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- 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
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