ustudio/storage — pull request #14 by joshmarshall (2014-10-28 08:29:46+00:00)
Title: Extracting content type from object extension if it's known.

Since pyrax ultimately defers to a.) a provided mimetype or b.) the object storage system's mimetypes, it seemed appropriate to use the local system's mimetype when uploading a new file if it can be guessed from the object name (especially since Python allows extending of known mimetypes.)