[extractor/facebook] Improve metadata extraction

* add another data structure for video extraction
* modify metadata extraction due to site change
This commit is contained in:
kikuyan 2021-08-15 14:14:30 +09:00 committed by dirkf
parent 5014bd67c2
commit ab2df904e0

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@ -23,6 +23,7 @@ from ..utils import (
int_or_none,
js_to_json,
limit_length,
merge_dicts,
parse_count,
qualities,
sanitized_Request,
@ -82,8 +83,9 @@ class FacebookIE(InfoExtractor):
'info_dict': {
'id': '274175099429670',
'ext': 'mp4',
'title': 're:^Asif Nawab Butt posted a video',
'title': 'Asif Nawab Butt',
'uploader': 'Asif Nawab Butt',
'uploader_id': '100005115464446',
'upload_date': '20140506',
'timestamp': 1399398998,
'thumbnail': r're:^https?://.*',
@ -137,18 +139,20 @@ class FacebookIE(InfoExtractor):
'upload_date': '20160223',
'uploader': 'Barack Obama',
},
'skip': 'Gif on giphy.com gone',
}, {
# have 1080P, but only up to 720p in swf params
# data.video.story.attachments[].media
'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
'md5': '9571fae53d4165bbbadb17a94651dcdc',
'info_dict': {
'id': '10155529876156509',
'ext': 'mp4',
'title': 'She survived the holocaust — and years later, shes getting her citizenship s...',
'title': 'Holocaust survivor becomes US citizen',
'description': 'She survived the holocaust — and years later, shes getting her citizenship so she can vote for Hillary Clinton http://cnn.it/2eERh5f',
'timestamp': 1477818095,
'upload_date': '20161030',
'uploader': 'CNN',
'uploader_id': '5550296508',
'thumbnail': r're:^https?://.*',
'view_count': int,
},
@ -159,10 +163,12 @@ class FacebookIE(InfoExtractor):
'info_dict': {
'id': '1417995061575415',
'ext': 'mp4',
'title': 'md5:1db063d6a8c13faa8da727817339c857',
'title': 'Ukrainian Scientists Worldwide | Довгоочікуване відео',
'description': 'Довгоочікуване відео',
'timestamp': 1486648217,
'upload_date': '20170209',
'uploader': 'Yaroslav Korpan',
'uploader_id': '100000948048708',
},
'params': {
'skip_download': True,
@ -181,16 +187,20 @@ class FacebookIE(InfoExtractor):
'params': {
'skip_download': True,
},
# TODO: parse this webpage
'skip': 'Cannot parse webpage well',
}, {
# data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
'url': 'https://www.facebook.com/groups/1024490957622648/permalink/1396382447100162/',
'info_dict': {
'id': '1396382447100162',
'id': '202882990186699',
'ext': 'mp4',
'title': 'md5:19a428bbde91364e3de815383b54a235',
'title': 'birb (O v O\") | Hello? Yes your uber ride is here',
'description': 'md5:963dee8a667a2b49f2059cf7ab54fe55',
'timestamp': 1486035494,
'upload_date': '20170202',
'uploader': 'Elisabeth Ahtn',
'uploader_id': '100013949973717',
},
'params': {
'skip_download': True,
@ -231,8 +241,12 @@ class FacebookIE(InfoExtractor):
'info_dict': {
'id': '359649331226507',
'ext': 'mp4',
'title': '#ESLOne VoD - Birmingham Finals Day#1 Fnatic vs. @Evil Geniuses',
'title': 'Fnatic vs. EG - Group A - Opening Match - ESL One Birmingham Day 1',
'description': '#ESLOne VoD - Birmingham Finals Day#1 Fnatic vs. @Evil Geniuses',
'timestamp': 1527084179,
'upload_date': '20180523',
'uploader': 'ESL One Dota 2',
'uploader_id': '234218833769558',
},
'params': {
'skip_download': True,
@ -255,6 +269,7 @@ class FacebookIE(InfoExtractor):
'id': '10157667649866271',
},
'playlist_count': 3,
'skip': 'Requires logging in',
}, {
# data.nodes[].comet_sections.content.story.attachments[].style_type_renderer.attachment.media
'url': 'https://m.facebook.com/Alliance.Police.Department/posts/4048563708499330',
@ -279,6 +294,7 @@ class FacebookIE(InfoExtractor):
'upload_date': '20161122',
'timestamp': 1479793574,
},
'skip': 'No video',
}, {
# data.video.creation_story.attachments[].media
'url': 'https://www.facebook.com/watch/live/?v=1823658634322275',
@ -290,6 +306,18 @@ class FacebookIE(InfoExtractor):
},
'playlist_count': 1,
'skip': 'Requires logging in',
}, {
# data.node.comet_sections.content.story.attachments[].styles.attachment.media
'url': 'https://www.facebook.com/groups/352666925484718/permalink/1112505706167499/',
'info_dict': {
'id': '1080405282779948',
'ext': 'mp4',
'title': 'Best Chinese Song',
'timestamp': 1641225430,
'upload_date': '20220103',
'uploader_id': '1847991063',
'uploader': 'Best Chinese Song',
},
}]
_SUPPORTED_PAGLETS_REGEX = r'(?:pagelet_group_mall|permalink_video_pagelet|hyperfeed_story_id_[0-9a-f]+)'
_api_config = {
@ -381,6 +409,63 @@ class FacebookIE(InfoExtractor):
webpage = self._download_webpage(
url.replace('://m.facebook.com/', '://www.facebook.com/'), video_id)
def extract_metadata(webpage):
video_title = self._html_search_regex(
