From ac7009d17f711b8adce1a3705136b2447cac7cdd Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Mika=C3=ABl=20Capelle?= <capelle.mikael@gmail.com>
Date: Sun, 3 Dec 2023 09:15:57 +0100
Subject: [PATCH] Configure Python to run in isolated mode. (#121)

---
 src/runner/pythonrunner.cpp | 14 +++++++++++---
 1 file changed, 11 insertions(+), 3 deletions(-)

diff --git a/src/runner/pythonrunner.cpp b/src/runner/pythonrunner.cpp
index 8c190b9..54f4019 100644
--- a/src/runner/pythonrunner.cpp
+++ b/src/runner/pythonrunner.cpp
@@ -93,10 +93,18 @@ namespace mo2::python {
                 Py_SetPath(paths.join(';').toStdWString().c_str());
             }
 
-            Py_OptimizeFlag = 2;
-            Py_NoSiteFlag   = 1;
+            PyConfig config;
+            PyConfig_InitIsolatedConfig(&config);
 
-            py::initialize_interpreter(false, 1, &argv0);
+            // from PyBind11
+            config.parse_argv              = 0;
+            config.install_signal_handlers = 0;
+
+            // from MO2
+            config.site_import        = 1;
+            config.optimization_level = 2;
+
+            py::initialize_interpreter(&config, 1, &argv0, true);
 
             if (!Py_IsInitialized()) {
                 MOBase::log::error(