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Merge pull request #1180 from honue/main

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jxxghp 2023-11-29 13:01:18 +08:00 committed by GitHub
commit ef45b08ee5
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1 changed files with 4 additions and 3 deletions
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7
app/utils/singleton.py
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@ -9,9 +9,10 @@ class Singleton(abc.ABCMeta, type):
_instances: dict = {}
def __call__(cls, *args, **kwargs):
if cls not in cls._instances:
cls._instances[cls] = super(Singleton, cls).__call__(*args, **kwargs)
return cls._instances[cls]
key = (cls, args, frozenset(kwargs.items()))
if key not in cls._instances:
cls._instances[key] = super().__call__(*args, **kwargs)
return cls._instances[key]
class AbstractSingleton(abc.ABC, metaclass=Singleton):