python dataclasses

• Python object.__repr__()

• Python object.__init__()

• Python object.__eq__()

from dataclasses import dataclass
from datetime import date

# Slots option is available after python 3.10
@dataclass(slots=True)
class User:
    id: int
    name: str
    birthdate: date
    admin: bool = False

Immutable

@dataclass(frozen=True)

Order

@dataclass(order=True)

Hash Key

@dataclass(unsafe_hash=True)

Default value for dynamic type is error

@dataclass(unsafe_hash=True)
class User:
    id: int
    name: str
    birthdate: date
    admin: bool = False
    friends: List[int] = []

[파이썬] 데이터 클래스 사용법 (dataclasses 모듈)

Engineering Blog by Dale Seo

https://www.daleseo.com/python-dataclasses/