mirror of
https://github.com/ytdl-org/youtube-dl.git
synced 2024-12-24 17:06:58 +00:00
126 lines
4.2 KiB
Python
126 lines
4.2 KiB
Python
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 {}
|