def complitable_functions(output_function, input_function, convert_table): input_keys = set(value for key, value in input_function.__annotations__.items() if key != 'return') return_keys = set(output_function.__annotations__["return"]) all_possible_return_keys = return_keys.union( convert_table.all_possible_conversions(return_keys) ) print("return:%s\npossible_output:%s" % (return_keys, all_possible_return_keys)) return input_keys.issubset(all_possible_return_keys) def get_converted_arguments(function, simple_arg_dict, convert_table): if simple_arg_dict == None: return [None for key in function.__annotations__.keys() if key != 'return'] result = [] for key, value in function.__annotations__.items(): if key != 'return': converted_arg = None try: converted_arg = simple_arg_dict[value] except KeyError: key_to_convert, convert_function = convert_table.get_converter( simple_arg_dict.keys(), value ) key_to_convert = list(key_to_convert)[0] converted_arg = convert_function( simple_arg_dict[key_to_convert] )[value] result.append(converted_arg) return result