resource.py 文件源码

def update_relation(self, data):
        obj = self.model.query.get(data['id'])
        if obj:
            obj, errors = self.schema().load(data, instance=obj)
            if errors:
                raise CustomException(data=data, message=str(errors), operation='updating relation')
            if self.has_change_permission(obj, data):
                raise CustomException(data=data, message='Permission Denied', operation='adding relation')
            try:
                db.session.commit()
            except IntegrityError:
                db.session.rollback()
                raise SQLIntegrityError(data=data, message='Integrity Error', operation='Adding Resource', status=400)
            except OperationalError:
                db.session.rollback()
                raise SQlOperationalError(data=data, message='Operational Error', operation='Adding Resource',
                                          status=400)
            else:
                raise RequestNotAllowed(data=data, message='Object not Found', operation='deleting relation',
                                        status=401)
        else:
            raise ResourceNotFound(data=data, message='Object not Found', operation='Updating relation', status=404)