Added an additional check for the availability of the STATIC_* settings to...

from urlparse import urlparse

from django.conf import settings

from django.core.exceptions import ImproperlyConfigured

from django.core.handlers.wsgi import WSGIHandler

from django.contrib.staticfiles import utils

        return settings.STATIC_ROOT

    def get_base_url(self):

        if not settings.STATIC_URL:

            raise ImproperlyConfigured("You're using the staticfiles app "

                "without having set the STATIC_URL setting. Set it to "

                "URL that handles the files served from STATIC_ROOT.")

        if settings.DEBUG:

            utils.check_settings()

        return settings.STATIC_URL

    def file_path(self, url):

        """

        Returns the relative path to the media file on disk for the given URL.

        The passed URL is assumed to begin with ``base_url``.  If the

        resultant file path is outside the media directory, then a ValueError

        is raised.

        """

        relative_url = url[len(self.base_url[2]):]

        return urllib.url2pathname(relative_url)