9 lines
276 B
Python
9 lines
276 B
Python
# -*- coding: utf-8 -*-
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# Copyright (c) Alibaba, Inc. and its affiliates.
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class Singleton(object):
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@classmethod
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def get_instance(cls, cfg, **kwargs):
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if not hasattr(cls, '_instance'):
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cls._instance = cls(cfg, **kwargs)
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return cls._instance
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