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[ie/youtube] Extract title and description from initial data (#14078)

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Closes #13604
Authored by: bashonly
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bashonly 2025-08-19 14:27:17 -05:00 committed by GitHub
parent d8200ff0a4
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yt_dlp/extractor/youtube/_video.py
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@ -3850,11 +3850,33 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
player_responses, (..., 'microformat', 'playerMicroformatRenderer'), player_responses, (..., 'microformat', 'playerMicroformatRenderer'),
expected_type=dict) expected_type=dict)
# Fallbacks in case player responses are missing metadata
initial_sdcr = traverse_obj(initial_data, (
'engagementPanels', ..., 'engagementPanelSectionListRenderer',
'content', 'structuredDescriptionContentRenderer', {dict}, any))
initial_description = traverse_obj(initial_sdcr, (
'items', ..., 'expandableVideoDescriptionBodyRenderer',
'attributedDescriptionBodyText', 'content', {str}, any))
# videoDescriptionHeaderRenderer also has publishDate/channel/handle/ucid, but not needed
initial_vdhr = traverse_obj(initial_sdcr, (
'items', ..., 'videoDescriptionHeaderRenderer', {dict}, any)) or {}
initial_video_details_renderer = traverse_obj(initial_data, (
'playerOverlays', 'playerOverlayRenderer', 'videoDetails',
'playerOverlayVideoDetailsRenderer', {dict})) or {}
initial_title = (
self._get_text(initial_vdhr, 'title')
or self._get_text(initial_video_details_renderer, 'title'))
translated_title = self._get_text(microformats, (..., 'title')) translated_title = self._get_text(microformats, (..., 'title'))
video_title = ((self._preferred_lang and translated_title) video_title = ((self._preferred_lang and translated_title)
or get_first(video_details, 'title') # primary or get_first(video_details, 'title') # primary
or translated_title or translated_title
or search_meta(['og:title', 'twitter:title', 'title'])) or search_meta(['og:title', 'twitter:title', 'title']))
if not video_title and initial_title:
self.report_warning(
'No title found in player responses; falling back to title from initial data. '
'Other metadata may also be missing')
video_title = initial_title
translated_description = self._get_text(microformats, (..., 'description')) translated_description = self._get_text(microformats, (..., 'description'))
original_description = get_first(video_details, 'shortDescription') original_description = get_first(video_details, 'shortDescription')
video_description = ( video_description = (
@ -3862,6 +3884,8 @@ class YoutubeIE(YoutubeBaseInfoExtractor):
# If original description is blank, it will be an empty string. # If original description is blank, it will be an empty string.
# Do not prefer translated description in this case. # Do not prefer translated description in this case.
or original_description if original_description is not None else translated_description) or original_description if original_description is not None else translated_description)
if video_description is None:
video_description = initial_description
multifeed_metadata_list = get_first( multifeed_metadata_list = get_first(
player_responses, player_responses,