import json import re from .common import InfoExtractor class TEDIE(InfoExtractor): _VALID_URL=r'''http://www\.ted\.com/ ( ((?Pplaylists)/(?P\d+)) # We have a playlist | ((?Ptalks)) # We have a simple talk ) (/lang/(.*?))? # The url may contain the language /(?P\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''' (?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*?

\s*?(.*?)', 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'(?P.*)</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