# Copyright (C) 2020 VyOS maintainers and contributors
#
# This library is free software; you can redistribute it and/or modify it under the terms of
# the GNU Lesser General Public License as published by the Free Software Foundation;
# either version 2.1 of the License, or (at your option) any later version.
#
# This library is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY;
# without even the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.
# See the GNU Lesser General Public License for more details.
#
# You should have received a copy of the GNU Lesser General Public License along with this library;
# if not, write to the Free Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 


from vyos.xml import definition
from vyos.xml import load
from vyos.xml import kw


def load_configuration(cache=[]):
    if cache:
        return cache[0]

    xml = definition.XML()

    try:
        from vyos.xml.cache import configuration
        xml.update(configuration.definition)
        cache.append(xml)
    except Exception:
        xml = definition.XML()
        print('no xml configuration cache')
        xml.update(load.xml(load.configuration_definition))

    return xml


def defaults(lpath):
    return load_configuration().defaults(lpath)