setup.py

from setuptools import setup
from distutils.command.install_data import install_data
from distutils.command.install import INSTALL_SCHEMES
import os
import sys

class osx_install_data(install_data):
    # On MacOS, the platform-specific lib dir is /System/Library/Framework/Python/.../
    # which is wrong. Python 2.5 supplied with MacOS 10.5 has an Apple-specific fix
    # for this in distutils.command.install_data#306. It fixes install_lib but not
    # install_data, which is why we roll our own install_data class.

    def finalize_options(self):
        # By the time finalize_options is called, install.install_lib is set to the
        # fixed directory, so we set the installdir to install_lib. The
        # install_data class uses ('install_data', 'install_dir') instead.
        self.set_undefined_options('install', ('install_lib', 'install_dir'))
        install_data.finalize_options(self)

if sys.platform == "darwin":
    cmdclasses = {'install_data': osx_install_data}
else:
    cmdclasses = {'install_data': install_data}

def fullsplit(path):
    p = path.split(os.sep)
    if p[0] == '' or ':' in p[0]:
        return p[1:]

    return p

# Tell distutils to put the data_files in platform-specific installation
# locations. See here for an explanation:
# http://groups.google.com/group/comp.lang.python/browse_thread/thread/35ec7b2fed36eaec/2105ee4d9e8042cb
for scheme in INSTALL_SCHEMES.values():
    scheme['data'] = scheme['purelib']

# Compile the list of packages available, because distutils doesn't have
# an easy way to do this.
packages, data_files = [], []
root_dir = os.path.dirname(__file__)
if root_dir != '':
    os.chdir(root_dir)
nav_dir = 'django_nav'

for dirpath, dirnames, filenames in os.walk(nav_dir):
    # Ignore dirnames that start with '.'
    for i, dirname in enumerate(dirnames):
        if dirname.startswith('.'): del dirnames[i]
    if '__init__.py' in filenames:
        packages.append('.'.join(fullsplit(dirpath)))
    elif filenames:
        data_files.append([dirpath, [os.path.join(dirpath, f) for f in filenames]])

# Small hack for working with bdist_wininst.
# See http://mail.python.org/pipermail/distutils-sig/2004-August/004134.html
if len(sys.argv) > 1 and sys.argv[1] == 'bdist_wininst':
    for file_info in data_files:
        file_info[0] = '\\PURELIB\\%s' % file_info[0]

# Dynamically calculate the version based on django.VERSION.
version = __import__('django_nav').get_version()

setup(
    name = "django_nav",
    version = version.replace(' ', '-'),
    url = 'http://code.google.com/p/django-nav/',
    author = 'Dj Gilcrease',
    author_email = 'digitalxero@gmail.com',
    description = 'An extensible, non intrusive, fast system for generation navigation groupings.',
    keywords = 'django, navigation, navtree, nav, menu',
    download_url = 'http://django-nav.googlecode.com/files/',
    packages = packages,
    cmdclass = cmdclasses,
    data_files = data_files,
    classifiers = ['Development Status :: 4 - Beta',
                   'Environment :: Web Environment',
                   'Framework :: Django',
                   'Intended Audience :: Developers',
                   'License :: OSI Approved :: BSD License',
                   'Operating System :: OS Independent',
                   'Programming Language :: Python :: 2',
                   'Topic :: Internet :: WWW/HTTP',
                   'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
                   'Topic :: Software Development :: Libraries :: Python Modules',
                   ],
)