!1 Add spec and source packages

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

python-arrow.spec

@@ -0,0 +1,80 @@
+%global _empty_manifest_terminate_build 0
+Name:           python-arrow
+Version:        1.0.3
+Release:        1
+Summary:        Better dates & times for Python
+License:        Apache-2.0
+URL:            https://arrow.readthedocs.io
+Source0:        https://files.pythonhosted.org/packages/f6/72/e8c899f0eef9c0131ffdb1bc25d79ff65c60411f831ab17d29e3809f5812/arrow-1.0.3.tar.gz
+BuildArch:      noarch
+%description
+Arrow: Better dates & times for Python.
+
+%package -n python3-arrow
+Summary:        Better dates & times for Python
+Provides:       python-arrow
+# Base build requires
+BuildRequires:  python3-devel
+BuildRequires:  python3-setuptools
+BuildRequires:  python3-pbr
+BuildRequires:  python3-pip
+BuildRequires:  python3-wheel
+# General requires
+BuildRequires:  python3-dateutil
+# General requires
+Requires:       python3-dateutil
+%description -n python3-arrow
+Arrow: Better dates & times for Python.
+
+%package help
+Summary:        Better dates & times for Python
+Provides:       python3-arrow-doc
+%description help
+Arrow: Better dates & times for Python.
+
+%prep
+%autosetup -n arrow-1.0.3
+
+%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-arrow -f filelist.lst
+%dir %{python3_sitelib}/*
+
+
+%files help -f doclist.lst
+%{_docdir}/*
+
+%changelog
+* Thu Jul 29 2021 OpenStack_SIG <openstack@openeuler.org> - 1.0.3-1
+- Package Spec generate