sqlalchemy.py 文件源码

def delete(self, req, resp, obj, db_session=None):
        """
        Delete an existing record.
        :param req: Falcon request
        :type req: falcon.request.Request

        :param resp: Falcon response
        :type resp: falcon.response.Response

        :param obj: the object to delete

        :param db_session: SQLAlchemy session
        :type db_session: sqlalchemy.orm.session.Session
        """
        deleted = db_session.delete(obj)
        if deleted == 0:
            raise falcon.HTTPConflict('Conflict', 'Resource found but conditions violated')