mirror of
https://gitlab.com/ytdl-org/youtube-dl.git
synced 2025-11-04 05:57:35 -05:00
321 lines
12 KiB
Python
321 lines
12 KiB
Python
from __future__ import unicode_literals
|
|
|
|
import json
|
|
import re
|
|
|
|
from .common import InfoExtractor
|
|
|
|
from ..compat import compat_str
|
|
from ..utils import (
|
|
int_or_none,
|
|
try_get,
|
|
)
|
|
|
|
|
|
class TEDIE(InfoExtractor):
|
|
IE_NAME = 'ted'
|
|
_VALID_URL = r'''(?x)
|
|
(?P<proto>https?://)
|
|
(?P<type>www|embed(?:-ssl)?)(?P<urlmain>\.ted\.com/
|
|
(
|
|
(?P<type_playlist>playlists(?:/\d+)?) # We have a playlist
|
|
|
|
|
((?P<type_talk>talks)) # We have a simple talk
|
|
|
|
|
(?P<type_watch>watch)/[^/]+/[^/]+
|
|
)
|
|
(/lang/(.*?))? # The url may contain the language
|
|
/(?P<name>[\w-]+) # Here goes the name and then ".html"
|
|
.*)$
|
|
'''
|
|
_TESTS = [{
|
|
'url': 'http://www.ted.com/talks/dan_dennett_on_our_consciousness.html',
|
|
'md5': '0de43ac406aa3e4ea74b66c9c7789b13',
|
|
'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',
|
|
'width': 853,
|
|
'duration': 1308,
|
|
}
|
|
}, {
|
|
'url': 'http://www.ted.com/watch/ted-institute/ted-bcg/vishal-sikka-the-beauty-and-power-of-algorithms',
|
|
'md5': 'b899ac15e345fb39534d913f7606082b',
|
|
'info_dict': {
|
|
'id': 'tSVI8ta_P4w',
|
|
'ext': 'mp4',
|
|
'title': 'Vishal Sikka: The beauty and power of algorithms',
|
|
'thumbnail': r're:^https?://.+\.jpg',
|
|
'description': 'md5:6261fdfe3e02f4f579cbbfc00aff73f4',
|
|
'upload_date': '20140122',
|
|
'uploader_id': 'TEDInstitute',
|
|
'uploader': 'TED Institute',
|
|
},
|
|
'add_ie': ['Youtube'],
|
|
}, {
|
|
'url': 'http://www.ted.com/talks/gabby_giffords_and_mark_kelly_be_passionate_be_courageous_be_your_best',
|
|
'md5': '71b3ab2f4233012dce09d515c9c39ce2',
|
|
'info_dict': {
|
|
'id': '1972',
|
|
'ext': 'mp4',
|
|
'title': 'Be passionate. Be courageous. Be your best.',
|
|
'uploader': 'Gabby Giffords and Mark Kelly',
|
|
'description': 'md5:5174aed4d0f16021b704120360f72b92',
|
|
'duration': 1128,
|
|
},
|
|
}, {
|
|
'url': 'http://www.ted.com/playlists/who_are_the_hackers',
|
|
'info_dict': {
|
|
'id': '10',
|
|
'title': 'Who are the hackers?',
|
|
},
|
|
'playlist_mincount': 6,
|
|
}, {
|
|
# contains a youtube video
|
|
'url': 'https://www.ted.com/talks/douglas_adams_parrots_the_universe_and_everything',
|
|
'add_ie': ['Youtube'],
|
|
'info_dict': {
|
|
'id': '_ZG8HBuDjgc',
|
|
'ext': 'webm',
|
|
'title': 'Douglas Adams: Parrots the Universe and Everything',
|
|
'description': 'md5:01ad1e199c49ac640cb1196c0e9016af',
|
|
'uploader': 'University of California Television (UCTV)',
|
|
'uploader_id': 'UCtelevision',
|
|
'upload_date': '20080522',
|
|
},
|
|
'params': {
|
|
'skip_download': True,
|
|
},
|
|
}, {
|
|
# YouTube video
|
|
'url': 'http://www.ted.com/talks/jeffrey_kluger_the_sibling_bond',
|
|
'add_ie': ['Youtube'],
|
|
'info_dict': {
|
|
'id': 'aFBIPO-P7LM',
|
|
'ext': 'mp4',
|
|
'title': 'The hidden power of siblings: Jeff Kluger at TEDxAsheville',
|
|
