dataclass experimental

dataclass_experimental.py

from dataclasses import dataclass

@dataclass
class A:
    id: int

    def __eq__(self, other):
        return self.id == other.id

@dataclass(eq=True)
class AA(A):
    attr: str
    l: list = [] 

aa1 = AA(1, 'a')
aa2 = AA(1, "b")

assert aa1 == aa2