import dataclasses


@dataclasses.dataclass(init=False)
class DataclassBase:
    """
        It just works™
    """
    
    def __init__(self, **kwargs):
        names = set([f.name for f in dataclasses.fields(self)])
        for k, v in kwargs.items():
            if k in names:
                setattr(self, k, v)

    def dict(self):
        return {
            k: v.dict() if isinstance(v, DataclassBase) else v
            for k, v in dataclasses.asdict(self).items()
        }