update spec file with python3 conditionals making ease to maintain fedora/epel with only one spec file

python-pyrfc3339.spec

@@ -1,8 +1,14 @@
 %global srcname pyRFC3339
+%if 0%{?fedora}
+%bcond_without python3
+%else
+%bcond_with python3
+%endif
+
 
 Name:           python-pyrfc3339
 Version:        1.0
-Release:        1%{?dist}
+Release:        2%{?dist}
 Summary:        Generate and parse RFC 3339 timestamps
 
 License:        MIT
@@ -15,10 +21,12 @@ BuildRequires:  python2-devel
 BuildRequires:  python-nose
 BuildRequires:  pytz
 
+%if %{with python3}
 BuildRequires:  python3-devel
 # --- unit tests ---
 BuildRequires:  python3-nose
 BuildRequires:  python3-pytz
+%endif
 
 %description
 This package contains a python library to parse and generate
@@ -32,6 +40,7 @@ Summary:        %{summary}
 This package contains a Python 2 library to parse and generate
 RFC 3339-compliant timestamps using Python datetime.datetime objects.
 
+%if %{with python3}
 %package     -n python3-pyrfc3339
 Summary:        Generate and parse RFC 3339 timestamps
 %{?python_provide:%python_provide python3-pyrfc3339}
@@ -39,6 +48,7 @@ Summary:        Generate and parse RFC 3339 timestamps
 %description -n python3-pyrfc3339
 This package contains a Python 3 library to parse and generate
 RFC 3339-compliant timestamps using Python datetime.datetime objects.
+%endif
 
 
 
@@ -47,15 +57,21 @@ RFC 3339-compliant timestamps using Python datetime.datetime objects.
 
 %build
 %py2_build
+%if %{with python3}
 %py3_build
+%endif
 
 %install
 %py2_install
+%if %{with python3}
 %py3_install
+%endif
 
 %check
 %{__python2} setup.py test
+%if %{with python3}
 %{__python3} setup.py test
+%endif
 
 
 %files -n python2-pyrfc3339
@@ -64,14 +80,19 @@ RFC 3339-compliant timestamps using Python datetime.datetime objects.
 %{python2_sitelib}/pyrfc3339
 %{python2_sitelib}/%{srcname}-%{version}-*.egg-info
 
+%if %{with python3}
 %files -n python3-pyrfc3339
 %doc README.rst
 %license LICENSE.txt 
 %{python3_sitelib}/pyrfc3339
 %{python3_sitelib}/%{srcname}-%{version}-*.egg-info
+%endif
 
 
 %changelog
+* Thu Dec 03 2015 Robert Buchholz <rbu@goodpoint.de> - 1.0-2
+- epel7: Only build python2 package
+
 * Tue Nov 10 2015 James Hogarth <james.hogarth@gmail.com>    - 1.0-1
 - Add installed tests back as per review
 - Update to new 1.0 PyPi release