from __future__ import unicode_literals import json import re from .subtitles import SubtitlesInfoExtractor from ..utils import ( RegexNotFoundError, ) class TEDIE(SubtitlesInfoExtractor): _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" ''' _TEST = { 'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html', 'file': '102.mp4', 'md5': '2d76ee1576672e0bd8f187513267adf6', 'info_dict': { "description": "md5:c6fa72e6eedbd938c9caf6b2702f5922", "title": "Dan Dennett: The illusion of consciousness" } } @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): '''Returns the videos of the playlist''' webpage = self._download_webpage( url, playlist_id, 'Downloading playlist webpage') matches = re.finditer( r'/talks/[^"]+\.html)">[^<]*

', webpage) playlist_title = self._html_search_regex(r'div class="headline">\s*?

\s*?(.*?)', webpage, 'playlist title') playlist_entries = [ self.url_result(u'http://www.ted.com' + m.group('talk_url'), 'TED') for m in matches ] 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') formats = [{ 'ext': 'mp4', 'url': stream['file'], 'format': stream['id'] } for stream in info['htmlStreams']] video_id = info['id'] # subtitles video_subtitles = self.extract_subtitles(video_id, webpage) if self._downloader.params.get('listsubtitles', False): self._list_available_subtitles(video_id, webpage) return return { 'id': video_id, 'title': title, 'thumbnail': thumbnail, 'description': desc, 'subtitles': video_subtitles, 'formats': formats, } def _get_available_subtitles(self, video_id, webpage): try: options = self._search_regex(r'(?:<select name="subtitles_language_select" id="subtitles_language_select">)(.*?)(?:</select>)', webpage, 'subtitles_language_select', flags=re.DOTALL) languages = re.findall(r'(?:<option value=")(\S+)"', options) if languages: sub_lang_list = {} for l in languages: url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l) sub_lang_list[l] = url return sub_lang_list except RegexNotFoundError: self._downloader.report_warning(u'video doesn\'t have subtitles') return {}