!8 delete python2 dependency

From: @weiwei_150212
Reviewed-by: @hanxinke
Signed-off-by: @hanxinke

python-pycparser.spec

@@ -1,7 +1,7 @@
 Name:           python-pycparser
 Summary:        A parser for the C language
 Version:        2.20
-Release:        2
+Release:        3
 License:        BSD
 URL:            http://github.com/eliben/pycparser
 Source0:        http://github.com/eliben/pycparser/archive/release_v%{version}.tar.gz
@@ -13,9 +13,9 @@ Patch1:       pycparser-2.10-ply.patch
 
 BuildArch:      noarch
 
-BuildRequires:  python2-devel python2-setuptools python2-pycparser python-unversioned-command
+BuildRequires:  python3-pycparser python3-unversioned-command
 # for unit tests
-BuildRequires:  dos2unix python2-ply >= 3.6 python3-devel python3-setuptools python3-ply
+BuildRequires:  dos2unix python3-devel python3-setuptools python3-ply
 
 %description
 pycparser is a parser for the C language, written in pure Python.
@@ -29,17 +29,6 @@ Requires:       %{name} = %{version}-%{release}
 %description devel
 This package contains development files for %{name}
 
-%package -n python2-pycparser
-Summary:        A parser for the C language
-Group:          System Environment/Libraries
-Requires:       python2-ply >= 3.6
-%{?python_provide:%python_provide python2-pycparser}
-%description -n python2-pycparser
-pycparser is a parser for the C language, written in pure Python.
-It is a module designed to be easily integrated into applications
-that need to parse C source code.
-This package is for Python2.
-
 %package -n python3-pycparser
 Summary:        A parser for the C language
 Group:          System Environment/Libraries
@@ -55,38 +44,25 @@ This package is for Python3.
 %autosetup -n pycparser-release_v%{version} -p1
 # remove embedded copy of ply
 rm -rf pycparser/ply
-%{__python2} %{SOURCE1} examples
+%{__python3} %{SOURCE1} examples
 dos2unix LICENSE
 
 %build
-%py2_build
-pushd build/lib/pycparser
-%{__python2} _build_tables.py
-popd
-
 %py3_build
 pushd build/lib/pycparser
 %{__python3} _build_tables.py
 popd
 
 %install
-%py2_install
 %py3_install
 
 %check
-%{__python2} tests/all_tests.py
 %{__python3} tests/all_tests.py
 
 %files devel
 %defattr(-,root,root)
 %doc examples
 
-%files -n python2-pycparser
-%defattr(-,root,root)
-%license LICENSE
-%{python_sitelib}/pycparser/
-%{python_sitelib}/pycparser-*.egg-info
-
 %files -n python3-pycparser
 %defattr(-,root,root)
 %license LICENSE
@@ -94,6 +70,9 @@ popd
 %{python3_sitelib}/pycparser-*.egg-info
 
 %changelog
+* Fri Oct 30 2020 tianwei<tianwei12@huawei.com> - 2.20-3
+- remove python2
+
 * Sat Sep 5 2020 shixuantong<shixuantong@huawei.com> - 2.20-2
 - update source0 and change tar package name