How to get with Mediawiki API all images in a category which are not in another one?
问题 I am entirely new to API, so sorry if the question is silly. I would like to get all images in a category in Commons let's say X, but exclude those which are also in another one (Y). I do not understand if I can actually do this. https://commons.wikimedia.org/w/api.php?action=query&list=categorymembers&cmtype=file&cmtitle=Category:X will get all of them, how to exclude some? moreover I would like in the result to have the description of the images, not just the name of the file, is that