r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage,
'title', default=None)
if not video_title:
video_title = self._html_search_regex(
r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
webpage, 'alternative title', default=None)
if not video_title:
video_title = self._html_search_meta(
['og:title', 'twitter:title', 'description'],
webpage, 'title', default=None)
if video_title:
video_title = limit_length(video_title, 80)
else:
video_title = 'Facebook video #%s' % video_id
description = self._html_search_meta(
['description', 'og:description', 'twitter:description'],
webpage, 'description', default=None)
uploader = clean_html(get_element_by_id(
'fbPhotoPageAuthorName', webpage)) or self._search_regex(
r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader',
default=None) or self._og_search_title(webpage, default=None)
timestamp = int_or_none(self._search_regex(
r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
'timestamp', default=None))
thumbnail = self._html_search_meta(
['og:image', 'twitter:image'], webpage, 'thumbnail', default=None)
# some webpages contain unretrievable thumbnail urls
# like https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=10155168902769113&get_thumbnail=1
# in https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/
if thumbnail and not re.search(r'\.(?:jpg|png)', thumbnail):
thumbnail = None
view_count = parse_count(self._search_regex(
[r'\bviewCount\s*:\s*["\']([\d,.]+)', r'"video_view_count"\s*:\s*([\d,.]+)'],
webpage, 'view count', default=None))
info_dict = {
'title': video_title,
'description': description,
'uploader': uploader,
'timestamp': timestamp,
'thumbnail': thumbnail,
'view_count': view_count,
}
info_json_ld = self._search_json_ld(webpage, video_id, default={})
if not info_json_ld:
# expecting title, description, uploader, comment_count and like_count
info_json_ld = self._search_json_ld(
webpage, video_id, expected_type='SocialMediaPosting', default={})
# if we already have a non-generic title, honor that
if info_dict['title'] != 'Facebook video #%s' % video_id:
info_json_ld['title'] = info_dict['title']
if info_json_ld.get('title'):
info_json_ld['title'] = limit_length(
re.sub(r'\s*\|\s*Facebook$', '', info_json_ld['title']), 80)
return merge_dicts(info_json_ld, info_dict)
video_data = None
def extract_video_data(instances):
@ -492,7 +577,10 @@ class FacebookIE(InfoExtractor):
lambda x: x['attachments']
], list) or []
for attachment in attachments:
attachment = try_get(attachment, lambda x: x['style_type_renderer']['attachment'], dict)
attachment = try_get(attachment, [
lambda x: x['style_type_renderer']['attachment'],
lambda x: x['styles']['attachment']
], dict) or {}
ns = try_get(attachment, lambda x: x['all_subattachments']['nodes'], list) or []
for n in ns:
parse_attachment(n)
@ -513,7 +601,15 @@ class FacebookIE(InfoExtractor):
if not entries:
parse_graphql_video(video)
return self.playlist_result(entries, video_id)
if len(entries) > 1:
return self.playlist_result(entries, video_id)
video_info = entries[0]
webpage_info = extract_metadata(webpage)
# honor precise duration in video info
if video_info.get('duration'):
webpage_info['duration'] = video_info['duration']
return merge_dicts(webpage_info, video_info)
if not video_data:
m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
@ -633,43 +729,12 @@ class FacebookIE(InfoExtractor):
process_formats(formats)
video_title = self._html_search_regex(
r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage,
'title', default=None)
if not video_title:
video_title = self._html_search_regex(
r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
webpage, 'alternative title', default=None)
if not video_title:
video_title = self._html_search_meta(
'description', webpage, 'title', default=None)
if video_title:
video_title = limit_length(video_title, 80)
else:
video_title = 'Facebook video #%s' % video_id
uploader = clean_html(get_element_by_id(
'fbPhotoPageAuthorName', webpage)) or self._search_regex(
r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader',
default=None) or self._og_search_title(webpage, fatal=False)
timestamp = int_or_none(self._search_regex(
r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
'timestamp', default=None))
thumbnail = self._html_search_meta(['og:image', 'twitter:image'], webpage)
view_count = parse_count(self._search_regex(
r'\bviewCount\s*:\s*["\']([\d,.]+)', webpage, 'view count',
default=None))
info_dict = {
'id': video_id,
'title': video_title,
'formats': formats,
'uploader': uploader,
'timestamp': timestamp,
'thumbnail': thumbnail,
'view_count': view_count,
'subtitles': subtitles,
}
info_dict.update(extract_metadata(webpage))
return info_dict