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19 lines
374 B
Python
19 lines
374 B
Python
from typing import Generic, TypeVar
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from PySide6.QtCore import QObject
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T = TypeVar("T")
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class Singleton(type, Generic[T]):
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_instance = None
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def __call__(cls, *args, **kwargs) -> T:
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if cls._instance is None:
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cls._instance = super().__call__(*args, **kwargs)
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return cls._instance
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class QSingleton(type(QObject), Singleton):
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pass
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