docs: def upload_from_fileobject(f, profile=None, label=None):
      """
      Saves image from f with TMP prefix and returns img_id.
      """
      if profile is None:
          profile = 'default'
      conf = get_profile_configs(profile)
      f.seek(0)
      if not is_image(f, types=conf['TYPES']):
          msg = (('Format of uploaded file is not allowed. '
                  'Allowed formats is: %(formats)s.') %
                 {'formats': ', '.join(map(lambda t: t.upper(), conf['TYPES']))})
          raise RuntimeError(msg)
      return _custom_upload(f, profile, label, conf)