setup.py

#!/usr/bin/env python
import sys, os
from distutils.core import setup
from distutils.command.install_data import install_data

class install_sitepackages(install_data):
    def finalize_options(self):
        self.warn_dir = 0
        self.install_dir = self.get_finalized_command('install').install_lib
        install_data.finalize_options(self)

setup(name='pypissh',
      version='1.4',
      description='PyPI SSH Access',
      long_description=open("README").read(),
      author='Martin v. Loewis',
      author_email='martin@v.loewis.de',
      url='http://pypi.python.org/pypi/pypissh',
      py_modules=['pypissh'],
      data_files=['pypissh.pth'],
      cmdclass = {'install_data':install_sitepackages},
     )