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Mark enum constants in signal.py as Final, not Literal #13500

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Mark enum constants in signal.py as Final, not Literal #13500

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80e6301
Mark enum constants in `signal.py` as `Final`, not `Literal`
sobolevn Feb 14, 2025
b15f751
Delete stdlib/@tests/test_cases/check_signal.py
sobolevn Feb 14, 2025
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94 changes: 47 additions & 47 deletions stdlib/signal.pyi
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Original file line number Diff line number Diff line change
Expand Up @@ -3,7 +3,7 @@ from _typeshed import structseq
from collections.abc import Callable, Iterable
from enum import IntEnum
from types import FrameType
from typing import Any, Final, Literal, final
from typing import Any, Final, final
from typing_extensions import Never, TypeAlias

NSIG: int
Expand Down Expand Up @@ -61,8 +61,8 @@ class Handlers(IntEnum):
SIG_DFL = 0
SIG_IGN = 1

SIG_DFL: Literal[Handlers.SIG_DFL]
SIG_IGN: Literal[Handlers.SIG_IGN]
SIG_DFL: Final = Handlers.SIG_DFL
SIG_IGN: Final = Handlers.SIG_IGN

_SIGNUM: TypeAlias = int | Signals
_HANDLER: TypeAlias = Callable[[int, FrameType | None], Any] | int | Handlers | None
Expand All @@ -77,45 +77,45 @@ else:
def getsignal(signalnum: _SIGNUM, /) -> _HANDLER: ...
def signal(signalnum: _SIGNUM, handler: _HANDLER, /) -> _HANDLER: ...

SIGABRT: Literal[Signals.SIGABRT]
SIGFPE: Literal[Signals.SIGFPE]
SIGILL: Literal[Signals.SIGILL]
SIGINT: Literal[Signals.SIGINT]
SIGSEGV: Literal[Signals.SIGSEGV]
SIGTERM: Literal[Signals.SIGTERM]
SIGABRT: Final = Signals.SIGABRT
SIGFPE: Final = Signals.SIGFPE
SIGILL: Final = Signals.SIGILL
SIGINT: Final = Signals.SIGINT
SIGSEGV: Final = Signals.SIGSEGV
SIGTERM: Final = Signals.SIGTERM

