python 简单的自定义异常类模版

class CustomError(Exception):
    def __init__(self,ErrorInfo):
        super().__init__(self) #初始化父类
        self.errorinfo=ErrorInfo
    def __str__(self):
        return self.errorinfo
    
if __name__ == '__main__':
    try:
        raise CustomError('客户异常')
    except CustomError as e:
        print(e)