ООП із Словників та Функцій / Реалізація із словників та функцій

def greeting(person):
    print("My name {}, and I am a {}".format(
        getattr(person, "get_name")(),
        getattr(person, "get_employment")(),
    ))


def get_name(person):
    return getattr(person, "name")


def get_employment(person):
    return getattr(person, "employment")


def getattr(person, attr):
    if attr in person:
        return person[attr]

    if attr not in person["base"]:
        raise AttributeError(f"attr {attr} not found")

    val = person["base"][attr]
    if callable(val):

        def func(*args, **kwargs):
            return val(person, *args, **kwargs)

        return func

    return val


def create(base, *args, **kwargs):
    new_item = base["new"](base)
    base["init"](new_item, *args, **kwargs)
    return new_item


def new(base):
    return {"base": base}


def init(person, name, employment=None):
    person["name"] = name
    if employment is not None:
        person["employment"] = employment


person_base = {
    "employment": "Unemployed",
    "greeting": greeting,
    "get_name": get_name,
    "get_employment": get_employment,

    "new": new,
    "init": init
}

# --------------------

person_1 = create(person_base, "John", "Doctor")
person_2 = create(person_base, "Mathew", "Teacher")
person_3 = create(person_base, "Mathew")

# --------------------

getattr(person_1, "greeting")()
getattr(person_2, "greeting")()
getattr(person_3, "greeting")()