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https://github.com/yt-dlp/yt-dlp.git
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simplify traversal on extraction of formats and subtitles
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Mozi
parent
a064d31dbe
commit
6551b10bd6
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@ -4,6 +4,7 @@
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from ..utils import (
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OnDemandPagedList,
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filter_dict,
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merge_dicts,
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update_url,
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url_or_none,
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)
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@ -12,7 +13,6 @@
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class UnderlinePosterIE(InfoExtractor):
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_VALID_URL = r'https://(?:www\.)?underline\.io/events/\d+/posters/\d+/poster/(?P<id>\d+)-[\w-]+/?(?:[#?]|$)'
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_TESTS = [{
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# Video and PPT
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'url': 'https://underline.io/events/342/posters/12863/poster/66466-towards-a-general-purpose-machine-translation-system-for-sranantongo',
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@ -21,16 +21,14 @@ class UnderlinePosterIE(InfoExtractor):
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'ext': 'mp4',
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'title': 'Towards a general purpose machine translation system for Sranantongo',
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'thumbnail': 'https://assets.underline.io/lecture/66466/poster_document_thumbnail_extract/2a8d3abd5a5edbf0117d8d9bdf018e6d.jpg',
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'live_status': 'not_live',
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},
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}, {
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# PPT only
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# no video, PPT only
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'url': 'https://underline.io/events/342/posters/12863/poster/66459-low-resourced-multilingual-neural-machine-translation-for-ometo-english',
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'info_dict': {
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'id': '66459',
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'title': 'Low Resourced Multilingual Neural Machine Translation for Ometo-English',
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'thumbnail': 'https://assets.underline.io/lecture/66459/poster_document_thumbnail_extract/69a3fd48e3bb137ddcf3099db637d184.jpg',
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'live_status': 'not_live',
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},
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'params': {
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'skip_download': True,
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@ -48,33 +46,34 @@ def _real_extract(self, url):
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data = self._search_nextjs_data(webpage, video_id)['props']['pageProps']['fallback']
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m3u8_url = traverse_obj(data, (..., 'data', 'attributes', 'playlist', {url_or_none}), get_all=False)
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subtitle_urls = filter_dict(dict(traverse_obj(data, (
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..., 'data', lambda _, v: v['type'] == 'transcripts', {lambda x: (
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x['relationships']['language']['data']['id'],
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url_or_none(x['attributes']['subtitleUrl']),
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)}))))
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formats = traverse_obj(data, (
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..., 'data', 'attributes', 'playlist', {url_or_none}, filter,
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{lambda x: self._extract_m3u8_formats(x, video_id)}, any))
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subtitles = {}
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subtitle_urls = traverse_obj(data, (..., 'data', lambda _, v: v['type'] == 'transcripts', {
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'id': ('relationships', 'language', 'data', 'id'),
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'url': ('attributes', 'subtitleUrl', {url_or_none}),
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}, {lambda x: {x['id']: x['url']}}, all, {lambda x: merge_dicts(*x)}, {filter_dict}), default={})
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if subtitle_urls:
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traverse_obj(data, (..., 'included', lambda _, v: v['type'] == 'transcript_languages', {
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'tag': ('attributes', 'locale'),
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'url': ('id', {subtitle_urls.get}),
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}, {filter_dict}, {lambda x: self._merge_subtitles({x['tag']: [{'url': x['url']}]}, target=subtitles)}))
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return {
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'id': video_id,
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'title': traverse_obj(data, (..., 'data', 'attributes', 'title', {str}), get_all=False),
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'thumbnail': traverse_obj(data, (
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..., 'data', 'attributes', 'originalPosterDocumentThumbnailExtractUrl', {url_or_none}), get_all=False),
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'formats': self._extract_m3u8_formats(m3u8_url, video_id) if m3u8_url else [],
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'subtitles': filter_dict(dict(traverse_obj(data, (
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..., 'included', lambda _, v: v['type'] == 'transcript_languages', {lambda x: (
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x['attributes']['locale'],
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[{'url': subtitle_urls[x['id']]}],
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)})))),
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'live_status': 'not_live',
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'title': traverse_obj(data, (..., 'data', 'attributes', 'title', {str}, any)),
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'thumbnail': traverse_obj(data, (..., 'data', 'attributes', 'originalPosterDocumentThumbnailExtractUrl', {url_or_none}, any)),
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'formats': formats,
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'subtitles': subtitles,
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}
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class UnderlinePosterListIE(InfoExtractor):
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_VALID_URL = r'https://(?:www\.)?underline\.io/events/(?P<event_id>\d+)/posters/?\?(?:[^&]+&)*?eventSessionId=(?P<event_session_id>\d+)(?:&|#)?'
