python · vstinner · Mar 31, 2020 · Mar 31, 2020
diff --git a/Misc/NEWS.d/next/Core and Builtins/2020-03-31-21-12-27.bpo-1635741.S2nkF3.rst b/Misc/NEWS.d/next/Core and Builtins/2020-03-31-21-12-27.bpo-1635741.S2nkF3.rst
@@ -0,0 +1 @@
+Port _uuid module to multiphase initialization (:pep:`489`).
diff --git a/Modules/_uuidmodule.c b/Modules/_uuidmodule.c
@@ -38,38 +38,41 @@ py_uuid_generate_time_safe(PyObject *Py_UNUSED(context),
 #endif
 }

+static int
+uuid_exec(PyObject *module) {
+    assert(sizeof(uuid_t) == 16);
+#ifdef HAVE_UUID_GENERATE_TIME_SAFE
+    int has_uuid_generate_time_safe = 1;
+#else
+    int has_uuid_generate_time_safe = 0;
+#endif
+    if (PyModule_AddIntConstant(module, "has_uuid_generate_time_safe",
+                                has_uuid_generate_time_safe) < 0) {
+        return -1;
+    }
+    return 0;
+}

 static PyMethodDef uuid_methods[] = {
    {"generate_time_safe", py_uuid_generate_time_safe, METH_NOARGS, NULL},
    {NULL, NULL, 0, NULL}           /* sentinel */
 };

+static PyModuleDef_Slot uuid_slots[] = {
+    {Py_mod_exec, uuid_exec},
+    {0, NULL}
+};
+
 static struct PyModuleDef uuidmodule = {
    PyModuleDef_HEAD_INIT,
    .m_name = "_uuid",
-    .m_size = -1,
+    .m_size = 0,
    .m_methods = uuid_methods,
+    .m_slots = uuid_slots,
 };

 PyMODINIT_FUNC
 PyInit__uuid(void)
 {
-    PyObject *mod;
-    assert(sizeof(uuid_t) == 16);
-#ifdef HAVE_UUID_GENERATE_TIME_SAFE
-    int has_uuid_generate_time_safe = 1;
-#else
-    int has_uuid_generate_time_safe = 0;
-#endif
-    mod = PyModule_Create(&uuidmodule);
-    if (mod == NULL) {
-        return NULL;
-    }
-    if (PyModule_AddIntConstant(mod, "has_uuid_generate_time_safe",
-                                has_uuid_generate_time_safe) < 0) {
-        Py_DECREF(mod);
-        return NULL;
-    }
-
-    return mod;
+    return PyModuleDef_Init(&uuidmodule);
 }
Original file line number	Diff line number	Diff line change
		@@ -0,0 +1 @@
		Port _uuid module to multiphase initialization (:pep:`489`).