cpython/Lib/importlib/metadata/_meta.py
Jason R. Coombs 2d91409c69
gh-113174: Sync with importlib_metadata 7.0 (#113175)
* Sync with importlib_metadata 7.0.0

* Add blurb

* Update docs to reflect changes.

* Link datamodel docs for object.__getitem__

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

* Add what's new for removed __getattr__

* Link datamodel docs for object.__getitem__

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>

* Add exclamation point, as that seems to be used for other classes.

---------

Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
2023-12-21 15:04:05 -05:00

63 lines
1.6 KiB
Python

from typing import Protocol
from typing import Any, Dict, Iterator, List, Optional, TypeVar, Union, overload
_T = TypeVar("_T")
class PackageMetadata(Protocol):
def __len__(self) -> int:
... # pragma: no cover
def __contains__(self, item: str) -> bool:
... # pragma: no cover
def __getitem__(self, key: str) -> str:
... # pragma: no cover
def __iter__(self) -> Iterator[str]:
... # pragma: no cover
@overload
def get(self, name: str, failobj: None = None) -> Optional[str]:
... # pragma: no cover
@overload
def get(self, name: str, failobj: _T) -> Union[str, _T]:
... # pragma: no cover
# overload per python/importlib_metadata#435
@overload
def get_all(self, name: str, failobj: None = None) -> Optional[List[Any]]:
... # pragma: no cover
@overload
def get_all(self, name: str, failobj: _T) -> Union[List[Any], _T]:
"""
Return all values associated with a possibly multi-valued key.
"""
@property
def json(self) -> Dict[str, Union[str, List[str]]]:
"""
A JSON-compatible form of the metadata.
"""
class SimplePath(Protocol[_T]):
"""
A minimal subset of pathlib.Path required by PathDistribution.
"""
def joinpath(self, other: Union[str, _T]) -> _T:
... # pragma: no cover
def __truediv__(self, other: Union[str, _T]) -> _T:
... # pragma: no cover
@property
def parent(self) -> _T:
... # pragma: no cover
def read_text(self) -> str:
... # pragma: no cover