[ie/underline] Add extractor

This commit is contained in:
Mozi 2024-08-29 18:03:17 +00:00
parent ad9a8115aa
commit 80f4885fb0
2 changed files with 127 additions and 0 deletions

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@ -2243,6 +2243,10 @@ from .ufctv import (
from .ukcolumn import UkColumnIE
from .uktvplay import UKTVPlayIE
from .umg import UMGDeIE
from .underline import (
UnderlinePosterIE,
UnderlinePosterListIE,
)
from .unistra import UnistraIE
from .unity import UnityIE
from .unsupported import (

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@ -0,0 +1,123 @@
import functools
from .common import InfoExtractor
from ..utils import (
OnDemandPagedList,
filter_dict,
update_url,
url_or_none,
)
from ..utils.traversal import traverse_obj
class UnderlinePosterIE(InfoExtractor):
_VALID_URL = r'https://(?:www\.)?underline\.io/events/\d+/posters/\d+/poster/(?P<id>\d+)-[\w-]+/?(?:[#?]|$)'
_TESTS = [{
# Video and PPT
'url': 'https://underline.io/events/342/posters/12863/poster/66466-towards-a-general-purpose-machine-translation-system-for-sranantongo',
'info_dict': {
'id': '66466',
'ext': 'mp4',
'title': 'Towards a general purpose machine translation system for Sranantongo',
'thumbnail': 'https://assets.underline.io/lecture/66466/poster_document_thumbnail_extract/2a8d3abd5a5edbf0117d8d9bdf018e6d.jpg',
'live_status': 'not_live',
},
}, {
# PPT only
'url': 'https://underline.io/events/342/posters/12863/poster/66459-low-resourced-multilingual-neural-machine-translation-for-ometo-english',
'info_dict': {
'id': '66459',
'title': 'Low Resourced Multilingual Neural Machine Translation for Ometo-English',
'thumbnail': 'https://assets.underline.io/lecture/66459/poster_document_thumbnail_extract/69a3fd48e3bb137ddcf3099db637d184.jpg',
'live_status': 'not_live',
},
'params': {
'skip_download': True,
'ignore_no_formats_error': True,
},
'expected_warnings': ['No video formats found!', 'Requested format is not available'],
}, {
'url': 'https://www.underline.io/events/342/posters/12863/poster/66463-mbti-personality-prediction-approach-on-persian-twitter/?tab=video',
'only_matching': True,
}]
def _real_extract(self, url):
video_id = self._match_id(url)
webpage = self._download_webpage(url, video_id)
data = self._search_nextjs_data(webpage, video_id)['props']['pageProps']['fallback']
m3u8_url = traverse_obj(data, (..., 'data', 'attributes', 'playlist', {url_or_none}), get_all=False)
subtitle_urls = filter_dict(dict(traverse_obj(data, (..., 'data', lambda _, v: v['type'] == 'transcripts', {
lambda x: (
x['relationships']['language']['data']['id'],
url_or_none(x['attributes']['subtitleUrl']),
)}))))
return {
'id': video_id,
'title': traverse_obj(data, (..., 'data', 'attributes', 'title', {str}), get_all=False),
'thumbnail': traverse_obj(
data, (..., 'data', 'attributes', 'originalPosterDocumentThumbnailExtractUrl', {url_or_none}), get_all=False),
'formats': self._extract_m3u8_formats(m3u8_url, video_id, fatal=False) if m3u8_url else [],
'subtitles': filter_dict(dict(traverse_obj(data, (
..., 'included', lambda _, v: v['type'] == 'transcript_languages', {lambda x: (
x['attributes']['locale'],
[{'url': subtitle_urls[x['id']]}],
)})))),
'live_status': 'not_live',
}
class UnderlinePosterListIE(InfoExtractor):
_VALID_URL = r'https://(?:www\.)?underline\.io/events/(?P<event_id>\d+)/posters/?\?(?:[^&]+&)*?eventSessionId=(?P<event_session_id>\d+)(?:&|#)?'
_HEADERS = {'Accept': 'application/vnd.api+json'}
_PAGE_SIZE = 16
_TESTS = [{
'url': 'https://underline.io/events/342/posters?eventSessionId=12863',
'info_dict': {
'id': '12863',
'title': 'W13 (WiNLP) The Sixth Widening NLP Workshop',
'description': r're:.+Isidora Tourni and Surangika Ranathunga.+',
},
'playlist_mincount': 10,
}, {
'url': 'https://www.underline.io/events/342/posters?searchGroup=lecture&eventSessionId=12860',
'only_matching': True,
}]
def _fetch_paged_channel_video_list(self, list_url, event_id, event_session_id, page):
page_num = page + 1
video_url_tmpl = f'https://underline.io/events/{event_id}/posters/{event_session_id}/poster/{{id}}-{{slug}}'
page_info = self._download_json(update_url(
list_url, query_update={'page[number]': page_num}), event_session_id, headers=self._HEADERS,
note=f'Downloading list info (page {page_num})', errnote=f'Failed to download list info (page {page_num})')
yield from traverse_obj(page_info, (
'data', ..., {lambda x: video_url_tmpl.format(id=x['id'], slug=x['attributes']['slug'])}, {self.url_result}))
def _real_extract(self, url):
event_id, event_session_id = self._match_valid_url(url).groups()
event_info = self._download_json(
f'https://app.underline.io/api/v1/thin_event_sessions/{event_session_id}', event_session_id, headers=self._HEADERS,
note='Downloading event session info', errnote='Failed to download event session info')
return self.playlist_result(OnDemandPagedList(functools.partial(
self._fetch_paged_channel_video_list,
update_url('https://app.underline.io/api/v1/thin_lectures', query_update={
'filter[poster_lecture]': 'true',
'filter[published]': 'all',
'sort': 'held_at,id',
'include': 'sorted_profiles,event_session,tag,event',
'filter[scope]': 'all',
'filter[event_id]': event_id,
'filter[event_session_id]': event_session_id,
'page[size]': self._PAGE_SIZE,
}), event_id, event_session_id), self._PAGE_SIZE),
event_session_id,
traverse_obj(event_info, ('data', 'attributes', 'name'), get_all=False),
traverse_obj(event_info, ('data', 'attributes', 'description'), get_all=False))