You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
125 lines
4.2 KiB
125 lines
4.2 KiB
from __future__ import unicode_literals |
|
|
|
import json |
|
import re |
|
|
|
from .subtitles import SubtitlesInfoExtractor |
|
|
|
from ..utils import ( |
|
compat_str, |
|
) |
|
|
|
|
|
class TEDIE(SubtitlesInfoExtractor): |
|
_VALID_URL = r'''(?x) |
|
(?P<proto>https?://) |
|
(?P<type>www|embed)(?P<urlmain>\.ted\.com/ |
|
( |
|
(?P<type_playlist>playlists(?:/\d+)?) # We have a playlist |
|
| |
|
((?P<type_talk>talks)) # We have a simple talk |
|
) |
|
(/lang/(.*?))? # The url may contain the language |
|
/(?P<name>\w+) # Here goes the name and then ".html" |
|
.*)$ |
|
''' |
|
_TEST = { |
|
'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html', |
|
'md5': '4ea1dada91e4174b53dac2bb8ace429d', |
|
'info_dict': { |
|
'id': '102', |
|
'ext': 'mp4', |
|
'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', |
|
} |
|
} |
|
|
|
_FORMATS_PREFERENCE = { |
|
'low': 1, |
|
'medium': 2, |
|
'high': 3, |
|
} |
|
|
|
def _extract_info(self, webpage): |
|
info_json = self._search_regex(r'q\("\w+.init",({.+})\)</script>', |
|
webpage, 'info json') |
|
return json.loads(info_json) |
|
|
|
def _real_extract(self, url): |
|
m = re.match(self._VALID_URL, url, re.VERBOSE) |
|
if m.group('type') == 'embed': |
|
desktop_url = m.group('proto') + 'www' + m.group('urlmain') |
|
return self.url_result(desktop_url, 'TED') |
|
name = m.group('name') |
|
if m.group('type_talk'): |
|
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''' |
|
|
|
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) |
|
|
|
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 = compat_str(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 |
|
|
|
thumbnail = talk_info['thumb'] |
|
if not thumbnail.startswith('http'): |
|
thumbnail = 'http://' + thumbnail |
|
return { |
|
'id': video_id, |
|
'title': talk_info['title'], |
|
'uploader': talk_info['speaker'], |
|
'thumbnail': thumbnail, |
|
'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 {}
|
|
|