2 changed files with 80 additions and 74 deletions
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import json |
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import re |
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from .common import InfoExtractor |
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class TEDIE(InfoExtractor): |
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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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| |
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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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@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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info = { |
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'id': info['id'], |
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'url': info['htmlStreams'][-1]['file'], |
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'ext': 'mp4', |
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'title': title, |
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'thumbnail': thumbnail, |
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'description': desc, |
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} |
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return info |
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