+
−from django.conf import settings
+
−from django import http
+
−
+
−class XViewMiddleware(object):
+
−    """
+
−    Adds an X-View header to internal HEAD requests -- used by the documentation system.
+
−    """
+
−    def process_view(self, request, view_func, view_args, view_kwargs):
+
−        """
+
−        If the request method is HEAD and either the IP is internal or the
+
−        user is a logged-in staff member, quickly return with an x-header
+
−        indicating the view function.  This is used by the documentation module
+
−        to lookup the view function for an arbitrary page.
+
−        """
+
−        if request.method == 'HEAD' and (request.META.get('REMOTE_ADDR') in settings.INTERNAL_IPS or (request.user.is_authenticated() and request.user.is_staff)):
+
−            response = http.HttpResponse()
+
−            response['X-View'] = "%s.%s" % (view_func.__module__, view_func.__name__)
+
−            return response