https://bugzilla.wikimedia.org/show_bug.cgi?id=58195
Web browser: ---
Bug ID: 58195
Summary: Unreliable EXIF author metadata is given precedence
over authorship data from templates
Product: MediaWiki extensions
Version: unspecified
Hardware: All
OS: All
Status: NEW
Severity: normal
Priority: Unprioritized
Component: CommonsMetadata
Assignee: [email protected]
Reporter: [email protected]
CC: [email protected], [email protected],
[email protected], [email protected]
Classification: Unclassified
Mobile Platform: ---
The author of
https://commons.wikimedia.org/wiki/File:BAMBERG_FRANCONIA_GERMANY_APRIL_2012_(6989361936).jpg
is specified as "[http://www.flickr.com/people/28984065@N04 calflier001]" in
the {{Information}} template. However, the CommonsMetadata API returns "Picasa"
as the "Artist" value for this file because some versions of Picasa apparently
claim to be the author of files edited through the software. Evil as this
behavior may be, it still seems that the human-edited data in the template
should be given precedence, and indeed this is also the behavior specified on
https://www.mediawiki.org/wiki/Extension:CommonsMetadata : "If we can't extract
info from the description page, but the file has the author tagged in
exif/XMP/iptc metadata, we should use that as a fallback".
API call used:
https://commons.wikimedia.org/w/api.php?action=query&titles=File:BAMBERG%20FRANCONIA%20GERMANY%20APRIL%202012%20(6989361936).jpg&prop=imageinfo&iiprop=extmetadata
Perhaps there's another reason why it fails to return the author data in this
case; I've not tested with other images.
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