9 lines
267 B
Python
9 lines
267 B
Python
from abc import ABCMeta
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class Singleton(ABCMeta):
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_instances = {}
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def __call__(cls, *args, **kwargs):
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if cls not in cls._instances:
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cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
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return cls._instances[cls]
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