flip_home_site_packages.py

# -*- coding: utf-8 -*-
"""\
Symbolically links a virtualenv's site-packages to
the globaly Python's user site-packages directory.

This should be run with the global Python.

"""
import os
import site
import argparse


def main(argv=None):
    """Main process"""
    parser = argparse.ArgumentParser(description=__doc__)
    parser.add_argument('location', help="location of the virtualenv")

    args = parser.parse_args(argv)

    location = os.path.abspath(args.location)
    # FIXME hard coded version.
    location = os.path.join(location, 'lib/python2.7/site-packages')

    site_packages = site.getusersitepackages()

    os.unlink(site_packages)
    os.symlink(location, site_packages)

    return 0


if __name__ == '__main__':
    main()