monomonedula / nvelope Goto Github PK

@dataclass    
class User(Obj):
    _conversion = {
        "id": int_conv,
        "language_code": string_conv,
        "username": string_conv,
    }

    id: int
    language_code: str
    username: str

@dataclass    
class User(Obj):
    id: int = IntField()
    language_code: str = StringField()
    username: str = StringField()

class IntField:

    def __set_name__(self, owner, name):
        self.public_name = name
        self.private_name = '_' + name

    def __get__(self, obj, objtype=None):
        value = getattr(obj, self.private_name)
        logging.info('Accessing %r giving %r', self.public_name, value)
        return int(value)  # conversion here on reading

    def __set__(self, obj, value):
        logging.info('Updating %r to %r', self.public_name, value)
        setattr(obj, self.private_name, int(value))  # conversion here on writing