#!/usr/bin/python2.4
#
# CDDL HEADER START
#
# The contents of this file are subject to the terms of the
# Common Development and Distribution License (the "License").
# You may not use this file except in compliance with the License.
#
# You can obtain a copy of the license at usr/src/OPENSOLARIS.LICENSE
# or http://www.opensolaris.org/os/licensing.
# See the License for the specific language governing permissions
# and limitations under the License.
#
# When distributing Covered Code, include this CDDL HEADER in each
# file and include the License file at usr/src/OPENSOLARIS.LICENSE.
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# Copyright 2008 Sun Microsystems, Inc.  All rights reserved.
# Use is subject to license terms.


class DebugValues(object):
        """ simple singleton class to handle debug variables """
        __debug_values = {}

        def __call__(self):
                return self

        def get_value(self, key):
                """ returns None if not set """
                return self.__debug_values.get(key, None)

        def set_value(self, key, value):
                self.__debug_values[key] = value

DebugValues=DebugValues()