Files
monasca-agent/monasca_agent/common/singleton.py
Joe Keen 1ded0b7b1c Fixing flake8 errors now that tox is working again
Change-Id: Id34991711c57f20922f003928008143032723af3
2015-07-30 14:47:02 -06:00

10 lines
320 B
Python

class Singleton(type):
def __init__(cls, name, bases, dict):
super(Singleton, cls).__init__(name, bases, dict)
cls.instance = None
def __call__(cls, *args, **kw):
if cls.instance is None:
cls.instance = super(Singleton, cls).__call__(*args, **kw)
return cls.instance