X-Git-Url: http://git.bitcoin.ninja/index.cgi?a=blobdiff_plain;f=youtube_dl%2Fextractor%2Fted.py;h=b9e65447f1f69c63fc61eab1469644070e5dc5da;hb=f55a1f0a8815c89b01a7a353cfa0bd5118f75829;hp=46b66582ced7edbb1cf4752f192b9df003031fc0;hpb=427023a1e6f2bb45a61b2bbfd56f845ee0c0ffee;p=youtube-dl diff --git a/youtube_dl/extractor/ted.py b/youtube_dl/extractor/ted.py index 46b66582c..b9e65447f 100644 --- a/youtube_dl/extractor/ted.py +++ b/youtube_dl/extractor/ted.py @@ -1,88 +1,116 @@ +from __future__ import unicode_literals + import json import re -from .common import InfoExtractor +from .subtitles import SubtitlesInfoExtractor + +from ..utils import ( + compat_str, + RegexNotFoundError, +) -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" - ''' +class TEDIE(SubtitlesInfoExtractor): + _VALID_URL = r'''(?x)http://www\.ted\.com/ + ( + (?Pplaylists(?:/\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 = { - u'url': u'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html', - u'file': u'102.mp4', - u'md5': u'8cd9dfa41ee000ce658fd48fb5d89a61', - u'info_dict': { - u"description": u"md5:c6fa72e6eedbd938c9caf6b2702f5922", - u"title": u"Dan Dennett: The illusion of consciousness" + 'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html', + 'file': '102.mp4', + 'md5': '4ea1dada91e4174b53dac2bb8ace429d', + 'info_dict': { + 'title': 'The illusion of consciousness', + 'description': ('Philosopher Dan Dennett makes a compelling ' + 'argument that not only don\'t we understand our own ' + 'consciousness, but that half the time our brains are ' + 'actively fooling us.'), + 'uploader': 'Dan Dennett', } } - @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 + _FORMATS_PREFERENCE = { + 'low': 1, + 'medium': 2, + 'high': 3, + } + + def _extract_info(self, webpage): + info_json = self._search_regex(r'q\("\w+.init",({.+})\)', + webpage, 'info json') + return json.loads(info_json) def _real_extract(self, url): - m=re.match(self._VALID_URL, url, re.VERBOSE) + m = re.match(self._VALID_URL, url, re.VERBOSE) + name = m.group('name') 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): + return self._talk_info(url, name) + else: + return self._playlist_videos_info(url, name) + + def _playlist_videos_info(self, url, name): '''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) + + webpage = self._download_webpage(url, name, + 'Downloading playlist webpage') + info = self._extract_info(webpage) + playlist_info = info['playlist'] + + playlist_entries = [ + self.url_result(u'http://www.ted.com/talks/' + talk['slug'], self.ie_key()) + for talk in info['talks'] + ] + return self.playlist_result( + playlist_entries, + playlist_id=compat_str(playlist_info['id']), + playlist_title=playlist_info['title']) + + def _talk_info(self, url, video_name): + webpage = self._download_webpage(url, 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 + + talk_info = self._extract_info(webpage)['talks'][0] + + formats = [{ + 'ext': 'mp4', + 'url': format_url, + 'format_id': format_id, + 'format': format_id, + 'preference': self._FORMATS_PREFERENCE.get(format_id, -1), + } for (format_id, format_url) in talk_info['nativeDownloads'].items()] + self._sort_formats(formats) + + video_id = talk_info['id'] + # subtitles + video_subtitles = self.extract_subtitles(video_id, talk_info) + if self._downloader.params.get('listsubtitles', False): + self._list_available_subtitles(video_id, talk_info) + return + + return { + 'id': video_id, + 'title': talk_info['title'], + 'uploader': talk_info['speaker'], + 'thumbnail': talk_info['thumb'], + 'description': self._og_search_description(webpage), + 'subtitles': video_subtitles, + 'formats': formats, + } + + def _get_available_subtitles(self, video_id, talk_info): + languages = [lang['languageCode'] for lang in talk_info.get('languages', [])] + 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 + else: + self._downloader.report_warning(u'video doesn\'t have subtitles') + return {}