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': '4ea1dada91e4174b53dac2bb8ace429d',
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:d89e1d8ebafdac8e55df4c219ecdbfe9',
63 'skip_download': True,
68 'low': {'preference': 1, 'width': 320, 'height': 180},
69 'medium': {'preference': 2, 'width': 512, 'height': 288},
70 'high': {'preference': 3, 'width': 854, 'height': 480},
73 def _extract_info(self, webpage):
74 info_json = self._search_regex(r'q\("\w+.init",({.+})\)</script>',
76 return json.loads(info_json)
78 def _real_extract(self, url):
79 m = re.match(self._VALID_URL, url, re.VERBOSE)
80 if m.group('type') == 'embed':
81 desktop_url = m.group('proto') + 'www' + m.group('urlmain')
82 return self.url_result(desktop_url, 'TED')
83 name = m.group('name')
84 if m.group('type_talk'):
85 return self._talk_info(url, name)
86 elif m.group('type_watch'):
87 return self._watch_info(url, name)
89 return self._playlist_videos_info(url, name)
91 def _playlist_videos_info(self, url, name):
92 '''Returns the videos of the playlist'''
94 webpage = self._download_webpage(url, name,
95 'Downloading playlist webpage')
96 info = self._extract_info(webpage)
97 playlist_info = info['playlist']
100 self.url_result(u'http://www.ted.com/talks/' + talk['slug'], self.ie_key())
101 for talk in info['talks']
103 return self.playlist_result(
105 playlist_id=compat_str(playlist_info['id']),
106 playlist_title=playlist_info['title'])
108 def _talk_info(self, url, video_name):
109 webpage = self._download_webpage(url, video_name)
110 self.report_extraction(video_name)
112 talk_info = self._extract_info(webpage)['talks'][0]
116 'format_id': format_id,
118 } for (format_id, format_url) in talk_info['nativeDownloads'].items() if format_url is not None]
121 finfo = self._NATIVE_FORMATS.get(f['format_id'])
127 'format_id': f['name'],
128 'url': talk_info['streamer'],
129 'play_path': f['file'],
132 'height': f['height'],
134 } for f in talk_info['resources']['rtmp']]
135 self._sort_formats(formats)
137 video_id = compat_str(talk_info['id'])
139 video_subtitles = self.extract_subtitles(video_id, talk_info)
140 if self._downloader.params.get('listsubtitles', False):
141 self._list_available_subtitles(video_id, talk_info)
144 thumbnail = talk_info['thumb']
145 if not thumbnail.startswith('http'):
146 thumbnail = 'http://' + thumbnail
149 'title': talk_info['title'],
150 'uploader': talk_info['speaker'],
151 'thumbnail': thumbnail,
152 'description': self._og_search_description(webpage),
153 'subtitles': video_subtitles,
157 def _get_available_subtitles(self, video_id, talk_info):
158 languages = [lang['languageCode'] for lang in talk_info.get('languages', [])]
162 url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l)
163 sub_lang_list[l] = url
166 self._downloader.report_warning(u'video doesn\'t have subtitles')
169 def _watch_info(self, url, name):
170 webpage = self._download_webpage(url, name)
172 config_json = self._html_search_regex(
173 r"data-config='([^']+)", webpage, 'config')
174 config = json.loads(config_json)
175 video_url = config['video']['url']
176 thumbnail = config.get('image', {}).get('url')
178 title = self._html_search_regex(
179 r"(?s)<h1(?:\s+class='[^']+')?>(.+?)</h1>", webpage, 'title')
180 description = self._html_search_regex(
181 r'(?s)<h4 class="[^"]+" id="h3--about-this-talk">.*?</h4>(.*?)</div>',
182 webpage, 'description', fatal=False)
188 'thumbnail': thumbnail,
189 'description': description,