File python312.patch of Package libxml2

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File python312.patch of Package libxml2

From 548bba106dca7905b6ca915ef58481b3d71f35d8 Mon Sep 17 00:00:00 2001
From: Daniel Garcia Moreno <daniel.garcia@suse.com>
Date: Mon, 23 Oct 2023 10:16:34 +0200
Subject: [PATCH] python: Make it compatible with python3.12

Python 3.12 removes distutils so it's mandatory to use setuptools with
python >= 3.12.

This patch prints a message when trying to run the setup.py script with
a python >= 3.12 without setuptools and try to use the setuptools import
by default.

This patch also creates a new file, pyproject.toml [1], to prepare for
building in modern systems.

[1] https://peps.python.org/pep-0517/
---
 python/pyproject.toml |  3 +++
 python/setup.py.in    | 12 ++++++++----
 4 files changed, 13 insertions(+), 5 deletions(-)
 create mode 100755 python/pyproject.toml.in

Index: libxml2-2.11.5/python/setup.py.in
===================================================================
--- libxml2-2.11.5.orig/python/setup.py.in
+++ libxml2-2.11.5/python/setup.py.in
@@ -5,11 +5,15 @@
 import sys, os
 
 try:
-    import setuptools
+    from setuptools import setup, Extension
 except ImportError:
-    pass
-
-from distutils.core import setup, Extension
+    try:
+        # Using distutils, for python < 3.12
+        from distutils.core import setup, Extension
+    except ImportError:
+        # distutils is not present in python 3.12 and greater
+        print("setuptools is required for python >= 3.12")
+        sys.exit(1)
 
 # Below ROOT, we expect to find include, include/libxml2, lib and bin.
 # On *nix, it is not needed (but should not harm),
Index: libxml2-2.11.5/python/pyproject.toml
===================================================================
--- /dev/null
+++ libxml2-2.11.5/python/pyproject.toml
@@ -0,0 +1,3 @@
+[build-system]
+requires = ["setuptools"]
+build-backend = "setuptools.build_meta"

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