code: def get_dict_of_all_args(self):
          
          dictionary = {}
          for arg in [arg for arg in self.request.arguments if arg not in self.settings.get("reserved_query_string_params", [])]:
              val =  self.get_argument(arg, default=None)
              if val:
                  dictionary[arg] = val
          return dictionary
docs: Generates a dictionary from a handler paths query string and returns it
  
          :returns: Dictionary of all key/values in arguments list
          :rtype: dict