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from distutils.core import setup
from distutils.command.install_data import install_data
from distutils.command.install import INSTALL_SCHEMES
from distutils.sysconfig import get_python_lib
import os
import sys

# Warn if we are installing over top of an existing installation. This can
# cause issues where files that were deleted from a more recent Django are
# still present in site-packages. See #18115.
overlay_warning = False
if "install" in sys.argv:
    # We have to try also with an explicit prefix of /usr/local in order to
    # catch Debian's custom user site-packages directory.
    for lib_path in get_python_lib(), get_python_lib(prefix="/usr/local"):
        existing_path = os.path.abspath(os.path.join(lib_path, "django"))
        if os.path.exists(existing_path):
            # We note the need for the warning here, but present it after the
            # command is run, so it's more likely to be seen.
            overlay_warning = True
            break

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, result=None):
    """
Split a pathname into components (the opposite of os.path.join) in a
platform-neutral way.
"""
    if result is None:
        result = []
    head, tail = os.path.split(path)
    if head == '':
        return [tail] + result
    if head == path:
        return result
    return fullsplit(head, [tail] + result)

# Tell distutils not 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)
django_dir = 'django'

for dirpath, dirnames, filenames in os.walk(django_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').get_version()

setup(
    name = "Django",
    version = version,
    url = 'http://www.djangoproject.com/',
    author = 'Django Software Foundation',
    author_email = 'foundation@djangoproject.com',
    description = 'A high-level Python Web framework that encourages rapid development and clean, pragmatic design.',
    download_url = 'https://www.djangoproject.com/m/releases/1.4/Django-1.4.tar.gz',
    packages = packages,
    cmdclass = cmdclasses,
    data_files = data_files,
    scripts = ['django/bin/django-admin.py'],
    classifiers = [
        'Development Status :: 5 - Production/Stable',
        'Environment :: Web Environment',
        'Framework :: Django',
        'Intended Audience :: Developers',
        'License :: OSI Approved :: BSD License',
        'Operating System :: OS Independent',
        'Programming Language :: Python',
        'Programming Language :: Python :: 2.6',
        'Programming Language :: Python :: 2.7',
        'Topic :: Internet :: WWW/HTTP',
        'Topic :: Internet :: WWW/HTTP :: Dynamic Content',
        'Topic :: Internet :: WWW/HTTP :: WSGI',
        'Topic :: Software Development :: Libraries :: Application Frameworks',
        'Topic :: Software Development :: Libraries :: Python Modules',
   ],
)

if overlay_warning:
    sys.stderr.write("""

========
WARNING!
========

You have just installed Django over top of an existing
installation, without removing it first. Because of this,
your install may now include extraneous files from a
previous version that have since been removed from
Django. This is known to cause a variety of problems. You
should manually remove the

%(existing_path)s

directory and re-install Django.

""" % { "existing_path": existing_path })
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