Hoi,
The good news is that work on the "Wikidatafication" of multimedia files
has started. You just provided an excellent example why it is so needed.
One drawback is that once it is done, your current work will need to be
revisited.
Thanks,
GerardM
On 3 June 2014 07:59, james harvey <jamespharve...@gmail.com> wrote:
> Given a Wikimedia Commons description page URL - such as:
>
> https://commons.wikimedia.org/wiki/File:Van_Gogh_-_Starry_Night_-_Google_Art_Project.jpg
>
> I would like to be able to programmatically retrieve the information in the
> "Summary" header. (Values for "Artist", "Title", "Date", "Medium",
> "Dimensions", "Current location", etc.)
>
> I believe all this information is in "Template:Artwork". I can't figure
> out how to get the wikitext/json-looking template data.
>
> If I use the API and call:
>
> https://commons.wikimedia.org/w/api.php?action=query&format=xml&titles=File:Van%20Gogh%20-%20Starry%20Night%20-%20Google%20Art%20Project.jpg&iilimit=max&iiprop=timestamp|user|comment|url|size|mime&prop=imageinfo|revisions&rvgeneratexml=&rvprop=ids|timestamp|user|comment|content
>
> Then I don't get the information I'm looking for. This shows the most
> recent revision, and its changes. Unless the most recent revision changed
> this data, it doesn't show up.
>
> To see all the information I'm looking for, it seems I'd have to specify
> rvlimit=max and go through all the past revisions to figure out which is
> most current. For example, if I do so and I look at revid 79665032, that
> includes: "{{Artwork | Artist = {{Creator:Vincent van Gogh}} | . . . | Year
> = 1889 | Technique = {{Oil on canvas}} | . . ."
>
> Isn't there a way to get the current version in whatever format you'd call
> that - the wikitext/json looking format?
>
> In my API call, I can specify rvexpandtemplates which even with only the
> most recent revision gives me the information I need, but it's largely in
> HTML tables/divs/etc format rather than wikitext/json/xml/etc.
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