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Use PEP 688 (#10225)

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Co-authored-by: Alex Waygood <Alex.Waygood@Gmail.com>
This commit is contained in:
Jelle Zijlstra
2023-05-27 19:55:30 -07:00
committed by GitHub
parent 56aeeb677f
commit c0a0c34020
16 changed files with 80 additions and 64 deletions
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12
stdlib/fcntl.pyi
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@@ -1,7 +1,7 @@
import sys
from _typeshed import FileDescriptorLike, ReadOnlyBuffer, WriteableBuffer
from typing import Any, overload
from typing_extensions import Literal
from typing_extensions import Buffer, Literal
if sys.platform != "win32":
FASYNC: int
@@ -104,13 +104,19 @@ if sys.platform != "win32":
def fcntl(__fd: FileDescriptorLike, __cmd: int, __arg: int = 0) -> int: ...
@overload
def fcntl(__fd: FileDescriptorLike, __cmd: int, __arg: str | ReadOnlyBuffer) -> bytes: ...
# If arg is an int, return int
@overload
def ioctl(__fd: FileDescriptorLike, __request: int, __arg: int = 0, __mutate_flag: bool = True) -> int: ...
# The return type works as follows:
# - If arg is a read-write buffer, return int if mutate_flag is True, otherwise bytes
# - If arg is a read-only buffer, return bytes (and ignore the value of mutate_flag)
# We can't represent that precisely as we can't distinguish between read-write and read-only
# buffers, so we add overloads for a few unambiguous cases and use Any for the rest.
@overload
def ioctl(__fd: FileDescriptorLike, __request: int, __arg: WriteableBuffer, __mutate_flag: Literal[True] = True) -> int: ...
def ioctl(__fd: FileDescriptorLike, __request: int, __arg: bytes, __mutate_flag: bool = True) -> bytes: ...
@overload
def ioctl(__fd: FileDescriptorLike, __request: int, __arg: WriteableBuffer, __mutate_flag: Literal[False]) -> bytes: ...
@overload
def ioctl(__fd: FileDescriptorLike, __request: int, __arg: ReadOnlyBuffer, __mutate_flag: bool = True) -> bytes: ...
def ioctl(__fd: FileDescriptorLike, __request: int, __arg: Buffer, __mutate_flag: bool = True) -> Any: ...
def flock(__fd: FileDescriptorLike, __operation: int) -> None: ...
def lockf(__fd: FileDescriptorLike, __cmd: int, __len: int = 0, __start: int = 0, __whence: int = 0) -> Any: ...