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multiprocessing.connection: allow bytes addresses #16264

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multiprocessing.connection: allow bytes addresses #16264

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9 changes: 6 additions & 3 deletions stdlib/multiprocessing/connection.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -9,7 +9,8 @@ from typing_extensions import Self
__all__ = ["Client", "Listener", "Pipe", "wait"]

# https://docs.python.org/3/library/multiprocessing.html#address-formats
_Address: TypeAlias = str | tuple[str, int]
# bytes: Linux abstract AF_UNIX socket name (starts with a null byte)
_Address: TypeAlias = str | bytes | tuple[str, int]

# Defaulting to Any to avoid forcing generics on a lot of pre-existing code
_SendT_contra = TypeVar("_SendT_contra", contravariant=True, default=Any)
Expand Down Expand Up @@ -52,10 +53,12 @@ class Listener:
def accept(self) -> Connection[Incomplete, Incomplete] | PipeConnection[Incomplete, Incomplete]: ...

def close(self) -> None: ...
# Any: the concrete type depends on the address family and platform
# (e.g. str or bytes for AF_UNIX), cf. _socket._RetAddress
@property
def address(self) -> _Address: ...
def address(self) -> Any: ...
@property
def last_accepted(self) -> _Address | None: ...
def last_accepted(self) -> Any | None: ...
def __enter__(self) -> Self: ...
def __exit__(
self, exc_type: type[BaseException] | None, exc_value: BaseException | None, exc_tb: TracebackType | None
Expand Down
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