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[extractor/slideslive] Fix extractor (#5737)

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Closes #1532
Authored by: bashonly, Grub4K
pull/5761/head
bashonly 1 year ago committed by GitHub
parent e74a3c6dcc
commit f69b0554eb
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1 changed files with 124 additions and 39 deletions
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163
yt_dlp/extractor/slideslive.py
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@ -1,92 +1,176 @@
from .common import InfoExtractor
from ..utils import (
bool_or_none,
smuggle_url,
try_get,
traverse_obj,
unified_timestamp,
url_or_none,
)
class SlidesLiveIE(InfoExtractor):
_VALID_URL = r'https?://slideslive\.com/(?P<id>[0-9]+)'
_WORKING = False
_TESTS = [{
# video_service_name = YOUTUBE
# service_name = yoda
'url': 'https://slideslive.com/38902413/gcc-ia16-backend',
'md5': 'b29fcd6c6952d0c79c5079b0e7a07e6f',
'info_dict': {
'id': 'LMtgR8ba0b0',
'id': '38902413',
'ext': 'mp4',
'title': 'GCC IA16 backend',
'description': 'Watch full version of this video at https://slideslive.com/38902413.',
'uploader': 'SlidesLive Videos - A',
'uploader_id': 'UC62SdArr41t_-_fX40QCLRw',
'timestamp': 1597615266,
'upload_date': '20170925',
}
'timestamp': 1648189972,
'upload_date': '20220325',
'thumbnail': r're:^https?://.*\.jpg',
},
'params': {
'skip_download': 'm3u8',
},
}, {
# video_service_name = yoda
# service_name = yoda
'url': 'https://slideslive.com/38935785',
'md5': '575cd7a6c0acc6e28422fe76dd4bcb1a',
'info_dict': {
'id': 'RMraDYN5ozA_',
'id': '38935785',
'ext': 'mp4',
'title': 'Offline Reinforcement Learning: From Algorithms to Practical Challenges',
'upload_date': '20211115',
'timestamp': 1636996003,
'thumbnail': r're:^https?://.*\.jpg',
},
'params': {
'skip_download': 'm3u8',
},
}, {
# service_name = yoda
'url': 'https://slideslive.com/38973182/how-should-a-machine-learning-researcher-think-about-ai-ethics',
'info_dict': {
'id': '38973182',
'ext': 'mp4',
'title': 'How Should a Machine Learning Researcher Think About AI Ethics?',
'upload_date': '20220201',
'thumbnail': r're:^https?://.*\.jpg',
'timestamp': 1643728135,
},
'params': {
'skip_download': 'm3u8',
},
}, {
# video_service_name = youtube
# service_name = youtube
'url': 'https://slideslive.com/38897546/special-metaprednaska-petra-ludwiga-hodnoty-pro-lepsi-spolecnost',
'md5': '8a79b5e3d700837f40bd2afca3c8fa01',
'info_dict': {
'id': 'jmg02wCJD5M',
'display_id': '38897546',
'ext': 'mp4',
'title': 'SPECIÁL: Meta-přednáška Petra Ludwiga - Hodnoty pro lepší společnost',
'description': 'Watch full version of this video at https://slideslive.com/38897546.',
'channel_url': 'https://www.youtube.com/channel/UCZWdAkNYFncuX0khyvhqnxw',
'channel': 'SlidesLive Videos - G1',
'channel_id': 'UCZWdAkNYFncuX0khyvhqnxw',
'uploader_id': 'UCZWdAkNYFncuX0khyvhqnxw',
'uploader': 'SlidesLive Videos - G1',
'uploader_url': 'http://www.youtube.com/channel/UCZWdAkNYFncuX0khyvhqnxw',
'live_status': 'not_live',
'upload_date': '20160710',
'timestamp': 1618786715,
'duration': 6827,
'like_count': int,
'view_count': int,
'comment_count': int,
'channel_follower_count': int,
'age_limit': 0,
'thumbnail': r're:^https?://.*\.jpg',
'playable_in_embed': True,
'availability': 'unlisted',
'tags': [],
'categories': ['People & Blogs'],
},
}, {
# service_name = youtube
'url': 'https://slideslive.com/38903721/magic-a-scientific-resurrection-of-an-esoteric-legend',
'only_matching': True,
}, {
# video_service_name = url
# service_name = url
'url': 'https://slideslive.com/38922070/learning-transferable-skills-1',
'only_matching': True,
}, {
# video_service_name = vimeo
# service_name = vimeo
'url': 'https://slideslive.com/38921896/retrospectives-a-venue-for-selfreflection-in-ml-research-3',
