 'http://www.ted.com/playlists/who_are_the_hackers',
65 'title': 'Who are the hackers?',
67 'playlist_mincount': 6,
71 'low': {'preference': 1, 'width': 320, 'height': 180},
72 'medium': {'preference': 2, 'width': 512, 'height': 288},
73 'high': {'preference': 3, 'width': 854, 'height': 480},
76 def _extract_info(self, webpage):
77 info_json = self._search_regex(r'q\("\w+.init",({.+})\)</script>',
79 return json.loads(info_json)
81 def _real_extract(self, url):
82 m = re.match(self._VALID_URL, url, re.VERBOSE)
83 if m.group('type') == 'embed':
84 desktop_url = m.group('proto') + 'www' + m.group('urlmain')
85 return self.url_result(desktop_url, 'TED')
86 name = m.group('name')
87 if m.group('type_talk'):
88 return self._talk_info(url, name)
89 elif m.group('type_watch'):
90 return self._watch_info(url, name)
92 return self._playlist_videos_info(url, name)
94 def _playlist_videos_info(self, url, name):
95 '''Returns the videos of the playlist'''
97 webpage = self._download_webpage(url, name,
98 'Downloading playlist webpage')
99 info = self._extract_info(webpage)
100 playlist_info = info['playlist']
103 self.url_result('http://www.ted.com/talks/' + talk['slug'], self.ie_key())
104 for talk in info['talks']
106 return self.playlist_result(
108 playlist_id=compat_str(playlist_info['id']),
109 playlist_title=playlist_info['title'])
111 def _talk_info(self, url, video_name):
112 webpage = self._download_webpage(url, video_name)
113 self.report_extraction(video_name)
115 talk_info = self._extract_info(webpage)['talks'][0]
119 'format_id': format_id,
121 } for (format_id, format_url) in talk_info['nativeDownloads'].items() if format_url is not None]
124 finfo = self._NATIVE_FORMATS.get(f['format_id'])
130 'format_id': f['name'],
131 'url': talk_info['streamer'],
132 'play_path': f['file'],
135 'height': f['height'],
137 } for f in talk_info['resources']['rtmp']]
138 self._sort_formats(formats)
140 video_id = compat_str(talk_info['id'])
142 video_subtitles = self.extract_subtitles(video_id, talk_info)
143 if self._downloader.params.get('listsubtitles', False):
144 self._list_available_subtitles(video_id, talk_info)
147 thumbnail = talk_info['thumb']
148 if not thumbnail.startswith('http'):
149 thumbnail = 'http://' + thumbnail
152 'title': talk_info['title'],
153 'uploader': talk_info['speaker'],
154 'thumbnail': thumbnail,
155 'description': self._og_search_description(webpage),
156 'subtitles': video_subtitles,
160 def _get_available_subtitles(self, video_id, talk_info):
161 languages = [lang['languageCode'] for lang in talk_info.get('languages', [])]
165 url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l)
166 sub_lang_list[l] = url
169 self._downloader.report_warning('video doesn\'t have subtitles')
172 def _watch_info(self, url, name):
173 webpage = self._download_webpage(url, name)
175 config_json = self._html_search_regex(
176 r"data-config='([^']+)", webpage, 'config')
177 config = json.loads(config_json)
178 video_url = config['video']['url']
179 thumbnail = config.get('image', {}).get('url')
181 title = self._html_search_regex(
182 r"(?s)<h1(?:\s+class='[^']+')?>(.+?)</h1>", webpage, 'title')
183 description = self._html_search_regex(
185 r'(?s)<h4 class="[^"]+" id="h3--about-this-talk">.*?</h4>(.*?)</div>',
186 r'(?s)<p><strong>About this talk:</strong>\s+(.*?)</p>',
188 webpage, 'description', fatal=False)
194 'thumbnail': thumbnail,
195 'description': description,