Update contrib/tools/python3 to 3.12.4

6e8edffbef193b35b45ddccdc3beda6bb2627186

1 files changed, 17 insertions, 0 deletions

diff --git a/contrib/tools/python3/Python/getargs.c b/contrib/tools/python3/Python/getargs.c
index 5e731cdc23..02bddf0618 100644
--- a/contrib/tools/python3/Python/getargs.c
+++ b/contrib/tools/python3/Python/getargs.c
@@ -4,6 +4,7 @@
 #include "Python.h"
 #include "pycore_tuple.h"         // _PyTuple_ITEMS()
 #include "pycore_pylifecycle.h"   // _PyArg_Fini
+#include "pycore_pystate.h"       // _Py_IsMainInterpreter()
 
 #include <ctype.h>
 #include <float.h>
@@ -2002,7 +2003,23 @@ _parser_init(struct _PyArg_Parser *parser)
     int owned;
     PyObject *kwtuple = parser->kwtuple;
     if (kwtuple == NULL) {
+        /* We may temporarily switch to the main interpreter to avoid
+         * creating a tuple that could outlive its owning interpreter. */
+        PyThreadState *save_tstate = NULL;
+        PyThreadState *temp_tstate = NULL;
+        if (!_Py_IsMainInterpreter(PyInterpreterState_Get())) {
+            temp_tstate = PyThreadState_New(_PyInterpreterState_Main());
+            if (temp_tstate == NULL) {
+                return -1;
+            }
+            save_tstate = PyThreadState_Swap(temp_tstate);
+        }
         kwtuple = new_kwtuple(keywords, len, pos);
+        if (temp_tstate != NULL) {
+            PyThreadState_Clear(temp_tstate);
+            (void)PyThreadState_Swap(save_tstate);
+            PyThreadState_Delete(temp_tstate);
+        }
         if (kwtuple == NULL) {
             return 0;
         }