fix_new_pip_with_old_django.py

import os

from distutils.sysconfig import get_python_lib
from distutils.dir_util import copy_tree


def resolve_pip_data_files(fix_packages=None):
    """
    See http://stackoverflow.com/questions/20298729/pip-installing-data-files-to-the-wrong-place/20370738#20370738  # noqa
    and http://stackoverflow.com/questions/30980682/djangos-locale-files-installed-in-weird-place  # noqa

    data files need to be merged into proper folders, otherwise you will
    receive weird messages as mentioned in https://code.djangoproject.com/ticket/18192

    see claudep:  I don't think we should do anything here. If Django files
                  are deleted, the user has to bear the consequences, sorry!

    :param fix_packages: list of packages to fix, defaults to Django

    """
    if fix_packages is None:
        fix_packages = ['django', 'django_extensions']

    env_path = os.environ.get('VIRTUAL_ENV', None)
    site_packages = get_python_lib()

    if not env_path:
        return  # not in virtual env

    for package in fix_packages:
        package_data_dir = os.path.join(env_path, package)
        package_dir = os.path.join(site_packages, package)

        if os.path.exists(package_data_dir) and os.path.exists(package_dir):
            copy_tree(package_data_dir, package_dir)

if __name__ == '__main__':
    resolve_pip_data_files()