Use PEP 570 syntax in stdlib (#11250)

stdlib/sys/__init__.pyi

@@ -17,9 +17,7 @@ _OptExcInfo: TypeAlias = OptExcInfo  # noqa: Y047  # TODO: obsolete, remove fall
 
 # Intentionally omits one deprecated and one optional method of `importlib.abc.MetaPathFinder`
 class _MetaPathFinder(Protocol):
-    def find_spec(
-        self, __fullname: str, __path: Sequence[str] | None, __target: ModuleType | None = ...
-    ) -> ModuleSpec | None: ...
+    def find_spec(self, fullname: str, path: Sequence[str] | None, target: ModuleType | None = ..., /) -> ModuleSpec | None: ...
 
 # ----- sys variables -----
 if sys.platform != "win32":
@@ -245,19 +243,19 @@ class _version_info(_UninstantiableStructseq, tuple[int, int, int, _ReleaseLevel
 
 version_info: _version_info
 
-def call_tracing(__func: Callable[..., _T], __args: Any) -> _T: ...
+def call_tracing(func: Callable[..., _T], args: Any, /) -> _T: ...
 def _clear_type_cache() -> None: ...
 def _current_frames() -> dict[int, FrameType]: ...
-def _getframe(__depth: int = 0) -> FrameType: ...
+def _getframe(depth: int = 0, /) -> FrameType: ...
 def _debugmallocstats() -> None: ...
-def __displayhook__(__object: object) -> None: ...
-def __excepthook__(__exctype: type[BaseException], __value: BaseException, __traceback: TracebackType | None) -> None: ...
+def __displayhook__(object: object, /) -> None: ...
+def __excepthook__(exctype: type[BaseException], value: BaseException, traceback: TracebackType | None, /) -> None: ...
 def exc_info() -> OptExcInfo: ...
 
 if sys.version_info >= (3, 11):
     def exception() -> BaseException | None: ...
 
-def exit(__status: _ExitCode = None) -> NoReturn: ...
+def exit(status: _ExitCode = None, /) -> NoReturn: ...
 def getallocatedblocks() -> int: ...
 def getdefaultencoding() -> str: ...
 
@@ -266,7 +264,7 @@ if sys.platform != "win32":
 
 def getfilesystemencoding() -> str: ...
 def getfilesystemencodeerrors() -> str: ...
-def getrefcount(__object: Any) -> int: ...
+def getrefcount(object: Any, /) -> int: ...
 def getrecursionlimit() -> int: ...
 def getsizeof(obj: object, default: int = ...) -> int: ...
 def getswitchinterval() -> float: ...
@@ -302,22 +300,22 @@ if sys.platform == "win32":
 
     def getwindowsversion() -> _WinVersion: ...
 
-def intern(__string: str) -> str: ...
+def intern(string: str, /) -> str: ...
 def is_finalizing() -> bool: ...
 def breakpointhook(*args: Any, **kwargs: Any) -> Any: ...
 
 __breakpointhook__ = breakpointhook  # Contains the original value of breakpointhook
 
 if sys.platform != "win32":
-    def setdlopenflags(__flags: int) -> None: ...
+    def setdlopenflags(flags: int, /) -> None: ...
 
-def setrecursionlimit(__limit: int) -> None: ...
-def setswitchinterval(__interval: float) -> None: ...
+def setrecursionlimit(limit: int, /) -> None: ...
+def setswitchinterval(interval: float, /) -> None: ...
 def gettotalrefcount() -> int: ...  # Debug builds only
 
 if sys.version_info < (3, 9):
     def getcheckinterval() -> int: ...  # deprecated
-    def setcheckinterval(__n: int) -> None: ...  # deprecated
+    def setcheckinterval(n: int, /) -> None: ...  # deprecated
 
 if sys.version_info < (3, 9):
     # An 11-tuple or None
@@ -333,9 +331,9 @@ class UnraisableHookArgs(Protocol):
 
 unraisablehook: Callable[[UnraisableHookArgs], Any]
 
-def __unraisablehook__(__unraisable: UnraisableHookArgs) -> Any: ...
+def __unraisablehook__(unraisable: UnraisableHookArgs, /) -> Any: ...
 def addaudithook(hook: Callable[[str, tuple[Any, ...]], Any]) -> None: ...
-def audit(__event: str, *args: Any) -> None: ...
+def audit(event: str, /, *args: Any) -> None: ...
 
 _AsyncgenHook: TypeAlias = Callable[[AsyncGenerator[Any, Any]], None] | None
 
@@ -366,9 +364,9 @@ if sys.version_info >= (3, 12):
     def is_stack_trampoline_active() -> bool: ...
     # It always exists, but raises on non-linux platforms:
     if sys.platform == "linux":
-        def activate_stack_trampoline(__backend: str) -> None: ...
+        def activate_stack_trampoline(backend: str, /) -> None: ...
     else:
-        def activate_stack_trampoline(__backend: str) -> NoReturn: ...
+        def activate_stack_trampoline(backend: str, /) -> NoReturn: ...
 
     from . import _monitoring
 

stdlib/sys/_monitoring.pyi

@@ -14,9 +14,9 @@ COVERAGE_ID: int
 PROFILER_ID: int
 OPTIMIZER_ID: int
 
-def use_tool_id(__tool_id: int, __name: str) -> None: ...
-def free_tool_id(__tool_id: int) -> None: ...
-def get_tool(__tool_id: int) -> str | None: ...
+def use_tool_id(tool_id: int, name: str, /) -> None: ...
+def free_tool_id(tool_id: int, /) -> None: ...
+def get_tool(tool_id: int, /) -> str | None: ...
 
 events: _events
 
@@ -40,13 +40,13 @@ class _events:
     RERAISE: int
     STOP_ITERATION: int
 
-def get_events(__tool_id: int) -> int: ...
-def set_events(__tool_id: int, __event_set: int) -> None: ...
-def get_local_events(__tool_id: int, __code: CodeType) -> int: ...
-def set_local_events(__tool_id: int, __code: CodeType, __event_set: int) -> int: ...
+def get_events(tool_id: int, /) -> int: ...
+def set_events(tool_id: int, event_set: int, /) -> None: ...
+def get_local_events(tool_id: int, code: CodeType, /) -> int: ...
+def set_local_events(tool_id: int, code: CodeType, event_set: int, /) -> int: ...
 def restart_events() -> None: ...
 
 DISABLE: object
 MISSING: object
 
-def register_callback(__tool_id: int, __event: int, __func: Callable[..., Any] | None) -> Callable[..., Any] | None: ...
+def register_callback(tool_id: int, event: int, func: Callable[..., Any] | None, /) -> Callable[..., Any] | None: ...