From 47f9aee98b021a75e494ccb153d9f048a0ab59d80c848b184370beb813dc4431 Mon Sep 17 00:00:00 2001
From: Daniel Garcia Moreno <daniel.garcia@suse.com>
Date: Thu, 23 Oct 2025 11:42:07 +0200
Subject: [PATCH] Convert to libalternatives, bsc#1245883

---
 python-Cython.changes |  5 +++++
 python-Cython.spec    | 22 ++++++++++++++++++----
 2 files changed, 23 insertions(+), 4 deletions(-)

diff --git a/python-Cython.changes b/python-Cython.changes
index 7653332..37ecb48 100644
--- a/python-Cython.changes
+++ b/python-Cython.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Wed Aug 13 12:01:11 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems
+
 -------------------------------------------------------------------
 Tue Apr  1 11:44:25 UTC 2025 - Markéta Machová <mmachova@suse.com>
 
diff --git a/python-Cython.spec b/python-Cython.spec
index 2cbed8e..60e40ac 100644
--- a/python-Cython.spec
+++ b/python-Cython.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-Cython
 #
-# Copyright (c) 2025 SUSE LLC
+# Copyright (c) 2025 SUSE LLC and contributors
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -17,6 +17,11 @@
 
 
 %bcond_with test
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
 %{?sle15_python_module_pythons}
 Name:           python-Cython
 Version:        3.0.12
@@ -25,7 +30,7 @@ Summary:        The Cython compiler for writing C extensions for the Python lang
 License:        Apache-2.0
 URL:            https://cython.org/
 # SourceRepository: https://github.com/cython/cython
-Source:         https://files.pythonhosted.org/packages/source/C/Cython/cython-%{version}.tar.gz
+Source:         https://files.pythonhosted.org/packages/source/c/cython/cython-%{version}.tar.gz
 Source1:        python-Cython-rpmlintrc
 BuildRequires:  %{python_module devel}
 BuildRequires:  %{python_module pip}
@@ -35,11 +40,16 @@ BuildRequires:  fdupes
 BuildRequires:  gcc-c++
 BuildRequires:  python-rpm-macros
 Requires:       python-devel
-Requires(post): update-alternatives
-Requires(postun): update-alternatives
 Conflicts:      python-Cython < 3
 Provides:       python-Cython3 = %{version}
 Obsoletes:      python-Cython3 < %{version}
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
+Requires(post): update-alternatives
+Requires(postun): update-alternatives
+%endif
 %python_subpackages
 
 %description
@@ -66,6 +76,7 @@ export CFLAGS="%{optflags} -fno-strict-aliasing"
 for p in cython cythonize cygdb ; do
     %python_clone -a %{buildroot}%{_bindir}/$p
 done
+%python_group_libalternatives cython cythonize cygdb
 
 %{python_expand chmod a+x %{buildroot}%{$python_sitearch}/Cython/Build/Cythonize.py
 sed -i "s|^#!%{_bindir}/env python$|#!%{__$python}|" %{buildroot}%{$python_sitearch}/Cython/Build/Cythonize.py
@@ -81,6 +92,9 @@ $python runtests.py -v
 }
 %endif
 
+%pre
+%python_libalternatives_reset_alternative cython
+
 %post
 %python_install_alternative cython cythonize cygdb