# -*- coding: utf-8 -*-

from __future__ import annotations

from dataclasses import dataclass

@dataclass
class Attrs:

    mode: int | None = None
    owner: str | None = None
    group: str | None = None
    conf: str | None = None

    def update(self, rhs: Args|None) -> Args:
        if rhs is not None:
            if rhs.mode:
                self.mode = rhs.mode
            if rhs.owner:
                self.owner = rhs.owner
            if rhs.group:
                self.group = rhs.group
            if rhs.conf:
                self.conf = rhs.conf
        return self

    def emtpy(self) -> bool:
        if self.mode is not None:
            return False
        if self.owner is not None:
            return False
        if self.group is not None:
            return False
        return True