- Convert to libalternatives on SLE-16-based and newer systems

OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-antlr4-python3-runtime?expand=0&rev=18

python-antlr4-python3-runtime.changes

@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Aug 25 09:52:12 UTC 2025 - Markéta Machová <mmachova@suse.com>
+
+- Convert to libalternatives on SLE-16-based and newer systems
+
 -------------------------------------------------------------------
 Tue Oct  8 12:57:07 UTC 2024 - John Paul Adrian Glaubitz <adrian.glaubitz@suse.com>
 

python-antlr4-python3-runtime.spec

@@ -1,7 +1,7 @@
 #
 # spec file for package python-antlr4-python3-runtime
 #
-# Copyright (c) 2024 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
@@ -16,6 +16,11 @@
 #
 
 
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
 %{?sle15_python_module_pythons}
 Name:           python-antlr4-python3-runtime
 Version:        4.13.2
@@ -30,9 +35,14 @@ BuildRequires:  %{python_module setuptools}
 BuildRequires:  %{python_module wheel}
 BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
+BuildArch:      noarch
+%if %{with libalternatives}
+BuildRequires:  alts
+Requires:       alts
+%else
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
-BuildArch:      noarch
+%endif
 %python_subpackages
 
 %description
@@ -62,6 +72,9 @@ sed -i 's,self.assertEquals,self.assertEqual,' tests/Test*
 %postun
 %python_uninstall_alternative pygrun
 
+%pre
+%python_libalternatives_reset_alternative pygrun
+
 %check
 cd %{_builddir}/antlr4-%{version}/runtime/Python3
 %{python_expand #