import win32com.client


class Caculator:

    # 装饰器私有
    def __check_num_zsq(func):
        def inner(self, n):
            if not isinstance(n, int):
                raise TypeError("当前这个数据的类型有问题，应该是一个整型数据")
            return func(self, n)

        return inner

    def __say(self, word):
        speaker = win32com.client.Dispatch("SAPI.SpVoice")
        speaker.Speak(word)

    def __create_say_zsq(word=""):
        def __say_zsq(func):
            def inner(self, n):
                self.__say(word + str(n))
                return func(self, n)

            return inner

        return __say_zsq

    @__check_num_zsq
    @__create_say_zsq()
    def __init__(self, num):
        self.__result = num

    @__check_num_zsq
    @__create_say_zsq("加")
    def jia(self, num):
        self.__result += num
        return self

    @__check_num_zsq
    @__create_say_zsq("减去")
    def jian(self, num):
        self.__result -= num
        return self

    @__check_num_zsq
    @__create_say_zsq("乘以")
    def cheng(self, num):
        self.__result *= num
        return self

    def show(self):
        print("计算结果: %d" % self.__result)
        self.__say("计算结果: %d" % self.__result)
        return self

    def clear(self):
        self.__result = 0
        return self

    @property
    def result(self):
        return self.__result


c1 = Caculator(2)
c1.jia(6).jian(4).cheng(5).show().jia(555).show()

print(c1.result)