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import base64
import functools
import math
import re
import time
import urllib.parse
from .common import InfoExtractor
from .slideslive import SlidesLiveIE
from ..utils import (
ExtractorError,
InAdvancePagedList,
int_or_none,
traverse_obj,
update_url_query,
url_or_none,
)
class VideoKenBaseIE(InfoExtractor):
_ORGANIZATIONS = {
'videos.icts.res.in': 'icts',
'videos.cncf.io': 'cncf',
'videos.neurips.cc': 'neurips',
}
_BASE_URL_RE = rf'https?://(?P<host>{"|".join(map(re.escape, _ORGANIZATIONS))})/'
_PAGE_SIZE = 12
def _get_org_id_and_api_key(self, org, video_id):
details = self._download_json(
f'https://analytics.videoken.com/api/videolake/{org}/details', video_id,
note='Downloading organization ID and API key', headers={
'Accept': 'application/json',
})
return details['id'], details['apikey']
def _create_slideslive_url(self, video_url, video_id, referer):
if not video_url and not video_id:
return
elif not video_url or 'embed/sign-in' in video_url:
video_url = f'https://slideslive.com/embed/{video_id.lstrip("slideslive-")}'
if url_or_none(referer):
return update_url_query(video_url, {
'embed_parent_url': referer,
'embed_container_origin': f'https://{urllib.parse.urlparse(referer).netloc}',
})
return video_url
def _extract_videos(self, videos, url):
for video in traverse_obj(videos, (('videos', 'results'), ...)):
video_id = traverse_obj(video, 'youtube_id', 'videoid')
if not video_id:
continue
ie_key = None
if traverse_obj(video, 'type', 'source') == 'youtube':
video_url = video_id
ie_key = 'Youtube'
else:
video_url = traverse_obj(video, 'embed_url', 'embeddableurl')
if urllib.parse.urlparse(video_url).netloc == 'slideslive.com':
ie_key = SlidesLiveIE
video_url = self._create_slideslive_url(video_url, video_id, url)
if not video_url:
continue
yield self.url_result(video_url, ie_key, video_id)
class VideoKenIE(VideoKenBaseIE):
_VALID_URL = VideoKenBaseIE._BASE_URL_RE + r'(?:(?:topic|category)/[^/#?]+/)?video/(?P<id>[\w-]+)'
_TESTS = [{
# neurips -> videoken -> slideslive
'url': 'https://videos.neurips.cc/video/slideslive-38922815',
'info_dict': {
'id': '38922815',
'ext': 'mp4',
'title': 'Efficient Processing of Deep Neural Network: from Algorithms to Hardware Architectures',
'timestamp': 1630939331,
'upload_date': '20210906',
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
'thumbnails': 'count:330',
'chapters': 'count:329',
},
'params': {
'skip_download': 'm3u8',
},
'expected_warnings': ['Failed to download VideoKen API JSON'],
}, {
# neurips -> videoken -> slideslive -> youtube
'url': 'https://videos.neurips.cc/topic/machine%20learning/video/slideslive-38923348',
'info_dict': {
'id': '2Xa_dt78rJE',
'ext': 'mp4',
'display_id': '38923348',
'title': 'Machine Education',
'description': 'Watch full version of this video at https://slideslive.com/38923348.',
'channel': 'SlidesLive Videos - G2',
'channel_id': 'UCOExahQQ588Da8Nft_Ltb9w',
'channel_url': 'https://www.youtube.com/channel/UCOExahQQ588Da8Nft_Ltb9w',
'uploader': 'SlidesLive Videos - G2',
'uploader_id': 'UCOExahQQ588Da8Nft_Ltb9w',
'uploader_url': 'http://www.youtube.com/channel/UCOExahQQ588Da8Nft_Ltb9w',
'duration': 2504,
'timestamp': 1618922125,
'upload_date': '20200131',
'age_limit': 0,
'channel_follower_count': int,
'view_count': int,
'availability': 'unlisted',
'live_status': 'not_live',
'playable_in_embed': True,
'categories': ['People & Blogs'],
'tags': [],
'thumbnail': r're:^https?://.*\.(?:jpg|webp)',
'thumbnails': 'count:78',
'chapters': 'count:77',
},
'params': {
'skip_download': 'm3u8',
},
'expected_warnings': ['Failed to download VideoKen API JSON'],
