trestle.core.trestle_base_model

class TrestleBaseModel(BaseModel):
    """Trestle Base Model. Serves as wrapper around BaseModel for overriding methods."""

    @classmethod
    def parse_obj(cls: Type['Model'], obj: Any) -> 'Model':
        """Parse object to the given class."""
        try:
            return super().parse_obj(obj)
        except ValidationError as e:
            # check if failed due to the wrong OSCAL version:
            oscal_version_error = False
            for err in e.errors():
                for field in err['loc']:
                    if field == 'oscal-version':
                        message = err['msg']
                        oscal_version_error = True
                        break
            if oscal_version_error:
                raise TrestleError(f'{message}')
            else:
                raise