def album_imported(self, lib, album): albumart = album.artpath ALLOWED_MIMES = ('jpeg','png') if albumart: albumart_raw = open(albumart, 'rb').read() img = MIMEImage(albumart_raw) mime_img = img.get_content_subtype() if mime_img in ALLOWED_MIMES: mime_type = 'image/%s' % mime_img for item in album.items(): f = mediafile.MediaFile(item) if "mp3" in item.type: f.albumart_mime = mime_type f.albumart = albumart_raw f.save() else: log.error('Sorry, a file of type %s is not allowed as coverart.' % mime_img)