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_VALID_URL = r'https://(?:www\.)?underline\.io/events/(?P<event_id>\d+)/posters/?\?(?:[^&]+&)*?eventSessionId=(?P<session_id>\d+)(?:&|#)?'
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_HEADERS = {'Accept': 'application/vnd.api+json'}
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_PAGE_SIZE = 16
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_TESTS = [{
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'url': 'https://underline.io/events/342/posters?eventSessionId=12863',
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'info_dict': {
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@ -88,23 +87,29 @@ class UnderlinePosterListIE(InfoExtractor):
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'only_matching': True,
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}]
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def _fetch_paged_channel_video_list(self, list_url, event_id, event_session_id, page):
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def _fetch_paged_channel_video_list(self, list_url, event_id, session_id, page):
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page_num = page + 1
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video_url_tmpl = f'https://underline.io/events/{event_id}/posters/{event_session_id}/poster/{{id}}-{{slug}}'
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video_url_tmpl = f'https://underline.io/events/{event_id}/posters/{session_id}/poster/{{id}}-{{slug}}'
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page_info = self._download_json(update_url(
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list_url, query_update={'page[number]': page_num}), event_session_id, headers=self._HEADERS,
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list_url, query_update={'page[number]': page_num}), session_id, headers=self._HEADERS,
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note=f'Downloading list info (page {page_num})', errnote=f'Failed to download list info (page {page_num})')
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yield from traverse_obj(page_info, (
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'data', ..., {lambda x: video_url_tmpl.format(id=x['id'], slug=x['attributes']['slug'])}, {self.url_result}))
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def _real_extract(self, url):
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event_id, event_session_id = self._match_valid_url(url).groups()
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event_id, session_id = self._match_valid_url(url).groups()
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event_info = self._download_json(
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f'https://app.underline.io/api/v1/thin_event_sessions/{event_session_id}', event_session_id, headers=self._HEADERS,
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note='Downloading event session info', errnote='Failed to download event session info')
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session_info = {
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**traverse_obj(self._download_json(
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f'https://app.underline.io/api/v1/thin_event_sessions/{session_id}', session_id,
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headers=self._HEADERS, note='Downloading session info', errnote='Failed to download session info'), ({
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'title': ('data', 'attributes', 'name'),
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'description': ('data', 'attributes', 'description'),
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}, any)),
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'id': session_id,
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}
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return self.playlist_result(OnDemandPagedList(functools.partial(
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self._fetch_paged_channel_video_list,
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@ -115,9 +120,7 @@ def _real_extract(self, url):
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'include': 'sorted_profiles,event_session,tag,event',
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'filter[scope]': 'all',
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'filter[event_id]': event_id,
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'filter[event_session_id]': event_session_id,
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'filter[event_session_id]': session_id,
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'page[size]': self._PAGE_SIZE,
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}), event_id, event_session_id), self._PAGE_SIZE),
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event_session_id,
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traverse_obj(event_info, ('data', 'attributes', 'name'), get_all=False),
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traverse_obj(event_info, ('data', 'attributes', 'description'), get_all=False))
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}), event_id, session_id), self._PAGE_SIZE),
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**session_info)
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