# Copyright (C) 2007-2014 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman 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 General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman.  If not, see <http://www.gnu.org/licenses/>.

"""Model class for version numbers."""

from __future__ import absolute_import, print_function, unicode_literals

__metaclass__ = type
__all__ = [
    'Version',
    ]

from storm.locals import Int, Unicode
from mailman.database.model import Model



class Version(Model):
    id = Int(primary=True)
    component = Unicode()
    version = Unicode()

    # The testing machinery will generally reset all tables, however because
    # this table tracks schema migrations, we do not want to reset it.
    PRESERVE = True

    def __init__(self, component, version):
        super(Version, self).__init__()
        self.component = component
        self.version = version