'description': 'md5:3d7a4f50d95ca5dd67104e2a20f43fe1',
|
|
'uploader': 'TEDx Talks',
|
|
'uploader_id': 'TEDxTalks',
|
|
'upload_date': '20111216',
|
|
},
|
|
'params': {
|
|
'skip_download': True,
|
|
},
|
|
}]
|
|
|
|
_NATIVE_FORMATS = {
|
|
'low': {'width': 320, 'height': 180},
|
|
'medium': {'width': 512, 'height': 288},
|
|
'high': {'width': 854, 'height': 480},
|
|
}
|
|
|
|
def _extract_info(self, webpage):
|
|
info_json = self._search_regex(
|
|
r'(?s)q\(\s*"\w+.init"\s*,\s*({.+})\)\s*</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').startswith('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)
|
|
elif m.group('type_watch'):
|
|
return self._watch_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 = try_get(
|
|
info, lambda x: x['__INITIAL_DATA__']['playlist'],
|
|
dict) or info['playlist']
|
|
|
|
playlist_entries = [
|
|
self.url_result('http://www.ted.com/talks/' + talk['slug'], self.ie_key())
|
|
for talk in try_get(
|
|
info, lambda x: x['__INITIAL_DATA__']['talks'],
|
|
dict) or 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)
|
|
|
|
info = self._extract_info(webpage)
|
|
|
|
talk_info = try_get(
|
|
info, lambda x: x['__INITIAL_DATA__']['talks'][0],
|
|
dict) or info['talks'][0]
|
|
|
|
title = talk_info['title'].strip()
|
|
|
|
external = talk_info.get('external')
|
|
if external:
|
|
service = external['service']
|
|
self.to_screen('Found video from %s' % service)
|
|
ext_url = None
|
|
if service.lower() == 'youtube':
|
|
ext_url = external.get('code')
|
|
return {
|
|
'_type': 'url',
|
|
'url': ext_url or external['uri'],
|
|
}
|
|
|
|
native_downloads = try_get(
|
|
talk_info, lambda x: x['downloads']['nativeDownloads'],
|
|
dict) or talk_info['nativeDownloads']
|
|
|
|
formats = [{
|
|
'url': format_url,
|
|
'format_id': format_id,
|
|
'format': format_id,
|
|
} for (format_id, format_url) in native_downloads.items() if format_url is not None]
|
|
if formats:
|
|
for f in formats:
|
|
finfo = self._NATIVE_FORMATS.get(f['format_id'])
|
|
if finfo:
|
|
f.update(finfo)
|
|
|
|
player_talk = talk_info['player_talks'][0]
|
|
|
|
resources_ = player_talk.get('resources') or talk_info.get('resources')
|
|
|
|
http_url = None
|
|
for format_id, resources in resources_.items():
|
|
if format_id == 'h264':
|
|
for resource in resources:
|
|
h264_url = resource.get('file')
|
|
if not h264_url:
|
|
continue
|
|
bitrate = int_or_none(resource.get('bitrate'))
|
|
formats.append({
|
|
'url': h264_url,
|
|
'format_id': '%s-%sk' % (format_id, bitrate),
|
|
'tbr': bitrate,
|
|
})
|
|
if re.search(r'\d+k', h264_url):
|
|
http_url = h264_url
|
|
elif format_id == 'rtmp':
|
|
streamer = talk_info.get('streamer')
|
|
if not streamer:
|
|
continue
|
|
for resource in resources:
|
|
formats.append({
|
|
'format_id': '%s-%s' % (format_id, resource.get('name')),
|
|
'url': streamer,
|
|
'play_path': resource['file'],
|
|
'ext': 'flv',
|
|
'width': int_or_none(resource.get('width')),
|
|
'height': int_or_none(resource.get('height')),
