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https://github.com/ytdl-org/youtube-dl.git
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[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
dirkf
parent
5014bd67c2
commit
ab2df904e0
1 changed files with 106 additions and 41 deletions
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@ -23,6 +23,7 @@ from ..utils import (
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int_or_none,
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js_to_json,
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limit_length,
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merge_dicts,
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parse_count,
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qualities,
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sanitized_Request,
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@ -82,8 +83,9 @@ class FacebookIE(InfoExtractor):
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'info_dict': {
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'id': '274175099429670',
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'ext': 'mp4',
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'title': 're:^Asif Nawab Butt posted a video',
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'title': 'Asif Nawab Butt',
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'uploader': 'Asif Nawab Butt',
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'uploader_id': '100005115464446',
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'upload_date': '20140506',
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'timestamp': 1399398998,
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'thumbnail': r're:^https?://.*',
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@ -137,18 +139,20 @@ class FacebookIE(InfoExtractor):
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'upload_date': '20160223',
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'uploader': 'Barack Obama',
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},
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'skip': 'Gif on giphy.com gone',
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}, {
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# have 1080P, but only up to 720p in swf params
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# data.video.story.attachments[].media
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'url': 'https://www.facebook.com/cnn/videos/10155529876156509/',
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'md5': '9571fae53d4165bbbadb17a94651dcdc',
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'info_dict': {
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'id': '10155529876156509',
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'ext': 'mp4',
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'title': 'She survived the holocaust — and years later, she’s getting her citizenship s...',
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'title': 'Holocaust survivor becomes US citizen',
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'description': 'She survived the holocaust — and years later, she’s getting her citizenship so she can vote for Hillary Clinton http://cnn.it/2eERh5f',
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'timestamp': 1477818095,
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'upload_date': '20161030',
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'uploader': 'CNN',
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'uploader_id': '5550296508',
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'thumbnail': r're:^https?://.*',
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'view_count': int,
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},
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@ -159,10 +163,12 @@ class FacebookIE(InfoExtractor):
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'info_dict': {
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'id': '1417995061575415',
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'ext': 'mp4',
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'title': 'md5:1db063d6a8c13faa8da727817339c857',
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'title': 'Ukrainian Scientists Worldwide | Довгоочікуване відео',
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'description': 'Довгоочікуване відео',
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'timestamp': 1486648217,
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'upload_date': '20170209',
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'uploader': 'Yaroslav Korpan',
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'uploader_id': '100000948048708',
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},
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'params': {
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'skip_download': True,
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@ -181,16 +187,20 @@ class FacebookIE(InfoExtractor):
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'params': {
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'skip_download': True,
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},
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# TODO: parse this webpage
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'skip': 'Cannot parse webpage well',
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}, {
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# data.node.comet_sections.content.story.attachments[].style_type_renderer.attachment.media
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'url': 'https://www.facebook.com/groups/1024490957622648/permalink/1396382447100162/',
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'info_dict': {
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'id': '1396382447100162',
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'id': '202882990186699',
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'ext': 'mp4',
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'title': 'md5:19a428bbde91364e3de815383b54a235',
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'title': 'birb (O v O\") | Hello? Yes your uber ride is here',
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'description': 'md5:963dee8a667a2b49f2059cf7ab54fe55',
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'timestamp': 1486035494,
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'upload_date': '20170202',
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'uploader': 'Elisabeth Ahtn',
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'uploader_id': '100013949973717',
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},
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'params': {
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'skip_download': True,
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@ -231,8 +241,12 @@ class FacebookIE(InfoExtractor):
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'info_dict': {
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'id': '359649331226507',
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'ext': 'mp4',
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'title': '#ESLOne VoD - Birmingham Finals Day#1 Fnatic vs. @Evil Geniuses',
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'title': 'Fnatic vs. EG - Group A - Opening Match - ESL One Birmingham Day 1',
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'description': '#ESLOne VoD - Birmingham Finals Day#1 Fnatic vs. @Evil Geniuses',
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'timestamp': 1527084179,
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'upload_date': '20180523',
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'uploader': 'ESL One Dota 2',
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'uploader_id': '234218833769558',
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},
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'params': {
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'skip_download': True,
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@ -255,6 +269,7 @@ class FacebookIE(InfoExtractor):
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'id': '10157667649866271',
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},
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'playlist_count': 3,
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'skip': 'Requires logging in',
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}, {
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# data.nodes[].comet_sections.content.story.attachments[].style_type_renderer.attachment.media
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'url': 'https://m.facebook.com/Alliance.Police.Department/posts/4048563708499330',
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@ -279,6 +294,7 @@ class FacebookIE(InfoExtractor):
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'upload_date': '20161122',
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'timestamp': 1479793574,
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},
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'skip': 'No video',
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}, {
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# data.video.creation_story.attachments[].media
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'url': 'https://www.facebook.com/watch/live/?v=1823658634322275',
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@ -290,6 +306,18 @@ class FacebookIE(InfoExtractor):
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},
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'playlist_count': 1,
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'skip': 'Requires logging in',
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}, {
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# data.node.comet_sections.content.story.attachments[].styles.attachment.media
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'url': 'https://www.facebook.com/groups/352666925484718/permalink/1112505706167499/',
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'info_dict': {
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'id': '1080405282779948',
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'ext': 'mp4',
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'title': 'Best Chinese Song',
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'timestamp': 1641225430,
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'upload_date': '20220103',
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'uploader_id': '1847991063',
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'uploader': 'Best Chinese Song',
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},
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}]
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_SUPPORTED_PAGLETS_REGEX = r'(?:pagelet_group_mall|permalink_video_pagelet|hyperfeed_story_id_[0-9a-f]+)'
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_api_config = {
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@ -381,6 +409,63 @@ class FacebookIE(InfoExtractor):
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webpage = self._download_webpage(
