摘要： @dataclass class Rectangle: width: float height: float # 派生字段，不参与初始化 area: float = field(init=False) perimeter: float = field(init=False) def __post_i 阅读全文

摘要： from dataclasses import dataclass from mimetypes import inited from pdb import post_mortem from unittest import skipIf from dataclasses import asdict 阅读全文