Ticket #7269: debug.py.4.diff

django/views/debug.py

@@ -251 +251 @@
             # tried exists but is an empty list. The URLconf must've been empty.
             return empty_urlconf(request)
 
+    # make a URL that might be useful to the developer
+    # remove whitespace and typical regex 
+    urlpatterns = [(t,t.strip('^$').replace(' ','')) for t in tried] 
+
     t = Template(TECHNICAL_404_TEMPLATE, name='Technical 404 template')
     c = Context({
         'root_urlconf': settings.ROOT_URLCONF,
         'request_path': request.path_info[1:], # Trim leading slash
-        'urlpatterns': tried,
+        'urlpatterns': urlpatterns,
         'reason': smart_str(exception, errors='replace'),
         'request': request,
         'request_protocol': request.is_secure() and "https" or "http",
@@ -728 +732 @@
       Django tried these URL patterns, in this order:
       </p>
       <ol>
-        {% for pattern in urlpatterns %}
-          <li>{{ pattern }}</li>
+        {% for pattern,guess in urlpatterns %}
+            <li><a href="/{{ guess }}">{{ pattern }}</a</li>
         {% endfor %}
       </ol>
       <p>The current URL, <code>{{ request_path|escape }}</code>, didn't match any of these.</p>
@@ -742 +746 @@
     <p>
       You're seeing this error because you have <code>DEBUG = True</code> in
       your Django settings file. Change that to <code>False</code>, and Django
-      will display a standard 404 page.
+      will display your custom 404 page.
     </p>
+    <br>
+    <p>
+      Note: The above links are formed using .strip('^$').replace(' ','') 
+      which does not always result in a usable link. 
+      When it does, it is handy.  
+      <!-- With enough work it might be posible to craft valid URLs.
+      feel free to do the work and submit it. -->
+    </p>
+
   </div>
 </body>
 </html>