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https://github.com/ets-labs/python-dependency-injector.git
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32 lines
566 B
Python
32 lines
566 B
Python
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"""Resources module."""
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import abc
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import sys
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from typing import TypeVar, Generic
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if sys.version_info < (3, 7):
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from typing import GenericMeta
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else:
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class GenericMeta(type):
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...
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T = TypeVar('T')
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class ResourceMeta(GenericMeta, abc.ABCMeta):
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def __getitem__(cls, item):
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# Spike for Python 3.6
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return cls(item)
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class Resource(Generic[T], metaclass=ResourceMeta):
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@abc.abstractmethod
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def init(self, *args, **kwargs) -> T:
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...
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@abc.abstractmethod
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def shutdown(self, resource: T) -> None:
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...
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