open-cas-linux/test/functional/test-framework/test_utils/singleton.py
Robert Baldyga 849f59855c tests: Embed test framework within OCL repository
Signed-off-by: Robert Baldyga <robert.baldyga@intel.com>
2022-12-23 12:53:55 +01:00

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]