}, {
# icts -> videoken -> youtube
'url': 'https://videos.icts.res.in/topic/random%20variable/video/zysIsojYdvc',
'info_dict': {
'id': 'zysIsojYdvc',
'ext': 'mp4',
'title': 'Small-worlds, complex networks and random graphs (Lecture 3) by Remco van der Hofstad',
'description': 'md5:87433069d79719eeadc1962cc2ace00b',
'channel': 'International Centre for Theoretical Sciences',
'channel_id': 'UCO3xnVTHzB7l-nc8mABUJIQ',
'channel_url': 'https://www.youtube.com/channel/UCO3xnVTHzB7l-nc8mABUJIQ',
'uploader': 'International Centre for Theoretical Sciences',
'uploader_id': 'ICTStalks',
'uploader_url': 'http://www.youtube.com/user/ICTStalks',
'duration': 3372,
'upload_date': '20191004',
'age_limit': 0,
'live_status': 'not_live',
'availability': 'public',
'playable_in_embed': True,
'channel_follower_count': int,
'like_count': int,
'view_count': int,
'categories': ['Science & Technology'],
'tags': [],
'thumbnail': r're:^https?://.*\.(?:jpg|webp)',
'thumbnails': 'count:42',
'chapters': 'count:20',
},
'params': {
'skip_download': 'm3u8',
},
}, {
'url': 'https://videos.cncf.io/category/478/video/IL4nxbmUIX8',
'only_matching': True,
}, {
'url': 'https://videos.cncf.io/topic/kubernetes/video/YAM2d7yTrrI',
'only_matching': True,
}, {
'url': 'https://videos.icts.res.in/video/d7HuP_abpKU',
'only_matching': True,
}]
def _real_extract(self, url):
hostname, video_id = self._match_valid_url(url).group('host', 'id')
org_id, _ = self._get_org_id_and_api_key(self._ORGANIZATIONS[hostname], video_id)
details = self._download_json(
'https://analytics.videoken.com/api/videoinfo_private', video_id, query={
'videoid': video_id,
'org_id': org_id,
}, headers={'Accept': 'application/json'}, note='Downloading VideoKen API JSON',
errnote='Failed to download VideoKen API JSON', fatal=False)
if details:
return next(self._extract_videos({'videos': [details]}, url))
# fallback for API error 400 response
elif video_id.startswith('slideslive-'):
return self.url_result(
self._create_slideslive_url(None, video_id, url), SlidesLiveIE, video_id)
elif re.match(r'^[\w-]{11}$', video_id):
self.url_result(video_id, 'Youtube', video_id)
else:
raise ExtractorError('Unable to extract without VideoKen API response')
class VideoKenPlayerIE(VideoKenBaseIE):
_VALID_URL = r'https?://player\.videoken\.com/embed/slideslive-(?P<id>\d+)'
_TESTS = [{
'url': 'https://player.videoken.com/embed/slideslive-38968434',
'info_dict': {
'id': '38968434',
'ext': 'mp4',
'title': 'Deep Learning with Label Differential Privacy',
'timestamp': 1643377020,
'upload_date': '20220128',
'thumbnail': r're:^https?://.*\.(?:jpg|png)',
'thumbnails': 'count:30',
'chapters': 'count:29',
},
'params': {
'skip_download': 'm3u8',
},
}]
def _real_extract(self, url):
video_id = self._match_id(url)
return self.url_result(
self._create_slideslive_url(None, video_id, url), SlidesLiveIE, video_id)
class VideoKenPlaylistIE(VideoKenBaseIE):
_VALID_URL = VideoKenBaseIE._BASE_URL_RE + r'(?:category/\d+/)?playlist/(?P<id>\d+)'
_TESTS = [{
'url': 'https://videos.icts.res.in/category/1822/playlist/381',
'playlist_mincount': 117,
'info_dict': {
'id': '381',
'title': 'Cosmology - The Next Decade',
},
}]
def _real_extract(self, url):
hostname, playlist_id = self._match_valid_url(url).group('host', 'id')
org_id, _ = self._get_org_id_and_api_key(self._ORGANIZATIONS[hostname], playlist_id)
videos = self._download_json(
f'https://analytics.videoken.com/api/{org_id}/playlistitems/{playlist_id}/',
playlist_id, headers={'Accept': 'application/json'}, note='Downloading API JSON')
return self.playlist_result(self._extract_videos(videos, url), playlist_id, videos.get('title'))
class VideoKenCategoryIE(VideoKenBaseIE):
_VALID_URL = VideoKenBaseIE._BASE_URL_RE + r'category/(?P<id>\d+)/?(?:$|[?#])'
_TESTS = [{
'url': 'https://videos.icts.res.in/category/1822/',
'playlist_mincount': 500,
'info_dict': {
'id': '1822',
'title': 'Programs',
},
}, {
'url': 'https://videos.neurips.cc/category/350/',
'playlist_mincount': 34,
'info_dict': {
'id': '350',
'title': 'NeurIPS 2018',
},
}, {
'url': 'https://videos.cncf.io/category/479/',
'playlist_mincount': 328,
'info_dict': {
'id': '479',
'title': 'KubeCon + CloudNativeCon Europe\'19',
},
}]
def _get_category_page(self, category_id, org_id, page=1, note=None):
return self._download_json(
f'https://analytics.videoken.com/api/videolake/{org_id}/category_videos', category_id,
fatal=False, note=note if note else f'Downloading category page {page}',
query={
'category_id': category_id,
'page_number': page,
'length': self._PAGE_SIZE,
}, headers={'Accept': 'application/json'}) or {}
def _entries(self, category_id, org_id, url, page):
videos = self._get_category_page(category_id, org_id, page + 1)
yield from self._extract_videos(videos, url)
def _real_extract(self, url):
hostname, category_id = self._match_valid_url(url).group('host', 'id')
org_id, _ = self._get_org_id_and_api_key(self._ORGANIZATIONS[hostname], category_id)
category_info = self._get_category_page(category_id, org_id, note='Downloading category info')
category = category_info['category_name']
total_pages = math.ceil(int(category_info['recordsTotal']) / self._PAGE_SIZE)
return self.playlist_result(InAdvancePagedList(
functools.partial(self._entries, category_id, org_id, url),
total_pages, self._PAGE_SIZE), category_id, category)
class VideoKenTopicIE(VideoKenBaseIE):
_VALID_URL = VideoKenBaseIE._BASE_URL_RE + r'topic/(?P<id>[^/#?]+)/?(?:$|[?#])'
_TESTS = [{
'url': 'https://videos.neurips.cc/topic/machine%20learning/',
'playlist_mincount': 500,
'info_dict': {
'id': 'machine_learning',
'title': 'machine learning',
},
}, {
'url': 'https://videos.icts.res.in/topic/gravitational%20waves/',
'playlist_mincount': 77,
'info_dict': {
'id': 'gravitational_waves',
'title': 'gravitational waves'
},
}, {
'url': 'https://videos.cncf.io/topic/prometheus/',
'playlist_mincount': 134,
'info_dict': {
'id': 'prometheus',
'title': 'prometheus',
},
}]
def _get_topic_page(self, topic, org_id, search_id, api_key, page=1, note=None):
return self._download_json(
'https://es.videoken.com/api/v1.0/get_results', topic, fatal=False, query={
'orgid': org_id,
'size': self._PAGE_SIZE,
'query': topic,
'page': page,
'sort': 'upload_desc',
'filter': 'all',
'token': api_key,
'is_topic': 'true',
'category': '',
'searchid': search_id,
}, headers={'Accept': 'application/json'},
note=note if note else f'Downloading topic page {page}') or {}
def _entries(self, topic, org_id, search_id, api_key, url, page):
videos = self._get_topic_page(topic, org_id, search_id, api_key, page + 1)
yield from self._extract_videos(videos, url)
def _real_extract(self, url):
hostname, topic_id = self._match_valid_url(url).group('host', 'id')
topic = urllib.parse.unquote(topic_id)
topic_id = topic.replace(' ', '_')
org_id, api_key = self._get_org_id_and_api_key(self._ORGANIZATIONS[hostname], topic)
search_id = base64.b64encode(f':{topic}:{int(time.time())}:transient'.encode()).decode()
total_pages = int_or_none(self._get_topic_page(
topic, org_id, search_id, api_key, note='Downloading topic info')['total_no_of_pages'])
return self.playlist_result(InAdvancePagedList(
functools.partial(self._entries, topic, org_id, search_id, api_key, url),
total_pages, self._PAGE_SIZE), topic_id, topic)
|
