Ticket #4903: debug_py_cgitb_fallback.diff

django/views/debug.py

@@ -87 +87 @@
                 'loader': loader.__module__ + '.' + loader.__name__,
                 'templates': template_list,
             })
+    tborig=tb
     if settings.TEMPLATE_DEBUG and hasattr(exc_value, 'source'):
         exc_type, exc_value, tb, template_info = get_template_exception_info(exc_type, exc_value, tb)
     frames = []
@@ -138 +139 @@
         'template_does_not_exist': template_does_not_exist,
         'loader_debug_info': loader_debug_info,
     })
-    return HttpResponseServerError(t.render(c), mimetype='text/html')
+    try:
+        return HttpResponseServerError(t.render(c), mimetype='text/html')
+    except:
+        response=HttpResponseServerError(mimetype='text/html')
+        import cgitb
+        cgitb.Hook(file=response).handle((exc_type, exc_value, tborig))
+        return response
 
 def technical_404_response(request, exception):
     "Create a technical 404 error response. The exception should be the Http404."