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Add a typevar with a default to io.TextIOWrapper (#12286)

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This commit is contained in:
sobolevn
2024-07-10 12:41:57 +03:00
committed by GitHub
parent e8cc1e46fe
commit 9f2a9d8579
2 changed files with 11 additions and 10 deletions
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14
stdlib/io.pyi
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@@ -6,7 +6,7 @@ from _typeshed import FileDescriptorOrPath, ReadableBuffer, WriteableBuffer
from collections.abc import Callable, Iterable, Iterator
from os import _Opener
from types import TracebackType
from typing import IO, Any, BinaryIO, Literal, Protocol, TextIO, TypeVar, overload, type_check_only
from typing import IO, Any, BinaryIO, Generic, Literal, Protocol, TextIO, TypeVar, overload, type_check_only
from typing_extensions import Self
__all__ = [
@@ -173,12 +173,12 @@ class _WrappedBuffer(Protocol):
# def seek(self, offset: Literal[0], whence: Literal[2]) -> int: ...
# def tell(self) -> int: ...
# TODO: Should be generic over the buffer type, but needs to wait for
# TypeVar defaults.
class TextIOWrapper(TextIOBase, TextIO): # type: ignore[misc] # incompatible definitions of write in the base classes
_BufferT_co = TypeVar("_BufferT_co", bound=_WrappedBuffer, default=_WrappedBuffer, covariant=True)
class TextIOWrapper(TextIOBase, TextIO, Generic[_BufferT_co]): # type: ignore[misc] # incompatible definitions of write in the base classes
def __init__(
self,
buffer: _WrappedBuffer,
buffer: _BufferT_co,
encoding: str | None = None,
errors: str | None = None,
newline: str | None = None,
@@ -187,7 +187,7 @@ class TextIOWrapper(TextIOBase, TextIO): # type: ignore[misc] # incompatible d
) -> None: ...
# Equals the "buffer" argument passed in to the constructor.
@property
def buffer(self) -> BinaryIO: ...
def buffer(self) -> _BufferT_co: ... # type: ignore[override]
@property
def closed(self) -> bool: ...
@property
@@ -211,7 +211,7 @@ class TextIOWrapper(TextIOBase, TextIO): # type: ignore[misc] # incompatible d
def readline(self, size: int = -1, /) -> str: ... # type: ignore[override]
def readlines(self, hint: int = -1, /) -> list[str]: ... # type: ignore[override]
# Equals the "buffer" argument passed in to the constructor.
def detach(self) -> BinaryIO: ...
def detach(self) -> _BufferT_co: ... # type: ignore[override]
# TextIOWrapper's version of seek only supports a limited subset of
# operations.
def seek(self, cookie: int, whence: int = 0, /) -> int: ...