if sys.platform == "win32":
SIGBREAK: Literal[Signals.SIGBREAK]
CTRL_C_EVENT: Literal[Signals.CTRL_C_EVENT]
CTRL_BREAK_EVENT: Literal[Signals.CTRL_BREAK_EVENT]
SIGBREAK: Final = Signals.SIGBREAK
CTRL_C_EVENT: Final = Signals.CTRL_C_EVENT
CTRL_BREAK_EVENT: Final = Signals.CTRL_BREAK_EVENT
else:
if sys.platform != "linux":
SIGINFO: Literal[Signals.SIGINFO]
SIGEMT: Literal[Signals.SIGEMT]
SIGALRM: Literal[Signals.SIGALRM]
SIGBUS: Literal[Signals.SIGBUS]
SIGCHLD: Literal[Signals.SIGCHLD]
SIGCONT: Literal[Signals.SIGCONT]
SIGHUP: Literal[Signals.SIGHUP]
SIGIO: Literal[Signals.SIGIO]
SIGIOT: Literal[Signals.SIGABRT] # alias
SIGKILL: Literal[Signals.SIGKILL]
SIGPIPE: Literal[Signals.SIGPIPE]
SIGPROF: Literal[Signals.SIGPROF]
SIGQUIT: Literal[Signals.SIGQUIT]
SIGSTOP: Literal[Signals.SIGSTOP]
SIGSYS: Literal[Signals.SIGSYS]
SIGTRAP: Literal[Signals.SIGTRAP]
SIGTSTP: Literal[Signals.SIGTSTP]
SIGTTIN: Literal[Signals.SIGTTIN]
SIGTTOU: Literal[Signals.SIGTTOU]
SIGURG: Literal[Signals.SIGURG]
SIGUSR1: Literal[Signals.SIGUSR1]
SIGUSR2: Literal[Signals.SIGUSR2]
SIGVTALRM: Literal[Signals.SIGVTALRM]
SIGWINCH: Literal[Signals.SIGWINCH]
SIGXCPU: Literal[Signals.SIGXCPU]
SIGXFSZ: Literal[Signals.SIGXFSZ]
SIGINFO: Final = Signals.SIGINFO
SIGEMT: Final = Signals.SIGEMT
SIGALRM: Final = Signals.SIGALRM
SIGBUS: Final = Signals.SIGBUS
SIGCHLD: Final = Signals.SIGCHLD
SIGCONT: Final = Signals.SIGCONT
SIGHUP: Final = Signals.SIGHUP
SIGIO: Final = Signals.SIGIO
SIGIOT: Final = Signals.SIGABRT # alias
SIGKILL: Final = Signals.SIGKILL
SIGPIPE: Final = Signals.SIGPIPE
SIGPROF: Final = Signals.SIGPROF
SIGQUIT: Final = Signals.SIGQUIT
SIGSTOP: Final = Signals.SIGSTOP
SIGSYS: Final = Signals.SIGSYS
SIGTRAP: Final = Signals.SIGTRAP
SIGTSTP: Final = Signals.SIGTSTP
SIGTTIN: Final = Signals.SIGTTIN
SIGTTOU: Final = Signals.SIGTTOU
SIGURG: Final = Signals.SIGURG
SIGUSR1: Final = Signals.SIGUSR1
SIGUSR2: Final = Signals.SIGUSR2
SIGVTALRM: Final = Signals.SIGVTALRM
SIGWINCH: Final = Signals.SIGWINCH
SIGXCPU: Final = Signals.SIGXCPU
SIGXFSZ: Final = Signals.SIGXFSZ

class ItimerError(OSError): ...
ITIMER_PROF: int
Expand All @@ -127,9 +127,9 @@ else:
SIG_UNBLOCK = 1
SIG_SETMASK = 2

SIG_BLOCK: Literal[Sigmasks.SIG_BLOCK]
SIG_UNBLOCK: Literal[Sigmasks.SIG_UNBLOCK]
SIG_SETMASK: Literal[Sigmasks.SIG_SETMASK]
SIG_BLOCK: Final = Sigmasks.SIG_BLOCK
SIG_UNBLOCK: Final = Sigmasks.SIG_UNBLOCK
SIG_SETMASK: Final = Sigmasks.SIG_SETMASK
def alarm(seconds: int, /) -> int: ...
def getitimer(which: int, /) -> tuple[float, float]: ...
def pause() -> None: ...
Expand All @@ -147,13 +147,13 @@ else:
else:
def sigwait(sigset: Iterable[int], /) -> _SIGNUM: ...
if sys.platform != "darwin":
SIGCLD: Literal[Signals.SIGCHLD] # alias
SIGPOLL: Literal[Signals.SIGIO] # alias
SIGPWR: Literal[Signals.SIGPWR]
SIGRTMAX: Literal[Signals.SIGRTMAX]
SIGRTMIN: Literal[Signals.SIGRTMIN]
SIGCLD: Final = Signals.SIGCHLD # alias
SIGPOLL: Final = Signals.SIGIO # alias
SIGPWR: Final = Signals.SIGPWR
SIGRTMAX: Final = Signals.SIGRTMAX
SIGRTMIN: Final = Signals.SIGRTMIN
if sys.version_info >= (3, 11):
SIGSTKFLT: Literal[Signals.SIGSTKFLT]
SIGSTKFLT: Final = Signals.SIGSTKFLT

@final
class struct_siginfo(structseq[int], tuple[int, int, int, int, int, int, int]):
Expand Down
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