1#!/usr/bin/env python3 2# -*- coding: utf-8 -*- 3 4# 5# Copyright (c) 2023 Huawei Device Co., Ltd. 6# Licensed under the Apache License, Version 2.0 (the "License"); 7# you may not use this file except in compliance with the License. 8# You may obtain a copy of the License at 9# 10# http://www.apache.org/licenses/LICENSE-2.0 11# 12# Unless required by applicable law or agreed to in writing, software 13# distributed under the License is distributed on an "AS IS" BASIS, 14# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 15# See the License for the specific language governing permissions and 16# limitations under the License. 17# 18 19from exceptions.ohos_exception import OHOSException 20from helper.noInstance import NoInstance 21 22 23class TypeCheckUtil(metaclass=NoInstance): 24 25 @staticmethod 26 def check_arg_type(arg_object, target_class): 27 if not isinstance(arg_object, target_class): 28 raise OHOSException(f'type error') 29 30 @staticmethod 31 def is_bool_type(value): 32 if isinstance(value, bool): 33 return True 34 elif isinstance(value, str): 35 return value in ['true', 'True', 'false', 'False'] 36 else: 37 return False 38 39 @staticmethod 40 def is_int_type(value): 41 if isinstance(value, int): 42 return True 43 elif isinstance(value, str): 44 return value.isdigit() 45 else: 46 return False 47 48 @staticmethod 49 def tile_list(value: list) -> list: 50 result = [] 51 for entity in value: 52 if isinstance(entity, list): 53 result += TypeCheckUtil.tile_list(entity) 54 elif isinstance(entity, str): 55 result.append(entity) 56 else: 57 pass 58 return result 59