Tukukkk

import os

import pickle

from contextlib import contextmanager



class LoadedValue:

    def __init__(self, value):

        self.value = value



    def __str__(self):

        return "<LoadedValue: {}>".format(self.value)



@contextmanager

def load_manager(load_file="file.pkl"):

    with open(load_file, "rb") as f:

        loaded_object = LoadedValue(pickle.load(f))

    try:

        yield loaded_object

    finally:

        with open(load_file, "wb+") as f:

            pickle.dump(loaded_object.value, f)



if __name__ == "__main__":

    filename = "test.pkl"

    with open(filename, "wb+") as f:

        pickle.dump(7, f)



    with load_manager(filename) as loaded:

        print(loaded)

        loaded.value = 5 # this is what I have to do

        # loaded = 5  # this is what I want to do



    with load_manager(filename) as loaded:

        print(loaded) # >> 5

import os

import pickle

from contextlib import contextmanager



class LoadedValue:

    def __init__(self, value):

        self.value = value



    def __str__(self):

        return "<LoadedValue: {}>".format(self.value)



@contextmanager

def load_manager(load_file="file.pkl"):

    with open(load_file, "rb") as f:

        loaded_object = LoadedValue(pickle.load(f))

    try:

        yield loaded_object

    finally:

        with open(load_file, "wb+") as f:

            pickle.dump(loaded_object.value, f)



if __name__ == "__main__":

    filename = "test.pkl"

    with open(filename, "wb+") as f:

        pickle.dump(7, f)



    with load_manager(filename) as loaded:

        print(loaded)

        loaded.value = 5 # this is what I have to do

        # loaded = 5  # this is what I want to do



    with load_manager(filename) as loaded:

        print(loaded) # >> 5

import os

import pickle

from contextlib import contextmanager



class LoadedValue:

    def __init__(self, value):

        self.value = value



    def __str__(self):

        return "<LoadedValue: {}>".format(self.value)



@contextmanager

def load_manager(load_file="file.pkl"):

    with open(load_file, "rb") as f:

        loaded_object = LoadedValue(pickle.load(f))

    try:

        yield loaded_object

    finally:

        with open(load_file, "wb+") as f:

            pickle.dump(loaded_object.value, f)



if __name__ == "__main__":

    filename = "test.pkl"

    with open(filename, "wb+") as f:

        pickle.dump(7, f)



    with load_manager(filename) as loaded:

        print(loaded)

        loaded.value = 5 # this is what I have to do

        # loaded = 5  # this is what I want to do



    with load_manager(filename) as loaded:

        print(loaded) # >> 5

import os

import pickle

from contextlib import contextmanager



class LoadedValue:

    def __init__(self, value):

        self.value = value



    def __str__(self):

        return "<LoadedValue: {}>".format(self.value)



@contextmanager

def load_manager(load_file="file.pkl"):

    with open(load_file, "rb") as f:

        loaded_object = LoadedValue(pickle.load(f))

    try:

        yield loaded_object

    finally:

        with open(load_file, "wb+") as f:

            pickle.dump(loaded_object.value, f)



if __name__ == "__main__":

    filename = "test.pkl"

    with open(filename, "wb+") as f:

        pickle.dump(7, f)



    with load_manager(filename) as loaded:

        print(loaded)

        loaded.value = 5 # this is what I have to do

        # loaded = 5  # this is what I want to do



    with load_manager(filename) as loaded:

        print(loaded) # >> 5

Your Answer

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