threading updates for 3.14 (#14032)

Author: max-muoto

stdlib/@tests/stubtest_allowlists/py314.txt

@@ -141,8 +141,6 @@ string.templatelib
 sys.is_remote_debug_enabled
 sys.remote_exec
 tarfile.TarFile.zstopen
-threading.Thread.__init__
-threading._RLock.locked
 tkinter.Event.__class_getitem__
 turtle.__all__
 turtle.RawTurtle.fill

stdlib/threading.pyi

@@ -3,6 +3,7 @@ import sys
 from _thread import _excepthook, _ExceptHookArgs, get_native_id as get_native_id
 from _typeshed import ProfileFunction, TraceFunction
 from collections.abc import Callable, Iterable, Mapping
+from contextvars import ContextVar
 from types import TracebackType
 from typing import Any, TypeVar, final
 from typing_extensions import deprecated
@@ -76,16 +77,30 @@ class Thread:
     @property
     def ident(self) -> int | None: ...
     daemon: bool
-    def __init__(
-        self,
-        group: None = None,
-        target: Callable[..., object] | None = None,
-        name: str | None = None,
-        args: Iterable[Any] = (),
-        kwargs: Mapping[str, Any] | None = None,
-        *,
-        daemon: bool | None = None,
-    ) -> None: ...
+    if sys.version_info >= (3, 14):
+        def __init__(
+            self,
+            group: None = None,
+            target: Callable[..., object] | None = None,
+            name: str | None = None,
+            args: Iterable[Any] = (),
+            kwargs: Mapping[str, Any] | None = None,
+            *,
+            daemon: bool | None = None,
+            context: ContextVar[Any] | None = None,
+        ) -> None: ...
+    else:
+        def __init__(
+            self,
+            group: None = None,
+            target: Callable[..., object] | None = None,
+            name: str | None = None,
+            args: Iterable[Any] = (),
+            kwargs: Mapping[str, Any] | None = None,
+            *,
+            daemon: bool | None = None,
+        ) -> None: ...
+
     def start(self) -> None: ...
     def run(self) -> None: ...
     def join(self, timeout: float | None = None) -> None: ...
@@ -116,6 +131,9 @@ class _RLock:
     __enter__ = acquire
     def __exit__(self, t: type[BaseException] | None, v: BaseException | None, tb: TracebackType | None) -> None: ...
 
+    if sys.version_info >= (3, 14):
+        def locked(self) -> bool: ...
+
 RLock = _thread.RLock  # Actually a function at runtime.
 
 class Condition: