freeipa/ipalib/backend.py

# Authors:
#   Jason Gerard DeRose <jderose@redhat.com>
#
# Copyright (C) 2008  Red Hat
# see file 'COPYING' for use and warranty information
#
# This program 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; version 2 only
#
# This program 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 this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA

"""
Base classes for all backed-end plugins.
"""

import plugable


class Backend(plugable.Plugin):
    """
    Base class for all backend plugins.
    """

    __proxy__ = False # Backend plugins are not wrapped in a PluginProxy


class Context(plugable.Plugin):
    """
    Base class for plugable context components.
    """

    __proxy__ = False # Backend plugins are not wrapped in a PluginProxy

    def get_value(self):
        raise NotImplementedError(
            '%s.get_value()' % self.__class__.__name__
        )