From a77ee9cee43ec01f43bebc71ad64702fa110b475 Mon Sep 17 00:00:00 2001
From: Jacob Kaplan-Moss
Date: Mon, 15 Sep 2008 17:43:10 +0100
Subject: Added a mechanism for monkeypatching in debug views, and also added
 jquery as both a test case and a place to get started making some js
 improvements.

I'm not totally thrilled with this approach -- it feels *very* hackish. The alternative might be to simply require installers to add a line to their ROOT_URLCONF, which wouldn't be *bad*, but I like the "load automatically" part of this thing.
---
 debug_toolbar/middleware.py | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

(limited to 'debug_toolbar/middleware.py')

diff --git a/debug_toolbar/middleware.py b/debug_toolbar/middleware.py
index ee00448..a7e5655 100644
--- a/debug_toolbar/middleware.py
+++ b/debug_toolbar/middleware.py
@@ -4,6 +4,8 @@ Debug Toolbar middleware
 import re
 from django.conf import settings
 from django.utils.encoding import smart_str
+from django.conf.urls.defaults import include, patterns
+import debug_toolbar.urls
 from debug_toolbar.toolbar.loader import DebugToolbar
 
 _HTML_TYPES = ('text/html', 'application/xhtml+xml')
@@ -31,6 +33,18 @@ class DebugToolbarMiddleware(object):
         if self.show_toolbar(request):
             self.debug_toolbar = DebugToolbar(request)
             self.debug_toolbar.load_panels()
+            
+            # Monkeypatch in the URLpatterns for the debug toolbar. The last item
+            # in the URLpatterns needs to be ```('', include(ROOT_URLCONF))``` so
+            # that the existing URLs load *after* the ones we patch in. However,
+            # this is difficult to get right: a previous middleware might have
+            # changed request.urlconf, so we need to pick that up instead.
+            original_urlconf = getattr(request, 'urlconf', settings.ROOT_URLCONF)
+            debug_toolbar.urls.urlpatterns += patterns('',
+                ('', include(original_urlconf)),
+            )
+            request.urlconf = 'debug_toolbar.urls'
+            
         return None
 
     def process_response(self, request, response):
-- 
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