def set_default()

in src/chug/common/config.py [0:0]


    def set_default(self, right, inplace=False):
        # set left fields from right fields if left fields are not-initialized (None)
        changes = {
            f.name: v for f in fields(self)
            if (v := getattr(right, f.name)) is not None and getattr(self, f.name) is None
        }
        if inplace:
            for k, v in changes.items():
                setattr(self, k, v)
            return self
        else:
            return replace(self, **changes)