__init__.py 文件源码

def get_resource_definition(id_or_name, environment_id):
    query = db.ResourceDefinition.query.join(db.Component). \
        join(db.Environment.environment_components_table). \
        filter_by(environment_id=environment_id)

    if isinstance(id_or_name, int):
        query = query.filter(db.ResourceDefinition.id == id_or_name)
    else:
        query = query.filter(db.ResourceDefinition.name == id_or_name)

    result = query.all()

    if not result:
        raise errors.TuningboxNotFound(
            "{0} not found by {1} in environment {2}".format(
                db.ResourceDefinition.__tablename__,
                id_or_name,
                environment_id
            )
        )
    elif len(result) > 1:
        raise sa_exc.MultipleResultsFound

    return result[0]