Modernize the specfile

- Remove code for old unsupported EL/Fedora versions
- Use standard macros for calling Python's setup.py
- Remove BuildRoot declaration

python-urwid.spec

@@ -2,11 +2,6 @@
 %global with_python3 1
 %endif
 
-%if ! (0%{?fedora} > 12 || 0%{?rhel} > 5)
-%{!?python_sitelib: %global python_sitelib %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")}
-%{!?python_sitearch: %global python_sitearch %(%{__python} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")}
-%endif
-
 Name:          python-urwid
 Version:       1.3.0
 Release:       11%{?dist}
@@ -23,12 +18,11 @@ Source0:       http://excess.org/urwid/urwid-%{version}.tar.gz
 Patch0:        py2-skip-tests-interrupted-syscall.patch
 
 
-BuildRoot:     %{_tmppath}/%{name}-%{version}-%{release}-root-%(id -u -n)
 BuildRequires: python2-devel
-BuildRequires: python-setuptools
-BuildRequires: python-twisted-core
+BuildRequires: python2-setuptools
+BuildRequires: python2-twisted
 BuildRequires: pygobject2
-BuildRequires: python-test
+BuildRequires: python2-test
 # needed by selftest suite for test.support
 
 %if 0%{?with_python3}
@@ -83,11 +77,11 @@ cp -a . %{py3dir}
 %endif # with_python3
 
 %build
-CFLAGS="%{optflags}" %{__python} setup.py build
+%py2_build
 
 %if 0%{?with_python3}
 pushd %{py3dir}
-%{__python3} setup.py build
+%py3_build
 popd
 %endif # with_python3
 
@@ -98,14 +92,14 @@ rm -rf %{buildroot}
 
 %if 0%{?with_python3}
 pushd %{py3dir}
-%{__python3} setup.py install --skip-build --root %{buildroot}
+%py3_install
 popd
 %endif # with_python3
 
-%{__python} setup.py install --skip-build --no-compile --root %{buildroot}
+%py2_install
 
 %check
-python setup.py test
+%{__python2} setup.py test
 
 %if 0%{?with_python3}
 pushd %{py3dir}