diff --git a/python-ruamel.base.changes b/python-ruamel.base.changes
index 091bfd0..fe1adc9 100644
--- a/python-ruamel.base.changes
+++ b/python-ruamel.base.changes
@@ -1,3 +1,8 @@
+-------------------------------------------------------------------
+Mon Apr 24 13:16:01 UTC 2017 - aloisio@gmx.com
+
+- Converted to single-spec
+
 -------------------------------------------------------------------
 Tue Oct 11 18:24:27 UTC 2016 - rjschwei@suse.com
 
diff --git a/python-ruamel.base.spec b/python-ruamel.base.spec
index 3ac2233..6aa4f6e 100644
--- a/python-ruamel.base.spec
+++ b/python-ruamel.base.spec
@@ -1,7 +1,7 @@
 #
 # spec file for package python-ruamel.base
 #
-# Copyright (c) 2016 SUSE LINUX GmbH, Nuernberg, Germany.
+# Copyright (c) 2017 SUSE LINUX GmbH, Nuernberg, Germany.
 #
 # All modifications and additions to the file contributed by third parties
 # remain the property of their copyright owners, unless otherwise agreed
@@ -16,20 +16,21 @@
 #
 
 
+%{?!python_module:%define python_module() python-%{**} python3-%{**}}
 Name:           python-ruamel.base
 Version:        1.0.0
 Release:        0
-Url:            https://bitbucket.org/ruamel/base
 Summary:        Shared ruamel routines
 License:        MIT
 Group:          Development/Languages/Python
-Source:         ruamel.base-%{version}.tar.gz
-BuildRequires:  python-setuptools
-%if 0%{?suse_version} && 0%{?suse_version} <= 1110
-%{!?python_sitelib: %global python_sitelib %(python -c "from distutils.sysconfig import get_python_lib; print get_python_lib()")}
-%else
+Url:            https://bitbucket.org/ruamel/base
+Source:         https://files.pythonhosted.org/packages/source/r/ruamel.base/ruamel.base-%{version}.tar.gz
+BuildRequires:  %{python_module setuptools}
+BuildRequires:  fdupes
+BuildRequires:  python-rpm-macros
+BuildRoot:      %{_tmppath}/%{name}-%{version}-build
 BuildArch:      noarch
-%endif
+%python_subpackages
 
 %description
 Shared code for ruamel implementations
@@ -39,12 +40,17 @@ Shared code for ruamel implementations
 rm -rf *.egg-info
 
 %build
-python setup.py build
+%python_build
 
 %install
-python setup.py install --prefix=%{_prefix} --root=%{buildroot} --single-version-externally-managed
+%python_install --single-version-externally-managed
+%python_expand %fdupes -s %{buildroot}%{$python_sitelib}
 
-%files
+%files %{python_files}
 %defattr(-,root,root,-)
 %doc LICENSE README.rst
-%{python_sitelib}/*
+%{python_sitelib}/ruamel
+%{python_sitelib}/ruamel.base-%{version}-py%{python_version}-nspkg.pth
+%{python_sitelib}/ruamel.base-%{version}-py%{python_version}.egg-info
+
+%changelog