import functools def singleton(cls): cls._instance = None @functools.wraps(cls) def wrapper_singleton(*args, **kwargs): if not cls._instance: cls._instance = cls(*args, **kwargs) return cls._instance return wrapper_singleton
import functools def singleton(cls): cls._instance = None @functools.wraps(cls) def wrapper_singleton(*args, **kwargs): if not cls._instance: cls._instance = cls(*args, **kwargs) return cls._instance return wrapper_singleton