Python Speech Recognition (Calculator)

The first step is about importing the module. I tried several methods and found that it seems that the win7 system does not have a speech recognition function. I use win10 and need to download a package again.

In this way, the win32com.client module can be used

import win32com.client 

# # 1. Create a speaker object 
# speaker = win32com.client.Dispatch("SAPI.SpVoice") 
# # 2. Through this speaker object, you can directly play the corresponding voice string 
# speaker.Speak("My name is: Wang Yunlong") 
class Caculator: 

    def __check_num_zsq(func): 

        def inner(self, n): 
            if not isinstance(n,int): 
                raise TypeError("There is a problem with the current data type , should be an integer data") 
            return func(self, n) 
        return inner 
    def __say(self,word): 
        # 1. Create a speaker object 
        speaker = win32com.client.Dispatch("SAPI.SpVoice") 
        # 2. Through this speaker object, you can directly play the corresponding speech string 
        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,n):
        self.__result += n
        return self

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

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

    def show(self): 
        self.__say("The result of the calculation is: %d"%self.__result) 
        print("The result of the calculation is: %d"%self.__result) 
        return self 

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

    @property 
    def result(self): 
        return self.__result 
c1 = Caculator(10) 
# The idea of ​​chain programming can be done with return self itself 
c1.jia(6 ).jian(4).chen(5).show().clear().jia(555).jian(500).show() 
c1.result