From c17f378c0efb67afb245fe2ef9e7dd2272541ff9 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Wed, 6 Aug 2025 14:34:56 +0200
Subject: [PATCH] Use PyInitConfig API in _freeze_module.c (#137423)

---
 Programs/_freeze_module.c | 45 +++++++++++++++++++++++++--------------
 1 file changed, 29 insertions(+), 16 deletions(-)

diff --git a/Programs/_freeze_module.c b/Programs/_freeze_module.c
index 06d1ee016dc2..a5809b37b6b4 100644
--- a/Programs/_freeze_module.c
+++ b/Programs/_freeze_module.c
@@ -45,27 +45,40 @@ static const char header[] =
 static void
 runtime_init(void)
 {
-    PyConfig config;
-    PyConfig_InitIsolatedConfig(&config);
-
-    config.site_import = 0;
+    PyInitConfig *config = PyInitConfig_Create();
+    if (config == NULL) {
+        printf("memory allocation failed\n");
+        exit(1);
+    }
 
-    PyStatus status;
-    status = PyConfig_SetString(&config, &config.program_name,
-                                L"./_freeze_module");
-    if (PyStatus_Exception(status)) {
-        PyConfig_Clear(&config);
-        Py_ExitStatusException(status);
+    if (PyInitConfig_SetInt(config, "site_import", 0) < 0) {
+        goto error;
+    }
+    if (PyInitConfig_SetStr(config, "program_name", "./_freeze_module") < 0) {
+        goto error;
     }
 
     /* Don't install importlib, since it could execute outdated bytecode. */
-    config._install_importlib = 0;
-    config._init_main = 0;
+    if (PyInitConfig_SetInt(config, "_install_importlib", 0) < 0) {
+        goto error;
+    }
+    if (PyInitConfig_SetInt(config, "_init_main", 0) < 0) {
+        goto error;
+    }
+
+    if (Py_InitializeFromInitConfig(config) < 0) {
+        goto error;
+    }
+    PyInitConfig_Free(config);
+    return;
 
-    status = Py_InitializeFromConfig(&config);
-    PyConfig_Clear(&config);
-    if (PyStatus_Exception(status)) {
-        Py_ExitStatusException(status);
+error:
+    {
+        const char *err_msg;
+        (void)PyInitConfig_GetError(config, &err_msg);
+        printf("Python init error: %s\n", err_msg);
+        PyInitConfig_Free(config);
+        exit(1);
     }
 }
 
-- 
2.47.3