Max showed me how to get the file page url from the api. So if all we have is the image name we can get the file page url automagically. I attached a sample query to: https://trello.com/c/cXEMxGb3/8-5-retrieve-file-metadata-from-commonsmetadata-api-and-display-it-in-the-panel
On Fri, Dec 5, 2014 at 3:52 PM, Brion Vibber <bvib...@wikimedia.org> wrote: > Per request in meeting, thought I'd stick it on the public list for > references. :) > > As I recall there should be three possible URL formats for images embedded > in <img> tags in wiki pages or returned as thumbnails via the API: > > http(s)?:// > upload.wikimedia.org/(project)/(subdomain)/(hash1)/(hash2)/(base-filename) > ^ original-size images > > http(s)?:// > upload.wikimedia.org/(project)/(subdomain)/(hash1)/(hash2)/thumb/(base-filename)/(size)px(possible-other-options)-(base-filename)(.render-extension) > ? > ^ thumbnails > > http(s)?:// > upload.wikimedia.org/(project)/(subdomain)/(hash1)/(hash2)/thumb/(base-filename)/(size)px(possible-other-options)-thumbnail.(render-extension) > ^ this last is used in cases where the filename is very very long and we > can't actually prepend all the options to the filename (happens mostly in > South Asian languages where UTF-8 is 3 bytes per letter) > > * project: 'wikipedia' in all cases we need to handle; local files on > Wiktionary etc will have it separate but we don't use these. > * subdomain: language 'en' etc for Wikipedias, subproject for special-case > wikis like Commons/'commons' > * hash1: first digit of md5 hash of the filename (you don't need to use > this here, consider it opaque) > * hash2: first 2 digits of md5 hash of the filename > * base-filename: the base filename -- you want this! This is the raw > filename for files served at original size; thumbnails will use it as a > directory component. > * render-extension: files other than PNG, GIF, and JPEG are rendered to > one of those, usually PNG. So you'll see things like ".svg.png" at times -- > but never ".png.png". These only appear on thumbnails. > * size: thumbnails are always given with the pixel size. > * possible-other-options: Note that other options may include a page > number for PDF, DjVu, or TIFF files, or a time position for video > thumbnails. To avoid parsing that stuff out, consider using the > subdirectory base name on thumbnails if possible. > > -- brion > > _______________________________________________ > Mobile-l mailing list > Mobile-l@lists.wikimedia.org > https://lists.wikimedia.org/mailman/listinfo/mobile-l > >
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