'protocol': e.get('wsgi.url_scheme'),

            'host': e.get('HTTP_HOST'), }

        if resp:

            c.error_message = cgi.escape(request.GET.get('code',

                                                         str(resp.status)))

            c.error_explanation = self.get_error_explanation(resp.status_int)

        return render('/errors/error_document.html')

    def img(self, id):

        """Serve Pylons' stock images"""

        return self._serve_file(os.path.join(media_path, 'img', id))