+ thumbnails = info_dict.get('thumbnails')
+ if thumbnails:
+ thumbnails.sort(key=lambda t: (
+ t.get('width'), t.get('height'), t.get('url')))
+ for t in thumbnails:
+ if 'width' in t and 'height' in t:
+ t['resolution'] = '%dx%d' % (t['width'], t['height'])
+
+ if thumbnails and 'thumbnail' not in info_dict:
+ info_dict['thumbnail'] = thumbnails[-1]['url']
+