31 lines
941 B
Python
31 lines
941 B
Python
#
|
|
# decorators.py
|
|
#
|
|
# Copyright (C) 2009 Red Hat, Inc.
|
|
#
|
|
# 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; either version 2 of the License, or
|
|
# (at your option) any later version.
|
|
#
|
|
# 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, see <http://www.gnu.org/licenses/>.
|
|
#
|
|
# Red Hat Author(s): Martin Gracik <mgracik@redhat.com>
|
|
#
|
|
|
|
def singleton(cls):
|
|
instances = {}
|
|
|
|
def get_instance():
|
|
if cls not in instances:
|
|
instances[cls] = cls()
|
|
return instances[cls]
|
|
|
|
return get_instance
|