opencas-test-framework/test_utils/singleton.py
Robert Baldyga 40f08a369a Move test-framework to its own repository
Signed-off-by: Robert Baldyga <baldyga.r@gmail.com>
2023-05-01 18:55:34 +02:00

17 lines
364 B
Python

#
# Copyright(c) 2019-2021 Intel Corporation
# SPDX-License-Identifier: BSD-3-Clause
#
class Singleton(type):
"""
Singleton class
"""
_instances = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
return cls._instances[cls]