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url.replace('://m.facebook.com/', '://www.facebook.com/'), video_id)
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def extract_metadata(webpage):
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video_title = self._html_search_regex(
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r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage,
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'title', default=None)
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if not video_title:
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video_title = self._html_search_regex(
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r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
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webpage, 'alternative title', default=None)
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if not video_title:
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video_title = self._html_search_meta(
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['og:title', 'twitter:title', 'description'],
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webpage, 'title', default=None)
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if video_title:
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video_title = limit_length(video_title, 80)
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else:
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video_title = 'Facebook video #%s' % video_id
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description = self._html_search_meta(
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['description', 'og:description', 'twitter:description'],
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webpage, 'description', default=None)
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uploader = clean_html(get_element_by_id(
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'fbPhotoPageAuthorName', webpage)) or self._search_regex(
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r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader',
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default=None) or self._og_search_title(webpage, default=None)
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timestamp = int_or_none(self._search_regex(
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r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
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'timestamp', default=None))
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thumbnail = self._html_search_meta(
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['og:image', 'twitter:image'], webpage, 'thumbnail', default=None)
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# some webpages contain unretrievable thumbnail urls
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# like https://lookaside.fbsbx.com/lookaside/crawler/media/?media_id=10155168902769113&get_thumbnail=1
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# in https://www.facebook.com/yaroslav.korpan/videos/1417995061575415/
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if thumbnail and not re.search(r'\.(?:jpg|png)', thumbnail):
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thumbnail = None
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view_count = parse_count(self._search_regex(
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[r'\bviewCount\s*:\s*["\']([\d,.]+)', r'"video_view_count"\s*:\s*([\d,.]+)'],
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webpage, 'view count', default=None))
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info_dict = {
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'title': video_title,
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'description': description,
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'uploader': uploader,
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'timestamp': timestamp,
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'thumbnail': thumbnail,
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'view_count': view_count,
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}
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info_json_ld = self._search_json_ld(webpage, video_id, default={})
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if not info_json_ld:
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# expecting title, description, uploader, comment_count and like_count
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info_json_ld = self._search_json_ld(
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webpage, video_id, expected_type='SocialMediaPosting', default={})
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# if we already have a non-generic title, honor that
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if info_dict['title'] != 'Facebook video #%s' % video_id:
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info_json_ld['title'] = info_dict['title']
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if info_json_ld.get('title'):
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info_json_ld['title'] = limit_length(
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re.sub(r'\s*\|\s*Facebook$', '', info_json_ld['title']), 80)
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return merge_dicts(info_json_ld, info_dict)
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video_data = None
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def extract_video_data(instances):
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@ -492,7 +577,10 @@ class FacebookIE(InfoExtractor):
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lambda x: x['attachments']
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], list) or []
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for attachment in attachments:
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attachment = try_get(attachment, lambda x: x['style_type_renderer']['attachment'], dict)
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attachment = try_get(attachment, [
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lambda x: x['style_type_renderer']['attachment'],
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lambda x: x['styles']['attachment']
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], dict) or {}
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ns = try_get(attachment, lambda x: x['all_subattachments']['nodes'], list) or []
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for n in ns:
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parse_attachment(n)
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@ -513,8 +601,16 @@ class FacebookIE(InfoExtractor):
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if not entries:
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parse_graphql_video(video)
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if len(entries) > 1:
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return self.playlist_result(entries, video_id)
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video_info = entries[0]
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webpage_info = extract_metadata(webpage)
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# honor precise duration in video info
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if video_info.get('duration'):
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webpage_info['duration'] = video_info['duration']
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return merge_dicts(webpage_info, video_info)
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if not video_data:
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m_msg = re.search(r'class="[^"]*uiInterstitialContent[^"]*"><div>(.*?)</div>', webpage)
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if m_msg is not None:
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@ -633,43 +729,12 @@ class FacebookIE(InfoExtractor):
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process_formats(formats)
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video_title = self._html_search_regex(
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r'<h2\s+[^>]*class="uiHeaderTitle"[^>]*>([^<]*)</h2>', webpage,
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'title', default=None)
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if not video_title:
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video_title = self._html_search_regex(
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r'(?s)<span class="fbPhotosPhotoCaption".*?id="fbPhotoPageCaption"><span class="hasCaption">(.*?)</span>',
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webpage, 'alternative title', default=None)
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if not video_title:
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video_title = self._html_search_meta(
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'description', webpage, 'title', default=None)
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if video_title:
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video_title = limit_length(video_title, 80)
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else:
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video_title = 'Facebook video #%s' % video_id
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uploader = clean_html(get_element_by_id(
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'fbPhotoPageAuthorName', webpage)) or self._search_regex(
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r'ownerName\s*:\s*"([^"]+)"', webpage, 'uploader',
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default=None) or self._og_search_title(webpage, fatal=False)
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timestamp = int_or_none(self._search_regex(
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r'<abbr[^>]+data-utime=["\'](\d+)', webpage,
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'timestamp', default=None))
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thumbnail = self._html_search_meta(['og:image', 'twitter:image'], webpage)
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view_count = parse_count(self._search_regex(
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r'\bviewCount\s*:\s*["\']([\d,.]+)', webpage, 'view count',
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default=None))
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info_dict = {
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'id': video_id,
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'title': video_title,
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'formats': formats,
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'uploader': uploader,
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'timestamp': timestamp,
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'thumbnail': thumbnail,
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'view_count': view_count,
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'subtitles': subtitles,
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}
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info_dict.update(extract_metadata(webpage))
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return info_dict
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