+
−"""
+
−Pages in Django can are served up with custom HTTP headers containing useful
+
−information about those pages -- namely, the content type and object ID.
+
−
+
−This module contains utility functions for retrieving and doing interesting
+
−things with these special "X-Headers" (so called because the HTTP spec demands
+
−that custom headers are prefixed with "X-").
+
−
+
−Next time you're at slashdot.org, watch out for X-Fry and X-Bender. :)
+
−"""
+
−
+
−def populate_xheaders(request, response, model, object_id):
+
−    """
+
−    Adds the "X-Object-Type" and "X-Object-Id" headers to the given
+
−    HttpResponse according to the given model and object_id -- but only if the
+
−    given HttpRequest object has an IP address within the INTERNAL_IPS setting
+
−    or if the request is from a logged in staff member.
+
−    """
+
−    from django.conf import settings
+
−    if (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS
+
−            or (hasattr(request, 'user') and request.user.is_authenticated()
+
−                and request.user.is_staff)):
+
−        response['X-Object-Type'] = "%s.%s" % (model._meta.app_label, model._meta.object_name.lower())
+
−        response['X-Object-Id'] = str(object_id)