code: def _redirect_with_params(url_name, *args, **kwargs):
      
      url = urlresolvers.reverse(url_name, args=args)
      params = parse.urlencode(kwargs, True)
      return "{0}?{1}".format(url, params)
docs: Helper method to create a redirect response with URL params.
  
      This builds a redirect string that converts kwargs into a
      query string.
  
      Args:
          url_name: The name of the url to redirect to.
          kwargs: the query string param and their values to build.
  
      Returns:
          A properly formatted redirect string.