From ca6a73277b7f48ce4cf9d30d7bff7813f3685684 Mon Sep 17 00:00:00 2001
From: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
Date: Mon, 9 May 2022 19:53:20 +0200
Subject: [PATCH] Python: define PY_SSIZE_T_CLEAN

It is recommended to always define PY_SSIZE_T_CLEAN before including
Python.h. Cf. https://docs.python.org/3/c-api/intro.html

This avoids errors like:

    SystemError: PY_SSIZE_T_CLEAN macro must be defined for '#' formats

Signed-off-by: Heinrich Schuchardt <heinrich.schuchardt@canonical.com>
---
 Lib/python/embed.i       | 4 +++-
 Lib/python/pyruntime.swg | 3 +++
 2 files changed, 6 insertions(+), 1 deletion(-)

Index: swig-4.0.2/Lib/python/embed.i
===================================================================
--- swig-4.0.2.orig/Lib/python/embed.i
+++ swig-4.0.2/Lib/python/embed.i
@@ -29,7 +29,9 @@ As far as I know, this module is C++ saf
 #endif
 
 %wrapper %{
-
+#ifndef PY_SSIZE_T_CLEAN
+#define PY_SSIZE_T_CLEAN
+#endif
 #include <Python.h>
 
 #ifdef __cplusplus
Index: swig-4.0.2/Lib/python/pyruntime.swg
===================================================================
--- swig-4.0.2.orig/Lib/python/pyruntime.swg
+++ swig-4.0.2/Lib/python/pyruntime.swg
@@ -4,6 +4,9 @@
 # include <math.h>
 #endif
 
+#ifndef PY_SSIZE_T_CLEAN
+#define PY_SSIZE_T_CLEAN
+#endif
 #if defined(_DEBUG) && defined(SWIG_PYTHON_INTERPRETER_NO_DEBUG)
 /* Use debug wrappers with the Python release dll */
 # undef _DEBUG