!1 Add package and spec file for oslo.concurrency building

From: @joec88
Reviewed-by: @yaqiangchen,@liksh
Signed-off-by: @liksh

python-oslo-concurrency.spec

@@ -0,0 +1,75 @@
+%global _empty_manifest_terminate_build 0
+Name:		python-oslo-concurrency
+Version:	4.3.1
+Release:	1
+Summary:	Oslo Concurrency library
+License:	Apache Software License
+URL:		https://docs.openstack.org/oslo.concurrency/latest/
+Source0:	https://files.pythonhosted.org/packages/65/d9/2c03946a497124d29d4ea75f8395a0eee577ac01533acbfe16823546de70/oslo.concurrency-4.3.1.tar.gz
+BuildArch:	noarch
+
+Requires:	python3-fasteners
+Requires:	python3-pbr
+
+%description
+OpenStack library for all concurrency-related code
+
+%package -n python3-oslo-concurrency
+Summary:	Oslo Concurrency library
+Provides:	python-oslo-concurrency
+BuildRequires:	python3-devel
+BuildRequires:	python3-setuptools
+%description -n python3-oslo-concurrency
+OpenStack library for all concurrency-related code
+
+
+%package help
+Summary:	Development documents and examples for oslo.concurrency
+Provides:	python3-oslo-concurrency-doc
+%description help
+OpenStack library for all concurrency-related code
+
+
+%prep
+%autosetup -n oslo.concurrency-4.3.1
+
+%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-oslo-concurrency -f filelist.lst
+%dir %{python3_sitelib}/*
+
+%files help -f doclist.lst
+%{_docdir}/*
+
+%changelog
+* Sat Nov 21 2020 Python_Bot <Python_Bot@openeuler.org>
+- Package Spec generated