diff options
Diffstat (limited to 'youtube_dl/extractor/ted.py')
| -rw-r--r-- | youtube_dl/extractor/ted.py | 79 | 
1 files changed, 79 insertions, 0 deletions
diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py new file mode 100644 index 000000000..ccad1c7c2 --- /dev/null +++ b/youtube_dl/extractor/ted.py @@ -0,0 +1,79 @@ +import json +import re + +from .common import InfoExtractor + + +class TEDIE(InfoExtractor): +    _VALID_URL=r'''http://www\.ted\.com/ +                   ( +                        ((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist +                        | +                        ((?P<type_talk>talks)) # We have a simple talk +                   ) +                   (/lang/(.*?))? # The url may contain the language +                   /(?P<name>\w+) # Here goes the name and then ".html" +                   ''' + +    @classmethod +    def suitable(cls, url): +        """Receives a URL and returns True if suitable for this IE.""" +        return re.match(cls._VALID_URL, url, re.VERBOSE) is not None + +    def _real_extract(self, url): +        m=re.match(self._VALID_URL, url, re.VERBOSE) +        if m.group('type_talk'): +            return [self._talk_info(url)] +        else : +            playlist_id=m.group('playlist_id') +            name=m.group('name') +            self.to_screen(u'Getting info of playlist %s: "%s"' % (playlist_id,name)) +            return [self._playlist_videos_info(url,name,playlist_id)] + +    def _playlist_videos_info(self,url,name,playlist_id=0): +        '''Returns the videos of the playlist''' +        video_RE=r''' +                     <li\ id="talk_(\d+)"([.\s]*?)data-id="(?P<video_id>\d+)" +                     ([.\s]*?)data-playlist_item_id="(\d+)" +                     ([.\s]*?)data-mediaslug="(?P<mediaSlug>.+?)" +                     ''' +        video_name_RE=r'<p\ class="talk-title"><a href="(?P<talk_url>/talks/(.+).html)">(?P<fullname>.+?)</a></p>' +        webpage=self._download_webpage(url, playlist_id, 'Downloading playlist webpage') +        m_videos=re.finditer(video_RE,webpage,re.VERBOSE) +        m_names=re.finditer(video_name_RE,webpage) + +        playlist_title = self._html_search_regex(r'div class="headline">\s*?<h1>\s*?<span>(.*?)</span>', +                                                 webpage, 'playlist title') + +        playlist_entries = [] +        for m_video, m_name in zip(m_videos,m_names): +            talk_url='http://www.ted.com%s' % m_name.group('talk_url') +            playlist_entries.append(self.url_result(talk_url, 'TED')) +        return self.playlist_result(playlist_entries, playlist_id = playlist_id, playlist_title = playlist_title) + +    def _talk_info(self, url, video_id=0): +        """Return the video for the talk in the url""" +        m = re.match(self._VALID_URL, url,re.VERBOSE) +        video_name = m.group('name') +        webpage = self._download_webpage(url, video_id, 'Downloading \"%s\" page' % video_name) +        self.report_extraction(video_name) +        # If the url includes the language we get the title translated +        title = self._html_search_regex(r'<span id="altHeadline" >(?P<title>.*)</span>', +                                        webpage, 'title') +        json_data = self._search_regex(r'<script.*?>var talkDetails = ({.*?})</script>', +                                    webpage, 'json data') +        info = json.loads(json_data) +        desc = self._html_search_regex(r'<div class="talk-intro">.*?<p.*?>(.*?)</p>', +                                       webpage, 'description', flags = re.DOTALL) +         +        thumbnail = self._search_regex(r'</span>[\s.]*</div>[\s.]*<img src="(.*?)"', +                                       webpage, 'thumbnail') +        info = { +                'id': info['id'], +                'url': info['htmlStreams'][-1]['file'], +                'ext': 'mp4', +                'title': title, +                'thumbnail': thumbnail, +                'description': desc, +                } +        return info  | 
