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.',
55 'low': {'preference': 1, 'width': 320, 'height': 180},
56 'medium': {'preference': 2, 'width': 512, 'height': 288},
57 'high': {'preference': 3, 'width': 854, 'height': 480},
60 def _extract_info(self, webpage):
61 info_json = self._search_regex(r'q\("\w+.init",({.+})\)</script>',
63 return json.loads(info_json)
65 def _real_extract(self, url):
66 m = re.match(self._VALID_URL, url, re.VERBOSE)
67 if m.group('type') == 'embed':
68 desktop_url = m.group('proto') + 'www' + m.group('urlmain')
69 return self.url_result(desktop_url, 'TED')
70 name = m.group('name')
71 if m.group('type_talk'):
72 return self._talk_info(url, name)
73 elif m.group('type_watch'):
74 return self._watch_info(url, name)
76 return self._playlist_videos_info(url, name)
78 def _playlist_videos_info(self, url, name):
79 '''Returns the videos of the playlist'''
81 webpage = self._download_webpage(url, name,
82 'Downloading playlist webpage')
83 info = self._extract_info(webpage)
84 playlist_info = info['playlist']
87 self.url_result(u'http://www.ted.com/talks/' + talk['slug'], self.ie_key())
88 for talk in info['talks']
90 return self.playlist_result(
92 playlist_id=compat_str(playlist_info['id']),
93 playlist_title=playlist_info['title'])
95 def _talk_info(self, url, video_name):
96 webpage = self._download_webpage(url, video_name)
97 self.report_extraction(video_name)
99 talk_info = self._extract_info(webpage)['talks'][0]
103 'format_id': format_id,
105 } for (format_id, format_url) in talk_info['nativeDownloads'].items()]
107 finfo = self._NATIVE_FORMATS.get(f['format_id'])
110 self._sort_formats(formats)
112 video_id = compat_str(talk_info['id'])
114 video_subtitles = self.extract_subtitles(video_id, talk_info)
115 if self._downloader.params.get('listsubtitles', False):
116 self._list_available_subtitles(video_id, talk_info)
119 thumbnail = talk_info['thumb']
120 if not thumbnail.startswith('http'):
121 thumbnail = 'http://' + thumbnail
124 'title': talk_info['title'],
125 'uploader': talk_info['speaker'],
126 'thumbnail': thumbnail,
127 'description': self._og_search_description(webpage),
128 'subtitles': video_subtitles,
132 def _get_available_subtitles(self, video_id, talk_info):
133 languages = [lang['languageCode'] for lang in talk_info.get('languages', [])]
137 url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l)
138 sub_lang_list[l] = url
141 self._downloader.report_warning(u'video doesn\'t have subtitles')
144 def _watch_info(self, url, name):
145 webpage = self._download_webpage(url, name)
147 config_json = self._html_search_regex(
148 r"data-config='([^']+)", webpage, 'config')
149 config = json.loads(config_json)
150 video_url = config['video']['url']
151 thumbnail = config.get('image', {}).get('url')
153 title = self._html_search_regex(
154 r"(?s)<h1(?:\s+class='[^']+')?>(.+?)</h1>", webpage, 'title')
155 description = self._html_search_regex(
156 r'(?s)<h4 class="[^"]+" id="h3--about-this-talk">.*?</h4>(.*?)</div>',
157 webpage, 'description', fatal=False)
163 'thumbnail': thumbnail,
164 'description': description,