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PhotonVision/backend/app/classes/Singleton.py

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2019-04-10 19:23:40 +03:00
class Singleton(type):
_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]