rule.py 文件源码

def get_rule(rule_id, session=None):
    """
    Get a specific replication rule.

    :param rule_id: The rule_id to select.
    :param session: The database session in use.
    :raises:        RuleNotFound if no Rule can be found.
    """

    try:
        rule = session.query(models.ReplicationRule).filter_by(id=rule_id).one()
        d = {}
        for column in rule.__table__.columns:
            d[column.name] = getattr(rule, column.name)
        return d

    except NoResultFound:
        raise RuleNotFound('No rule with the id %s found' % (rule_id))
    except StatementError:
        raise RucioException('Badly formatted rule id (%s)' % (rule_id))