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:
/
proc
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self
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root
/
lib
/
python3.6
/
site-packages
/
tuned
/
Upload File:
files >> //proc/self/root/lib/python3.6/site-packages/tuned/patterns.py
class Singleton(object): """ Singleton design pattern. """ _instance = None def __init__(self): if self.__class__ is Singleton: raise TypeError("Cannot instantiate directly.") @classmethod def get_instance(cls): """Get the class instance.""" if cls._instance is None: cls._instance = cls() return cls._instance
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