class_to_func.py

def meta_data():
    maxSize = 2**10

    if not os.path.exists('sample.data'):
        with open('sample.data', 'wb+') as ssd:
            data = {
                0: [],
                1: {'.': None,}
            }
            data[1]['~'] = data[1]

            ssd.seek(0)
            ssd.write(b' ' * cls.maxSize)
            ssd.seek(0)
            ssd.write(pickle.dumps(cls.data))
            
meta_data()