- if self.params.get('prefer_free_formats'):
- def _free_formats_key(f):
- try:
- ext_ord = [u'flv', u'mp4', u'webm'].index(f['ext'])
- except ValueError:
- ext_ord = -1
- # We only compare the extension if they have the same height and width
- return (f.get('height'), f.get('width'), ext_ord)
- formats = sorted(formats, key=_free_formats_key)
+
+ # TODO Central sorting goes here
+
+ if formats[0] is not info_dict:
+ # only set the 'formats' fields if the original info_dict list them
+ # otherwise we end up with a circular reference, the first (and unique)
+ # element in the 'formats' field in info_dict is info_dict itself,
+ # wich can't be exported to json
+ info_dict['formats'] = formats
+ if self.params.get('listformats', None):
+ self.list_formats(info_dict)
+ return