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97 lines
4.1 KiB
Python
97 lines
4.1 KiB
Python
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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((?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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info = {
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'id': info['id'],
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'title': title,
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'thumbnail': thumbnail,
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'description': desc,
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'formats': formats,
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}
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# TODO: Remove when #980 has been merged
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info.update(info['formats'][-1])
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return info
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