From 048a35659aa8074afe7d7d054e7cea1f8ee6d366 Mon Sep 17 00:00:00 2001
From: Victor Stinner <vstinner@python.org>
Date: Thu, 5 Nov 2020 00:45:56 +0100
Subject: bpo-42260: Add _PyInterpreterState_SetConfig() (GH-23158)

* Inline _PyInterpreterState_SetConfig(): replace it with
  _PyConfig_Copy().
* Add _PyErr_SetFromPyStatus()
* Add _PyInterpreterState_GetConfigCopy()
* Add a new _PyInterpreterState_SetConfig() function.
* Add an unit which gets, modifies, and sets the config.
---
 Python/pystate.c | 16 +++++++++++-----
 1 file changed, 11 insertions(+), 5 deletions(-)

(limited to 'Python/pystate.c')

diff --git a/Python/pystate.c b/Python/pystate.c
index c9882a7f74..600cc5e03a 100644
--- a/Python/pystate.c
+++ b/Python/pystate.c
@@ -778,7 +778,7 @@ PyState_RemoveModule(struct PyModuleDef* def)
     return PyList_SetItem(interp->modules_by_index, index, Py_None);
 }
 
-/* Used by PyImport_Cleanup() */
+// Used by finalize_modules()
 void
 _PyInterpreterState_ClearModules(PyInterpreterState *interp)
 {
@@ -1920,11 +1920,17 @@ _PyInterpreterState_GetConfig(PyInterpreterState *interp)
 }
 
 
-PyStatus
-_PyInterpreterState_SetConfig(PyInterpreterState *interp,
-                              const PyConfig *config)
+int
+_PyInterpreterState_GetConfigCopy(PyConfig *config)
 {
-    return _PyConfig_Copy(&interp->config, config);
+    PyInterpreterState *interp = PyInterpreterState_Get();
+
+    PyStatus status = _PyConfig_Copy(config, &interp->config);
+    if (PyStatus_Exception(status)) {
+        _PyErr_SetFromPyStatus(status);
+        return -1;
+    }
+    return 0;
 }
 
 
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