!2 Add spec and source packages

From: @zhangy1317
Reviewed-by: @shinwell_hu
Signed-off-by: @shinwell_hu

python-prometheus-client.spec

@@ -0,0 +1,73 @@
+%global _empty_manifest_terminate_build 0
+Name:		python-prometheus-client
+Version:	0.9.0
+Release:	1
+Summary:	Python client for the Prometheus monitoring system.
+License:	Apache-2.0
+URL:		https://github.com/prometheus/client_python
+Source0:	https://files.pythonhosted.org/packages/18/9a/958cc52225370c9c7f66f4cea04250923db683d70fb2f45ba6f5f96169be/prometheus_client-0.9.0.tar.gz
+BuildArch:	noarch
+%description
+Python client for the Prometheus monitoring system.
+
+
+%package -n python3-prometheus-client
+Summary:	Python client for the Prometheus monitoring system.
+Provides:	python-prometheus-client
+BuildRequires:	python3-devel
+BuildRequires:	python3-setuptools
+Requires:	python3-twisted
+%description -n python3-prometheus-client
+Python client for the Prometheus monitoring system.
+
+
+%package help
+Summary:	Development documents and examples for prometheus-client
+Provides:	python3-prometheus-client-doc
+%description help
+Python client for the Prometheus monitoring system.
+
+
+%prep
+%autosetup -n prometheus_client-0.9.0
+
+%build
+%py3_build
+
+%install
+%py3_install
+install -d -m755 %{buildroot}/%{_pkgdocdir}
+if [ -d doc ]; then cp -arf doc %{buildroot}/%{_pkgdocdir}; fi
+if [ -d docs ]; then cp -arf docs %{buildroot}/%{_pkgdocdir}; fi
+if [ -d example ]; then cp -arf example %{buildroot}/%{_pkgdocdir}; fi
+if [ -d examples ]; then cp -arf examples %{buildroot}/%{_pkgdocdir}; fi
+pushd %{buildroot}
+if [ -d usr/lib ]; then
+	find usr/lib -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+if [ -d usr/lib64 ]; then
+	find usr/lib64 -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+if [ -d usr/bin ]; then
+	find usr/bin -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+if [ -d usr/sbin ]; then
+	find usr/sbin -type f -printf "/%h/%f\n" >> filelist.lst
+fi
+touch doclist.lst
+if [ -d usr/share/man ]; then
+	find usr/share/man -type f -printf "/%h/%f.gz\n" >> doclist.lst
+fi
+popd
+mv %{buildroot}/filelist.lst .
+mv %{buildroot}/doclist.lst .
+
+%files -n python3-prometheus-client -f filelist.lst
+%dir %{python3_sitelib}/*
+
+%files help -f doclist.lst
+%{_docdir}/*
+
+%changelog
+* Fri Jul 09 2021 openstack-sig <openstack@openeuler.org>
+- Package Spec generated