Address deprecation warning in shutil.rmtree(onerror=...)

.github/workflows/main.yml

@@ -19,5 +19,5 @@ jobs:
   main-linux:
     uses: asottile/workflows/.github/workflows/tox.yml@v1.6.0
     with:
-      env: '["py39", "py310", "py311"]'
+      env: '["py39", "py310", "py311", "py312"]'
       os: ubuntu-latest

pre_commit/util.py

@@ -202,24 +202,36 @@ else:  # pragma: no cover
     cmd_output_p = cmd_output_b
 
 
-def rmtree(path: str) -> None:
+def _handle_readonly(
-    """On windows, rmtree fails for readonly dirs."""
+        func: Callable[[str], object],
-    def handle_remove_readonly(
-            func: Callable[..., Any],
         path: str,
-            exc: tuple[type[OSError], OSError, TracebackType],
+        exc: OSError,
-    ) -> None:
+) -> None:
-        excvalue = exc[1]
     if (
             func in (os.rmdir, os.remove, os.unlink) and
-                excvalue.errno in {errno.EACCES, errno.EPERM}
+            exc.errno in {errno.EACCES, errno.EPERM}
     ):
         for p in (path, os.path.dirname(path)):
             os.chmod(p, os.stat(p).st_mode | stat.S_IWUSR)
         func(path)
     else:
         raise
-    shutil.rmtree(path, ignore_errors=False, onerror=handle_remove_readonly)
+
+
+if sys.version_info < (3, 12):  # pragma: <3.12 cover
+    def _handle_readonly_old(
+        func: Callable[[str], object],
+        path: str,
+        excinfo: tuple[type[OSError], OSError, TracebackType],
+    ) -> None:
+        return _handle_readonly(func, path, excinfo[1])
+
+    def rmtree(path: str) -> None:
+        shutil.rmtree(path, ignore_errors=False, onerror=_handle_readonly_old)
+else:  # pragma: >=3.12 cover
+    def rmtree(path: str) -> None:
+        """On windows, rmtree fails for readonly dirs."""
+        shutil.rmtree(path, ignore_errors=False, onexc=_handle_readonly)
 
 
 def win_exe(s: str) -> str: