gh-95461: Add some parameters in CreateKeyEx and OpenKeyEx in winreg

Include/internal/pycore_global_strings.h

@@ -362,6 +362,7 @@ struct _Py_global_strings {
         STRUCT_FOR_ID(coro)
         STRUCT_FOR_ID(count)
         STRUCT_FOR_ID(covariant)
+        STRUCT_FOR_ID(create_only)
         STRUCT_FOR_ID(cwd)
         STRUCT_FOR_ID(data)
         STRUCT_FOR_ID(database)

Lib/test/test_winreg.py

@@ -228,6 +228,23 @@ def test_registry_works_extended_functions(self):
 
         self._delete_test_data(HKEY_CURRENT_USER)
 
+    def test_registry_works_with_options(self):
+        ckeo = lambda key, sub_key: CreateKeyEx(key, sub_key, 0, KEY_ALL_ACCESS,
+                                                options=REG_OPTION_VOLATILE)
+        self._write_test_data(HKEY_CURRENT_USER, CreateKey=ckeo)
+
+        okeo = lambda key, sub_key: OpenKeyEx(key, sub_key, 0, KEY_READ,
+                                              options=REG_OPTION_VOLATILE)
+        self._read_test_data(HKEY_CURRENT_USER, OpenKey=okeo)
+
+        self._delete_test_data(HKEY_CURRENT_USER)
+
+    def test_create_only(self):
+        CreateKeyEx(HKEY_CURRENT_USER, test_key_name)
+        with self.assertRaises(FileExistsError):
+            CreateKeyEx(HKEY_CURRENT_USER, test_key_name, create_only=True)
+        DeleteKey(HKEY_CURRENT_USER, test_key_name)
+
     def test_named_arguments(self):
         self._test_named_args(HKEY_CURRENT_USER, test_key_name)
         # Use the regular DeleteKey to clean up

Misc/NEWS.d/next/Windows/2025-02-10-00-00-00.gh-issue-95461.rBmMaH.rst

@@ -0,0 +1,2 @@
+Add *options* and *create_only* parameters to :meth:`winreg.CreateKeyEx`.
+Add *options* parameter to :meth:`winreg.OpenKeyEx`.