将类保存到二进制文件中 - Python

时间:2022-11-26
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问题描述

我知道可以使用以下方法将类保存到 c++ 中的二进制文件中:

I'm aware that saving a class into a binary file in c++ is possible using:

file.write(Class_variable, size_of_class, amount_of_saves, file_where_to_save)

或类似的东西,我想在 python 中使用它,以便更轻松地写入和读取大量数据.

or something similar, and I wanted to use that in python in order to make it easier to write and read lots of data.

我试过这样做:

def Save_Game(player, room):
    address = 'Saves/player'

    file = open(address, 'wb')
    file.write(player)

    address = 'Saves/room'

    file = open(address, 'wb')
    file.write(room)

房间和玩家是class_objects.但它说:

Room and player being class_objects. But it says:

TypeError: must be convertible to a buffer, not PlayerMarty

我能做什么?

推荐答案

pickle 是你需要的.pickle 模块实现了一种基本但强大的算法,用于序列化和反序列化 Python 对象结构.这是一个例子

pickle is what you need. The pickle module implements a fundamental, but powerful algorithm for serializing and de-serializing a Python object structure. This is an example

import pickle

class MyClass:
    def __init__(self,name):
        self.name = name
    def display(self):
        print(self.name)

my = MyClass("someone")
pickle.dump(my, open("myobject", "wb"))
me = pickle.load(open("myobject", "rb"))
me.display()

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