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[array] Add w typecode and deprecate u typecode #14475

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Merged
merged 3 commits into from
Aug 8, 2025
Merged

[array] Add w typecode and deprecate u typecode #14475

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b3f685d
[array] Add `w` typecode and deprecate `u` typecode
donBarbos Jul 27, 2025
24e9c0f
say Python instead of version
donBarbos Aug 8, 2025
ce9da13
Update array.pyi
donBarbos Aug 8, 2025
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28 changes: 22 additions & 6 deletions stdlib/array.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -3,11 +3,14 @@ from _typeshed import ReadableBuffer, SupportsRead, SupportsWrite
from collections.abc import Iterable, MutableSequence
from types import GenericAlias
from typing import Any, ClassVar, Literal, SupportsIndex, TypeVar, overload
from typing_extensions import Self, TypeAlias
from typing_extensions import Self, TypeAlias, deprecated

_IntTypeCode: TypeAlias = Literal["b", "B", "h", "H", "i", "I", "l", "L", "q", "Q"]
_FloatTypeCode: TypeAlias = Literal["f", "d"]
_UnicodeTypeCode: TypeAlias = Literal["u"]
if sys.version_info >= (3, 13):
_UnicodeTypeCode: TypeAlias = Literal["u", "w"]
else:
_UnicodeTypeCode: TypeAlias = Literal["u"]
_TypeCode: TypeAlias = _IntTypeCode | _FloatTypeCode | _UnicodeTypeCode

_T = TypeVar("_T", int, float, str)
Expand All @@ -27,10 +30,23 @@ class array(MutableSequence[_T]):
def __new__(
cls: type[array[float]], typecode: _FloatTypeCode, initializer: bytes | bytearray | Iterable[float] = ..., /
) -> array[float]: ...
@overload
def __new__(
cls: type[array[str]], typecode: _UnicodeTypeCode, initializer: bytes | bytearray | Iterable[str] = ..., /
) -> array[str]: ...
if sys.version_info >= (3, 13):
@overload
def __new__(
cls: type[array[str]], typecode: Literal["w"], initializer: bytes | bytearray | Iterable[str] = ..., /
) -> array[str]: ...
@overload
@deprecated("Deprecated since Python 3.3; will be removed in Python 3.16. Use 'w' typecode instead.")
def __new__(
cls: type[array[str]], typecode: Literal["u"], initializer: bytes | bytearray | Iterable[str] = ..., /
) -> array[str]: ...
else:
@overload
@deprecated("Deprecated since Python 3.3; will be removed in Python 3.16.")
def __new__(
cls: type[array[str]], typecode: Literal["u"], initializer: bytes | bytearray | Iterable[str] = ..., /
) -> array[str]: ...

@overload
def __new__(cls, typecode: str, initializer: Iterable[_T], /) -> Self: ...
@overload
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