[ted] Fix video extraction

The site has been redesigned
This commit is contained in:
Jaime Marquínez Ferrándiz 2014-03-04 21:47:01 +01:00
parent d63516e9cd
commit 652bee05f0

View File

@ -11,7 +11,7 @@
class TEDIE(SubtitlesInfoExtractor):
_VALID_URL=r'''http://www\.ted\.com/
_VALID_URL=r'''(?x)http://www\.ted\.com/
(
((?P<type_playlist>playlists)/(?P<playlist_id>\d+)) # We have a playlist
|
@ -25,15 +25,17 @@ class TEDIE(SubtitlesInfoExtractor):
'file': '102.mp4',
'md5': '4ea1dada91e4174b53dac2bb8ace429d',
'info_dict': {
"description": "md5:c6fa72e6eedbd938c9caf6b2702f5922",
"title": "Dan Dennett: The illusion of consciousness"
'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 _real_extract(self, url):
m=re.match(self._VALID_URL, url, re.VERBOSE)
@ -67,54 +69,49 @@ def _playlist_videos_info(self, url, name, playlist_id):
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)
m = re.match(self._VALID_URL, url)
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'<span .*?id="altHeadline".+?>(?P<title>.*)</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_json = self._search_regex(r'"talkPage.init",({.+})\)</script>', webpage, 'info json')
info = json.loads(info_json)
talk_info = info['talks'][0]
formats = [{
'ext': 'mp4',
'url': stream['file'],
'format': stream['id']
} for stream in info['htmlStreams']]
video_id = info['id']
'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, webpage)
video_subtitles = self.extract_subtitles(video_id, talk_info)
if self._downloader.params.get('listsubtitles', False):
self._list_available_subtitles(video_id, webpage)
self._list_available_subtitles(video_id, talk_info)
return
return {
'id': video_id,
'title': title,
'thumbnail': thumbnail,
'description': desc,
'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, 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:
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 {}
return {}