!4 switch python2 to python3

From: @eaglegai
Reviewed-by: @zengwefeng
Signed-off-by: @zengwefeng

libdnet.spec

@@ -1,6 +1,6 @@
 Name:		libdnet
 Version:	1.12
-Release:	29
+Release:	30
 Summary:        Simple portable interface work with low-level networking routines
 
 License:	BSD
@@ -9,8 +9,8 @@ Source:   	http://src.fedoraproject.org/repo/pkgs/libdnet/libdnet-1.12.tgz/9253e
 
 Patch0:		%{name}-shrext.patch
 Patch1:		dnet-config-multilib.patch
-Patch9000:      add-sorted-function-remove-differences.patch
-
+Patch2: 	add-sorted-function-remove-differences.patch
+Patch3: 	remove-python2-support-and-add-python3-support.patch
 BuildRequires:	gcc-c++ 
 
 %description
@@ -34,16 +34,16 @@ Requires:	%{name} = %{version}-%{release}
 %description 	progs
 %{name}-progs contains sample applications that want to make use of %{name}
 
-%package -n python2-%{name}
-%{?python_provide:%python_provide python2-%{name}}
+%package -n python3-%{name}
+%{?python_provide:%python_provide python3-%{name}}
 Provides:	%{name}-python = %{version}-%{release}
 Obsoletes:	%{name}-python 
 Summary:	Python bindings for %{name}
 Requires:	%{name} = %{version}-%{release}
-BuildRequires:	python2-devel
+BuildRequires:	python3-devel
 
-%description -n python2-%{name}
-Python2 package for python-%{name}
+%description -n python3-%{name}
+Python3 package for python-%{name}
 
 %package_help
 
@@ -58,14 +58,14 @@ export CFLAGS="$RPM_OPT_FLAGS -fno-strict-aliasing"
 %make_build
 
 pushd python
-%{__python2} setup.py build
+%{__python3} setup.py build
 popd
 
 %install
 %{__make} install DESTDIR=%{buildroot}
 
 pushd python
-%{__python2} setup.py install --skip-build --root %{buildroot}
+%{__python3} setup.py install --skip-build --root %{buildroot}
 popd
 
 %delete_la
@@ -89,9 +89,9 @@ popd
 %defattr(-,root,root)
 %{_sbindir}/*
 
-%files -n python2-%{name}
+%files -n python3-%{name}
 %defattr(-,root,root)
-%{python2_sitearch}/*
+%{python3_sitearch}/*
 
 %files help
 %defattr(-,root,root)
@@ -100,6 +100,12 @@ popd
 %{_mandir}/man8/*.8*
 
 %changelog
+* Thu Oct 29 2020 gaihuiying <gaihuiying1@huawei.com> - 1.12 - 30
+- Type:rquirement
+- ID:NA
+- SUG:NA
+- DESC:remove python2, and switch to python3
+
 * Fri Sep 11 2020 lunankun <lunankun@huawei.com> - 1.12 - 29
 - Type:bugfix
 - ID:NA