Convert setup.py to use setuptools

setup.py

 #!/usr/bin/env python
 
 # Copyright (c) 2009 Google Inc. All rights reserved.
 # Use of this source code is governed by a BSD-style license that can be
 # found in the LICENSE file.
 
-from distutils.core import setup
-from distutils.command.install import install
-from distutils.command.install_lib import install_lib
-from distutils.command.install_scripts import install_scripts
+from ez_setup import use_setuptools
+use_setuptools()
+from setuptools import setup
 
 setup(
   name='gyp',
   version='0.1',
   description='Generate Your Projects',
   author='Chromium Authors',
   author_email='chromium-dev@googlegroups.com',
   url='http://code.google.com/p/gyp',
   package_dir = {'': 'pylib'},
   packages=['gyp', 'gyp.generator'],
-
-  scripts = ['gyp'],
-  cmdclass = {'install': install,
-              'install_lib': install_lib,
-              'install_scripts': install_scripts},
+  entry_points = {'console_scripts': ['gyp=gyp:script_main'] }
 )