|
|
'tbr': int_or_none(resource.get('bitrate')),
|
|
})
|
|
elif format_id == 'hls':
|
|
formats.extend(self._extract_m3u8_formats(
|
|
resources.get('stream'), video_name, 'mp4', m3u8_id=format_id, fatal=False))
|
|
|
|
m3u8_formats = list(filter(
|
|
lambda f: f.get('protocol') == 'm3u8' and f.get('vcodec') != 'none',
|
|
formats))
|
|
if http_url:
|
|
for m3u8_format in m3u8_formats:
|
|
bitrate = self._search_regex(r'(\d+k)', m3u8_format['url'], 'bitrate', default=None)
|
|
if not bitrate:
|
|
continue
|
|
f = m3u8_format.copy()
|
|
f.update({
|
|
'url': re.sub(r'\d+k', bitrate, http_url),
|
|
'format_id': m3u8_format['format_id'].replace('hls', 'http'),
|
|
'protocol': 'http',
|
|
})
|
|
formats.append(f)
|
|
|
|
audio_download = talk_info.get('audioDownload')
|
|
if audio_download:
|
|
formats.append({
|
|
'url': audio_download,
|
|
'format_id': 'audio',
|
|
'vcodec': 'none',
|
|
})
|
|
|
|
self._sort_formats(formats)
|
|
|
|
video_id = compat_str(talk_info['id'])
|
|
|
|
return {
|
|
'id': video_id,
|
|
'title': title,
|
|
'uploader': player_talk.get('speaker') or talk_info.get('speaker'),
|
|
'thumbnail': player_talk.get('thumb') or talk_info.get('thumb'),
|
|
'description': self._og_search_description(webpage),
|
|
'subtitles': self._get_subtitles(video_id, talk_info),
|
|
'formats': formats,
|
|
'duration': talk_info.get('duration'),
|
|
}
|
|
|
|
def _get_subtitles(self, video_id, talk_info):
|
|
sub_lang_list = {}
|
|
for language in try_get(
|
|
talk_info,
|
|
(lambda x: x['downloads']['languages'],
|
|
lambda x: x['languages']), list):
|
|
lang_code = language.get('languageCode') or language.get('ianaCode')
|
|
if not lang_code:
|
|
continue
|
|
sub_lang_list[lang_code] = [
|
|
{
|
|
'url': 'http://www.ted.com/talks/subtitles/id/%s/lang/%s/format/%s' % (video_id, lang_code, ext),
|
|
'ext': ext,
|
|
}
|
|
for ext in ['ted', 'srt']
|
|
]
|
|
return sub_lang_list
|
|
|
|
def _watch_info(self, url, name):
|
|
webpage = self._download_webpage(url, name)
|
|
|
|
config_json = self._html_search_regex(
|
|
r'"pages\.jwplayer"\s*,\s*({.+?})\s*\)\s*</script>',
|
|
webpage, 'config', default=None)
|
|
if not config_json:
|
|
embed_url = self._search_regex(
|
|
r"<iframe[^>]+class='pages-video-embed__video__object'[^>]+src='([^']+)'", webpage, 'embed url')
|
|
return self.url_result(self._proto_relative_url(embed_url))
|
|
config = json.loads(config_json)['config']
|
|
video_url = config['video']['url']
|
|
thumbnail = config.get('image', {}).get('url')
|
|
|
|
title = self._html_search_regex(
|
|
r"(?s)<h1(?:\s+class='[^']+')?>(.+?)</h1>", webpage, 'title')
|
|
description = self._html_search_regex(
|
|
[
|
|
r'(?s)<h4 class="[^"]+" id="h3--about-this-talk">.*?</h4>(.*?)</div>',
|
|
r'(?s)<p><strong>About this talk:</strong>\s+(.*?)</p>',
|
|
],
|
|
webpage, 'description', fatal=False)
|
|
|
|
return {
|
|
'id': name,
|
|
'url': video_url,
|
|
'title': title,
|
|
'thumbnail': thumbnail,
|
|
'description': description,
|
|
}
|