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[ie/facebook] Support events (#9055)
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Closes #5355
Authored by: kclauhk
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@kclauhk
kclauhk committed Jan 29, 2024
1 parent 999ea80 commit 9b5efaf
Showing 1 changed file with 45 additions and 32 deletions.
77 changes: 45 additions & 32 deletions yt_dlp/extractor/facebook.py
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Expand Up @@ -54,6 +54,7 @@ class FacebookIE(InfoExtractor):
)\?(?:.*?)(?:v|video_id|story_fbid)=|
[^/]+/videos/(?:[^/]+/)?|
[^/]+/posts/|
events/(?:[^/]+/)?|
groups/[^/]+/(?:permalink|posts)/|
watchparty/
)|
Expand Down Expand Up @@ -399,6 +400,18 @@ class FacebookIE(InfoExtractor):
},
'playlist_count': 1,
'skip': 'Requires logging in',
}, {
# data.event.cover_media_renderer.cover_video
'url': 'https://m.facebook.com/events/1509582499515440',
'info_dict': {
'id': '637246984455045',
'ext': 'mp4',
'title': 'ANALISI IN CAMPO OSCURO " Coaguli nel sangue dei vaccinati"',
'description': 'Other event by Comitato Liberi Pensatori on Tuesday, October 18 2022',
'thumbnail': r're:^https?://.*',
'uploader': 'Comitato Liberi Pensatori',
'uploader_id': '100065709540881',
},
}]
_SUPPORTED_PAGLETS_REGEX = r'(?:pagelet_group_mall|permalink_video_pagelet|hyperfeed_story_id_[0-9a-f]+)'
_api_config = {
Expand Down Expand Up @@ -473,38 +486,10 @@ def extract_metadata(webpage):
r'data-sjs>({.*?ScheduledServerJS.*?})</script>', webpage)]
post = traverse_obj(post_data, (
..., 'require', ..., ..., ..., '__bbox', 'require', ..., ..., ..., '__bbox', 'result', 'data'), expected_type=dict) or []

automatic_captions, subtitles = {}, {}
subs_data = traverse_obj(post, (..., 'video', ..., 'attachments', ..., lambda k, v: (
k == 'media' and str(v['id']) == video_id and v['__typename'] == 'Video')))
is_video_broadcast = get_first(subs_data, 'is_video_broadcast', expected_type=bool)
captions = get_first(subs_data, 'video_available_captions_locales', 'captions_url')
if url_or_none(captions): # if subs_data only had a 'captions_url'
locale = self._html_search_meta(['og:locale', 'twitter:locale'], webpage, 'locale', default='en_US')
subtitles[locale] = [{'url': captions}]
# or else subs_data had 'video_available_captions_locales', a list of dicts
for caption in traverse_obj(captions, (
{lambda x: sorted(x, key=lambda c: c['locale'])}, lambda _, v: v['captions_url'])
):
lang = caption.get('localized_language') or ''
subs = {
'url': caption['captions_url'],
'name': format_field(caption, 'localized_country', f'{lang} (%s)', default=lang),
}
if caption.get('localized_creation_method') or is_video_broadcast:
automatic_captions.setdefault(caption['locale'], []).append(subs)
else:
subtitles.setdefault(caption['locale'], []).append(subs)

media = traverse_obj(post, (..., 'attachments', ..., lambda k, v: (
k == 'media' and str(v['id']) == video_id and v['__typename'] == 'Video')), expected_type=dict)
title = get_first(media, ('title', 'text'))
description = get_first(media, ('creation_story', 'comet_sections', 'message', 'story', 'message', 'text'))
uploader_data = (
get_first(media, ('owner', {dict}))
or get_first(post, (..., 'video', lambda k, v: k == 'owner' and v['name']))
or get_first(post, ('node', 'actors', ..., {dict})) or {})

page_title = title or self._html_search_regex((
r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>(?P<content>[^<]*)</h2>',
r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(?P<content>.*?)</span>',
Expand All @@ -513,11 +498,15 @@ def extract_metadata(webpage):
description = description or self._html_search_meta(
['description', 'og:description', 'twitter:description'],
webpage, 'description', default=None)
uploader_data = (
get_first(media, ('owner', {dict}))
or get_first(post, (..., 'video', lambda k, v: k == 'owner' and v['name']))
or get_first(post, ('node', 'actors', ..., {dict}))
or get_first(post, ('event', 'event_creator', {dict})) or {})
uploader = uploader_data.get('name') or (
clean_html(get_element_by_id('fbPhotoPageAuthorName', webpage))
or self._search_regex(
(r'ownerName\s*:\s*"([^"]+)"', *self._og_regexes('title')), webpage, 'uploader', fatal=False))

timestamp = int_or_none(self._search_regex(
r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
'timestamp', default=None))
Expand All @@ -539,8 +528,6 @@ def extract_metadata(webpage):
webpage, 'view count', default=None)),
'concurrent_view_count': get_first(post, (
('video', (..., ..., 'attachments', ..., 'media')), 'liveViewerCount', {int_or_none})),
'automatic_captions': automatic_captions,
'subtitles': subtitles,
}

info_json_ld = self._search_json_ld(webpage, video_id, default={})
Expand Down Expand Up @@ -638,6 +625,29 @@ def parse_graphql_video(video):
'url': playable_url,
})
extract_dash_manifest(video, formats)

automatic_captions, subtitles = {}, {}
is_broadcast = traverse_obj(video, ('is_video_broadcast', {bool}))
for caption in traverse_obj(video, (
'video_available_captions_locales',
{lambda x: sorted(x, key=lambda c: c['locale'])},
lambda _, v: url_or_none(v['captions_url'])
)):
lang = caption.get('localized_language') or 'und'
subs = {
'url': caption['captions_url'],
'name': format_field(caption, 'localized_country', f'{lang} (%s)', default=lang),
}
if caption.get('localized_creation_method') or is_broadcast:
automatic_captions.setdefault(caption['locale'], []).append(subs)
else:
subtitles.setdefault(caption['locale'], []).append(subs)
captions_url = traverse_obj(video, ('captions_url', {url_or_none}))
if captions_url and not automatic_captions and not subtitles:
locale = self._html_search_meta(
['og:locale', 'twitter:locale'], webpage, 'locale', default='en_US')
(automatic_captions if is_broadcast else subtitles)[locale] = [{'url': captions_url}]

info = {
'id': v_id,
'formats': formats,
Expand All @@ -647,6 +657,8 @@ def parse_graphql_video(video):
'timestamp': traverse_obj(video, 'publish_time', 'creation_time', expected_type=int_or_none),
'duration': (float_or_none(video.get('playable_duration_in_ms'), 1000)
or float_or_none(video.get('length_in_second'))),
'automatic_captions': automatic_captions,
'subtitles': subtitles,
}
process_formats(info)
description = try_get(video, lambda x: x['savable_description']['text'])
Expand Down Expand Up @@ -681,7 +693,8 @@ def parse_attachment(attachment, key='media'):
for edge in edges:
parse_attachment(edge, key='node')

video = data.get('video') or {}
video = traverse_obj(data, (
'event', 'cover_media_renderer', 'cover_video'), 'video', expected_type=dict) or {}
if video:
attachments = try_get(video, [
lambda x: x['story']['attachments'],
Expand Down

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