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37e0c7850d
* bpo-43926: Cleaner metadata with PEP 566 JSON support. * Add blurb * Add versionchanged and versionadded declarations for changes to metadata. * Use descriptor for PEP 566
29 lines
736 B
Python
29 lines
736 B
Python
from typing import Any, Dict, Iterator, List, Protocol, TypeVar, Union
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_T = TypeVar("_T")
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class PackageMetadata(Protocol):
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def __len__(self) -> int:
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... # pragma: no cover
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def __contains__(self, item: str) -> bool:
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... # pragma: no cover
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def __getitem__(self, key: str) -> str:
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... # pragma: no cover
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def __iter__(self) -> Iterator[str]:
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... # pragma: no cover
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def get_all(self, name: str, failobj: _T = ...) -> Union[List[Any], _T]:
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"""
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Return all values associated with a possibly multi-valued key.
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"""
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@property
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def json(self) -> Dict[str, Union[str, List[str]]]:
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"""
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A JSON-compatible form of the metadata.
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"""
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