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119 lines
5.1 KiB
119 lines
5.1 KiB
import json |
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import re |
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from .subtitles import SubtitlesInfoExtractor |
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from ..utils import ( |
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compat_str, |
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RegexNotFoundError, |
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) |
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class TEDIE(SubtitlesInfoExtractor): |
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_VALID_URL=r'''http://www\.ted\.com/ |
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( |
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((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist |
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((?P<type_talk>talks)) # We have a simple talk |
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) |
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(/lang/(.*?))? # The url may contain the language |
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/(?P<name>\w+) # Here goes the name and then ".html" |
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''' |
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_TEST = { |
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u'url': u'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html', |
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u'file': u'102.mp4', |
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u'md5': u'2d76ee1576672e0bd8f187513267adf6', |
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u'info_dict': { |
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u"description": u"md5:c6fa72e6eedbd938c9caf6b2702f5922", |
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u"title": u"Dan Dennett: The illusion of consciousness" |
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} |
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} |
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@classmethod |
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def suitable(cls, url): |
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"""Receives a URL and returns True if suitable for this IE.""" |
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return re.match(cls._VALID_URL, url, re.VERBOSE) is not None |
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def _real_extract(self, url): |
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m=re.match(self._VALID_URL, url, re.VERBOSE) |
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if m.group('type_talk'): |
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return self._talk_info(url) |
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else : |
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playlist_id=m.group('playlist_id') |
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name=m.group('name') |
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self.to_screen(u'Getting info of playlist %s: "%s"' % (playlist_id,name)) |
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return [self._playlist_videos_info(url,name,playlist_id)] |
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def _playlist_videos_info(self,url,name,playlist_id=0): |
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'''Returns the videos of the playlist''' |
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video_RE=r''' |
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<li\ id="talk_(\d+)"([.\s]*?)data-id="(?P<video_id>\d+)" |
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([.\s]*?)data-playlist_item_id="(\d+)" |
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([.\s]*?)data-mediaslug="(?P<mediaSlug>.+?)" |
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''' |
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video_name_RE=r'<p\ class="talk-title"><a href="(?P<talk_url>/talks/(.+).html)">(?P<fullname>.+?)</a></p>' |
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webpage=self._download_webpage(url, playlist_id, 'Downloading playlist webpage') |
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m_videos=re.finditer(video_RE,webpage,re.VERBOSE) |
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m_names=re.finditer(video_name_RE,webpage) |
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playlist_title = self._html_search_regex(r'div class="headline">\s*?<h1>\s*?<span>(.*?)</span>', |
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webpage, 'playlist title') |
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playlist_entries = [] |
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for m_video, m_name in zip(m_videos,m_names): |
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talk_url='http://www.ted.com%s' % m_name.group('talk_url') |
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playlist_entries.append(self.url_result(talk_url, 'TED')) |
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return self.playlist_result(playlist_entries, playlist_id = playlist_id, playlist_title = playlist_title) |
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def _talk_info(self, url, video_id=0): |
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"""Return the video for the talk in the url""" |
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m = re.match(self._VALID_URL, url,re.VERBOSE) |
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video_name = m.group('name') |
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webpage = self._download_webpage(url, video_id, 'Downloading \"%s\" page' % video_name) |
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self.report_extraction(video_name) |
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# If the url includes the language we get the title translated |
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title = self._html_search_regex(r'<span .*?id="altHeadline".+?>(?P<title>.*)</span>', |
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webpage, 'title') |
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json_data = self._search_regex(r'<script.*?>var talkDetails = ({.*?})</script>', |
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webpage, 'json data') |
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info = json.loads(json_data) |
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desc = self._html_search_regex(r'<div class="talk-intro">.*?<p.*?>(.*?)</p>', |
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webpage, 'description', flags = re.DOTALL) |
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thumbnail = self._search_regex(r'</span>[\s.]*</div>[\s.]*<img src="(.*?)"', |
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webpage, 'thumbnail') |
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formats = [{ |
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'ext': 'mp4', |
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'url': stream['file'], |
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'format': stream['id'] |
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} for stream in info['htmlStreams']] |
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video_id = info['id'] |
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# subtitles |
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video_subtitles = self.extract_subtitles(video_id, webpage) |
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if self._downloader.params.get('listsubtitles', False): |
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self._list_available_subtitles(video_id, webpage) |
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return |
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return { |
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'id': video_id, |
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'title': title, |
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'thumbnail': thumbnail, |
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'description': desc, |
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'subtitles': video_subtitles, |
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'formats': formats, |
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} |
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def _get_available_subtitles(self, video_id, webpage): |
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try: |
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options = self._search_regex(r'(?:<select name="subtitles_language_select" id="subtitles_language_select">)(.*?)(?:</select>)', webpage, 'subtitles_language_select', flags=re.DOTALL) |
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languages = re.findall(r'(?:<option value=")(\S+)"', options) |
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if languages: |
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sub_lang_list = {} |
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for l in languages: |
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url = 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/srt' % (video_id, l) |
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sub_lang_list[l] = url |
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return sub_lang_list |
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except RegexNotFoundError as err: |
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self._downloader.report_warning(u'video doesn\'t have subtitles') |
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return {}
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