1 from django.conf import settings

     2 from django import http

     3 

     4 class XViewMiddleware(object):

     5     """

     6     Adds an X-View header to internal HEAD requests -- used by the documentation system.

     7     """

     8     def process_view(self, request, view_func, view_args, view_kwargs):

     9         """

    10         If the request method is HEAD and either the IP is internal or the

    11         user is a logged-in staff member, quickly return with an x-header

    12         indicating the view function.  This is used by the documentation module

    13         to lookup the view function for an arbitrary page.

    14         """

    15         if request.method == 'HEAD' and (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS or

    16                                          (request.user.is_active and request.user.is_staff)):

    17             response = http.HttpResponse()

    18             response['X-View'] = "%s.%s" % (view_func.__module__, view_func.__name__)

    19             return response