From dbe4d32a2a7e9c92689cdf850c00153c59ac2286 Mon Sep 17 00:00:00 2001
From: Max Muoto <maxmuoto@gmail.com>
Date: Sun, 15 Sep 2024 15:13:09 -0500
Subject: [PATCH] Add `fchmod` and `lchmod` for Windows on 3.13 (#12662)

---
 stdlib/@tests/stubtest_allowlists/win32-py313.txt |  4 ----
 stdlib/nt.pyi                                     |  2 ++
 stdlib/os/__init__.pyi                            | 11 +++++++++--
 3 files changed, 11 insertions(+), 6 deletions(-)

diff --git a/stdlib/@tests/stubtest_allowlists/win32-py313.txt b/stdlib/@tests/stubtest_allowlists/win32-py313.txt
index 05a81a4eb..1f2749e76 100644
--- a/stdlib/@tests/stubtest_allowlists/win32-py313.txt
+++ b/stdlib/@tests/stubtest_allowlists/win32-py313.txt
@@ -1,11 +1,7 @@
 # New in py313 (triage these!)
-nt.fchmod
-nt.lchmod
 ntpath.exists
 ntpath.lexists
 ntpath.splitroot
-os.fchmod
-os.lchmod
 os.path.exists
 os.path.lexists
 
diff --git a/stdlib/nt.pyi b/stdlib/nt.pyi
index 4066096f4..e1d57d09a 100644
--- a/stdlib/nt.pyi
+++ b/stdlib/nt.pyi
@@ -107,5 +107,7 @@ if sys.platform == "win32":
             listvolumes as listvolumes,
             set_blocking as set_blocking,
         )
+    if sys.version_info >= (3, 13):
+        from os import fchmod as fchmod, lchmod as lchmod
 
     environ: dict[str, str]
diff --git a/stdlib/os/__init__.pyi b/stdlib/os/__init__.pyi
index 700e0e9df..d7bb4883a 100644
--- a/stdlib/os/__init__.pyi
+++ b/stdlib/os/__init__.pyi
@@ -673,7 +673,6 @@ if sys.version_info >= (3, 12) or sys.platform != "win32":
     def set_blocking(fd: int, blocking: bool, /) -> None: ...
 
 if sys.platform != "win32":
-    def fchmod(fd: int, mode: int) -> None: ...
     def fchown(fd: int, uid: int, gid: int) -> None: ...
     def fpathconf(fd: int, name: str | int, /) -> int: ...
     def fstatvfs(fd: int, /) -> statvfs_result: ...
@@ -754,7 +753,6 @@ def chmod(path: FileDescriptorOrPath, mode: int, *, dir_fd: int | None = None, f
 if sys.platform != "win32" and sys.platform != "linux":
     def chflags(path: StrOrBytesPath, flags: int, follow_symlinks: bool = True) -> None: ...  # some flavors of Unix
     def lchflags(path: StrOrBytesPath, flags: int) -> None: ...
-    def lchmod(path: StrOrBytesPath, mode: int) -> None: ...
 
 if sys.platform != "win32":
     def chroot(path: StrOrBytesPath) -> None: ...
@@ -1179,3 +1177,12 @@ if sys.version_info >= (3, 13) and sys.platform == "linux":
     def timerfd_settime_ns(fd: FileDescriptor, /, *, flags: int = 0, initial: int = 0, interval: int = 0) -> tuple[int, int]: ...
     def timerfd_gettime(fd: FileDescriptor, /) -> tuple[float, float]: ...
     def timerfd_gettime_ns(fd: FileDescriptor, /) -> tuple[int, int]: ...
+
+if sys.version_info >= (3, 13) or sys.platform != "win32":
+    # Added to Windows in 3.13.
+    def fchmod(fd: int, mode: int) -> None: ...
+
+if sys.platform != "linux":
+    if sys.version_info >= (3, 13) or sys.platform != "win32":
+        # Added to Windows in 3.13.
+        def lchmod(path: StrOrBytesPath, mode: int) -> None: ...