'only_matching': True,
}]
def _extract_custom_m3u8_info(self, m3u8_data):
m3u8_dict = {}
lookup = {
'PRESENTATION-TITLE': 'title',
'PRESENTATION-UPDATED-AT': 'timestamp',
'PRESENTATION-THUMBNAIL': 'thumbnail',
'PLAYLIST-TYPE': 'playlist_type',
'VOD-VIDEO-SERVICE-NAME': 'service_name',
'VOD-VIDEO-ID': 'service_id',
'VOD-VIDEO-SERVERS': 'video_servers',
'VOD-SUBTITLES': 'subtitles',
}
for line in m3u8_data.splitlines():
if not line.startswith('#EXT-SL-'):
continue
tag, _, value = line.partition(':')
key = lookup.get(tag.lstrip('#EXT-SL-'))
if not key:
continue
m3u8_dict[key] = value
# Some values are stringified JSON arrays
for key in ('video_servers', 'subtitles'):
if key in m3u8_dict:
m3u8_dict[key] = self._parse_json(m3u8_dict[key], None, fatal=False) or []
return m3u8_dict
def _real_extract(self, url):
video_id = self._match_id(url)
video_data = self._download_json(
'https://ben.slideslive.com/player/' + video_id, video_id)
service_name = video_data['video_service_name'].lower()
webpage = self._download_webpage(url, video_id)
player_token = self._search_regex(r'data-player-token="([^"]+)"', webpage, 'player token')
player_data = self._download_webpage(
f'https://ben.slideslive.com/player/{video_id}', video_id,
note='Downloading player info', query={'player_token': player_token})
player_info = self._extract_custom_m3u8_info(player_data)
service_name = player_info['service_name'].lower()
assert service_name in ('url', 'yoda', 'vimeo', 'youtube')
service_id = video_data['video_service_id']
service_id = player_info['service_id']
subtitles = {}
for sub in try_get(video_data, lambda x: x['subtitles'], list) or []:
if not isinstance(sub, dict):
continue
for sub in traverse_obj(player_info, ('subtitles', ...), expected_type=dict):
webvtt_url = url_or_none(sub.get('webvtt_url'))
if not webvtt_url:
continue
lang = sub.get('language') or 'en'
subtitles.setdefault(lang, []).append({
subtitles.setdefault(sub.get('language') or 'en', []).append({
'url': webvtt_url,
'ext': 'vtt',
})
info = {
'id': video_id,
'thumbnail': video_data.get('thumbnail'),
'is_live': bool_or_none(video_data.get('is_live')),
'title': player_info.get('title') or self._html_search_meta('title', webpage, default=''),
'timestamp': unified_timestamp(player_info.get('timestamp')),
'is_live': player_info.get('playlist_type') != 'vod',
'thumbnail': url_or_none(player_info.get('thumbnail')),
'subtitles': subtitles,
}
if service_name in ('url', 'yoda'):
info['title'] = video_data['title']
if service_name == 'url':
info['url'] = service_id
else:
cdn_hostname = player_info['video_servers'][0]
formats = []
_MANIFEST_PATTERN = 'https://01.cdn.yoda.slideslive.com/%s/master.%s'
# use `m3u8` entry_protocol until EXT-X-MAP is properly supported by `m3u8_native` entry_protocol
formats.extend(self._extract_m3u8_formats(
_MANIFEST_PATTERN % (service_id, 'm3u8'),
service_id, 'mp4', m3u8_id='hls', fatal=False))
f'https://{cdn_hostname}/{service_id}/master.m3u8',
video_id, 'mp4', m3u8_id='hls', fatal=False, live=True))
formats.extend(self._extract_mpd_formats(
_MANIFEST_PATTERN % (service_id, 'mpd'), service_id,
mpd_id='dash', fatal=False))
f'https://{cdn_hostname}/{service_id}/master.mpd',
video_id, mpd_id='dash', fatal=False))
info.update({
'id': service_id,
'formats': formats,
})
else:
@ -94,10 +178,11 @@ class SlidesLiveIE(InfoExtractor):
'_type': 'url_transparent',
'url': service_id,
'ie_key': service_name.capitalize(),
'title': video_data.get('title'),
'display_id': video_id,
})
if service_name == 'vimeo':
info['url'] = smuggle_url(
'https://player.vimeo.com/video/' + service_id,
f'https://player.vimeo.com/video/{service_id}',
{'http_headers': {'Referer': url}})
return info

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