[1.2.X] Fixed #11990 -- Show the correct URLconf in the technical 404 template even if it was overridden, e.g. in a middleware. Thanks, mattbennett.

Backport from trunk (r14877).

git-svn-id: http://code.djangoproject.com/svn/django/branches/releases/1.2.X@14902 bcc190cf-cafb-0310-a4f2-bffc1f526a37

django/views/debug.py

@@ -2,6 +2,7 @@ import datetime
 import os
 import re
 import sys
+import types
 
 from django.conf import settings
 from django.http import HttpResponse, HttpResponseServerError, HttpResponseNotFound
@@ -275,8 +276,13 @@ def technical_404_response(request, exception):
             # tried exists but is an empty list. The URLconf must've been empty.
             return empty_urlconf(request)
 
+    urlconf = getattr(request, 'urlconf', settings.ROOT_URLCONF)
+    if isinstance(urlconf, types.ModuleType):
+        urlconf = urlconf.__name__
+
     t = Template(TECHNICAL_404_TEMPLATE, name='Technical 404 template')
     c = Context({
+        'urlconf': urlconf,
         'root_urlconf': settings.ROOT_URLCONF,
         'request_path': request.path_info[1:], # Trim leading slash
         'urlpatterns': tried,
@@ -773,7 +779,7 @@ TECHNICAL_404_TEMPLATE = """
   <div id="info">
     {% if urlpatterns %}
       <p>
-      Using the URLconf defined in <code>{{ settings.ROOT_URLCONF }}</code>,
+      Using the URLconf defined in <code>{{ urlconf }}</code>,
       Django tried these URL patterns, in this order:
       </p>
       <ol>