Conditionalize the Python 2 subpackage

This makes it possible to build without python2 support
by passing "--without python2" to rpmbuild

python-mako.spec

@@ -2,6 +2,12 @@
 %global with_python3 1
 %endif
 
+%if 0%{?rhel} > 7
+%bcond_with python2
+%else
+%bcond_without python2
+%endif
+
 %global upname Mako
 
 Name: python-mako
@@ -17,6 +23,7 @@ Summary: Mako template library for Python
 URL: http://www.makotemplates.org/
 Source0: https://bitbucket.org/zzzeek/mako/get/rel_%(echo %{version} | sed "s/\./_/g").tar.bz2
 
+%if %{with python2}
 BuildRequires: python2-devel
 BuildRequires: python2-pytest
 BuildRequires: python2-setuptools
@@ -24,6 +31,7 @@ BuildRequires: python2-markupsafe
 BuildRequires: python2-beaker
 BuildRequires: python2-nose
 BuildRequires: python2-mock
+%endif #{with python2}
 
 %if 0%{?with_python3}
 BuildRequires: python3-devel
@@ -47,6 +55,7 @@ calling and scoping semantics.
 
 %description %_description
 
+%if %{with python2}
 %package -n python2-mako
 Summary: %summary
 Requires: python2-markupsafe
@@ -57,6 +66,7 @@ Recommends: python2-beaker
 %{?python_provide:%python_provide python2-mako}
 
 %description -n python2-mako %_description
+%endif #{with python2}
 
 %package doc
 Summary: Documentation for the Mako template library for Python
@@ -88,6 +98,10 @@ Recommends: python3-beaker
 
 %{?python_provide:%python_provide python3-mako}
 
+%if %{without python2}
+Obsoletes: python2-mako < %{version}-%{release}
+%endif
+
 %description -n python3-mako
 Mako is a template library written in Python. It provides a familiar, non-XML
 syntax which compiles into Python modules for maximum performance. Mako's
@@ -110,7 +124,9 @@ cp -a . %{py3dir}
 %endif # with_python3
 
 %build
+%if %{with python2}
 %{__python} setup.py build
+%endif %{with python2}
 
 %if 0%{?with_python3}
 pushd %{py3dir}
@@ -125,17 +141,23 @@ rm -rf %{buildroot}
 %if 0%{?with_python3}
 pushd %{py3dir}
 %{__python3} setup.py install --skip-build --root %{buildroot}
+%if %{with python2}
 mv %{buildroot}/%{_bindir}/mako-render %{buildroot}/%{_bindir}/python3-mako-render
+%endif
 popd
 %endif # with_python3
 
+%if %{with python2}
 %{__python} setup.py install --skip-build --root %{buildroot}
+%endif #{with python2}
 
 # These are supporting files for building the docs.  No need to ship
 rm -rf doc/build
 
 %check
+%if %{with python2}
 python2 setup.py test
+%endif #{with python2}
 
 %if 0%{?with_python3}
 pushd %{py3dir}
@@ -143,20 +165,25 @@ python3 setup.py test
 popd
 %endif
 
-
+%if %{with python2}
 %files -n python2-mako
 %defattr(-,root,root,-)
 %license LICENSE
 %doc CHANGES README.rst examples
 %{_bindir}/mako-render
 %{python_sitelib}/*
+%endif %{with python2}
 
 %if 0%{?with_python3}
 %files -n python3-mako
 %defattr(-,root,root,-)
 %license LICENSE
 %doc CHANGES README.rst examples
+%if %{with python2}
 %{_bindir}/python3-mako-render
+%else
+%{_bindir}/mako-render
+%endif
 %{python3_sitelib}/*
 %endif
 
@@ -168,6 +195,7 @@ popd
 * Wed Mar 28 2018 Petr Viktorin <pviktori@redhat.com> - 1.0.6-9
 - Make python-beaker an optional dependency
 - Add missing python_provide for python3-mako
+- Conditionalize the Python 2 subpackage
 
 * Mon Feb 12 2018 Iryna Shcherbina <ishcherb@redhat.com> - 1.0.6-8
 - Update Python 2 dependency declarations to new packaging standards