setup.py

#!/usr/bin/env python

from distribute_setup import use_setuptools
use_setuptools()

PROJECT = 'pywin'
AUTHOR = 'David Marble'
EMAIL = 'davidmarble@gmail.com'
DESCRIPTION = ('Lightweight python 2.5-3.3 launcher and switcher for Windows command line and MSYS/MINGW32. Partly PEP 397 compliant.')
VERSION = '0.3.1'
PROJECT_URL = 'https://github.com/davidmarble/%s/' % (PROJECT)

import os
import sys
import shutil
from setuptools import setup

long_description = ''
try:
    with open('README.rst', 'rt') as f:
        long_description = f.read()
except IOError:
    pass

PYTHONHOME = sys.exec_prefix

def _easy_install_marker():
    return (len(sys.argv) == 5 and sys.argv[2] == 'bdist_egg' and
            sys.argv[3] == '--dist-dir' and 'egg-dist-tmp-' in sys.argv[-1])

def _being_installed():
    if "--help" in sys.argv[1:] or "-h" in sys.argv[1:]:
        return False
    return 'install' in sys.argv[1:] or _easy_install_marker()

scripts_loc = 'scripts/'
scripts = [
    'pyassoc.bat',
    'pywin',
    'pywin.bat',
]

if _being_installed():
    # pre-install
    pass

setup(
    name=PROJECT,
    version=VERSION,

    description=DESCRIPTION,
    long_description=long_description,

    author=AUTHOR,
    author_email=EMAIL,
    url=PROJECT_URL,
    license="BSD 3-clause",
    keywords="python windows version switcher launcher",

    platforms=['WIN32', 'WIN64',],
    
    classifiers=[
        'Development Status :: 4 - Beta',
        'Environment :: Win32 (MS Windows)',
        'License :: OSI Approved :: BSD License',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2',
        'Programming Language :: Python :: 2.4',
        'Programming Language :: Python :: 2.5',
        'Programming Language :: Python :: 2.6',
        'Programming Language :: Python :: 2.7',
        'Programming Language :: Python :: 3',
        'Programming Language :: Python :: 3.0',
        'Programming Language :: Python :: 3.1',
        'Programming Language :: Python :: 3.2',
        'Programming Language :: Python :: 3.3',
        'Intended Audience :: Developers',
        'Environment :: Console', ],

    scripts=[scripts_loc + script for script in scripts],

    zip_safe=False,
    )

if _being_installed():
    # post-install
    # Move scripts to PYTHONHOME
    for script in scripts:
        src = os.path.join(PYTHONHOME, 'Scripts', script)
        dst = os.path.join(PYTHONHOME, script)
        # try:
        #     os.remove(dst)
        # except:
        #     pass
        shutil.move(src, dst)