Class inheritance in Python 3.7 dataclasses

Question

I\'m currently trying my hands on the new dataclass constructions introduced in Python 3.7. I am currently stuck on trying to do some inheritance of a parent class. It looks

Answer 1

You can use attributes with defaults in parent classes if you exclude them from the init function. If you need the possibility to override the default at init, extend the code with the answer of Praveen Kulkarni.

from dataclasses import dataclass, field

@dataclass
class Parent:
    name: str
    age: int
    ugly: bool = field(default=False, init=False)

@dataclass
class Child(Parent):
    school: str

jack = Parent('jack snr', 32)
jack_son = Child('jack jnr', 12, school = 'havard')
jack_son.ugly = True