Convert limited API examples to multi-phase init (PEP 489)

AA-Turner · AA-Turner · commit 73210d426221 · 2025-05-22T03:50:34.000+01:00
diff --git a/numpy/_core/tests/examples/limited_api/limited_api1.c b/numpy/_core/tests/examples/limited_api/limited_api1.c
@@ -4,14 +4,34 @@
 #include <numpy/arrayobject.h>
 #include <numpy/ufuncobject.h>
 
-static PyModuleDef moduledef = {
+static int
+_limited_api1_exec(void)
+{
+    import_array1(-1);
+    import_umath1(-1);
+    return 0;
+}
+
+static struct PyModuleDef_Slot limited_api1_slots[] = {
+    {Py_mod_exec, _limited_api1_exec},
+#if PY_VERSION_HEX >= 0x030c00f0  // Python 3.12+
+    {Py_mod_multiple_interpreters, Py_MOD_MULTIPLE_INTERPRETERS_NOT_SUPPORTED},
+#endif
+#if PY_VERSION_HEX >= 0x030d00f0  // Python 3.13+
+    // signal that this module supports running without an active GIL
+    {Py_mod_gil, Py_MOD_GIL_NOT_USED},
+#endif
+    {0, NULL},
+};
+
+static struct PyModuleDef moduledef = {
     .m_base = PyModuleDef_HEAD_INIT,
-    .m_name = "limited_api1"
+    .m_name = "limited_api1",
+    .m_size = 0,
+    .m_slots = limited_api1_slots,
 };
 
 PyMODINIT_FUNC PyInit_limited_api1(void)
 {
-    import_array();
-    import_umath();
-    return PyModule_Create(&moduledef);
+    return PyModuleDef_Init(&moduledef);
 }
diff --git a/numpy/_core/tests/examples/limited_api/limited_api_latest.c b/numpy/_core/tests/examples/limited_api/limited_api_latest.c
@@ -6,14 +6,34 @@
 #include <numpy/arrayobject.h>
 #include <numpy/ufuncobject.h>
 
-static PyModuleDef moduledef = {
+static int
+_limited_api_latest_exec(void)
+{
+    import_array1(-1);
+    import_umath1(-1);
+    return 0;
+}
+
+static struct PyModuleDef_Slot limited_api_latest_slots[] = {
+    {Py_mod_exec, _limited_api_latest_exec},
+#if PY_VERSION_HEX >= 0x030c00f0  // Python 3.12+
+    {Py_mod_multiple_interpreters, Py_MOD_MULTIPLE_INTERPRETERS_NOT_SUPPORTED},
+#endif
+#if PY_VERSION_HEX >= 0x030d00f0  // Python 3.13+
+    // signal that this module supports running without an active GIL
+    {Py_mod_gil, Py_MOD_GIL_NOT_USED},
+#endif
+    {0, NULL},
+};
+
+static struct PyModuleDef moduledef = {
     .m_base = PyModuleDef_HEAD_INIT,
-    .m_name = "limited_api_latest"
+    .m_name = "limited_api_latest",
+    .m_size = 0,
+    .m_slots = limited_api_latest_slots,
 };
 
 PyMODINIT_FUNC PyInit_limited_api_latest(void)
 {
-    import_array();
-    import_umath();
-    return PyModule_Create(&moduledef);
+    return PyModuleDef_Init(&moduledef);
 }
