Accepting request 919795 from home:schubi2

- Use libalternatives instead of update-alternatives.

OBS-URL: https://build.opensuse.org/request/show/919795
OBS-URL: https://build.opensuse.org/package/show/devel:languages:python/python-Mako?expand=0&rev=78

python-Mako.spec

@@ -16,6 +16,12 @@
 #
 
 
+%if 0%{?suse_version} > 1500
+%bcond_without libalternatives
+%else
+%bcond_with libalternatives
+%endif
+
 %define oldpython python
 %{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-Mako
@@ -35,8 +41,12 @@ BuildRequires:  fdupes
 BuildRequires:  python-rpm-macros
 Requires:       python-MarkupSafe >= 0.9.2
 Requires:       python-setuptools
+%if %{with libalternatives}
+Requires:       alts
+%else
 Requires(post): update-alternatives
 Requires(postun): update-alternatives
+%endif
 BuildArch:      noarch
 %if 0%{?suse_version} >= 1000 || 0%{?fedora_version} >= 24
 Recommends:     python-Beaker >= 1.1
@@ -66,23 +76,46 @@ scoping semantics.
 
 %install
 %python_install
-%python_clone -a %{buildroot}%{_bindir}/mako-render
+%if ! %{with libalternatives}
+  %python_clone -a %{buildroot}%{_bindir}/mako-render
+%else
+  %python_clone %{buildroot}%{_bindir}/mako-render
+  ln -sf %{_bindir}/alts %{buildroot}%{_bindir}/mako-render
+  mkdir -p %{buildroot}%{_datadir}/libalternatives/mako-render
+  %python_expand echo "binary=%{_bindir}/mako-render-%{$python_version}" > %{buildroot}%{_datadir}/libalternatives/mako-render/10%{$python_version_nodots}.conf
+%endif
 %python_expand %fdupes %{buildroot}%{$python_sitelib}
 
 %check
 %pytest
 
+%if %{with libalternatives}
+%pre
+# removing old update-alternatives entries
+if [ "$1" -gt 0 ] && [ -f %{_sbindir}/update-alternatives ] ; then
+  %python_uninstall_alternative mako-render
+fi    
+%else
 %post
 %python_install_alternative mako-render
 
 %postun
 %python_uninstall_alternative mako-render
+%endif
 
 %files %{python_files}
 %license LICENSE
 %doc CHANGES README.rst
 %doc examples
+%if ! 0%{with libalternatives}
 %python_alternative %{_bindir}/mako-render
+%else
+%dir %{_datadir}/libalternatives
+%dir %{_datadir}/libalternatives/mako-render
+%{_datadir}/libalternatives/mako-render/10%python_version_nodots.conf
+%{_bindir}/mako-render
+%{_bindir}/mako-render-%python_version
+%endif
 %{python_sitelib}/mako/
 %{python_sitelib}/Mako-%{version}-py*.egg-info