%__alt_python37 /opt/alt/python37/bin/python3
%alt_python37_sitelib %(%{__alt_python37} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib())")
%alt_python37_sitearch %(%{__alt_python37} -c "from distutils.sysconfig import get_python_lib; print(get_python_lib(1))")
%alt_python37_version %(%{__alt_python37} -c "import sys; sys.stdout.write(sys.version[:3])")
%alt_python37_version_nodots %(%{__alt_python37} -c "import sys; sys.stdout.write(sys.version[:3].replace('.',''))")
%alt_py37dir %{_builddir}/python3-%{name}-%{version}-%{release}