- Process the response callbacks and the NewResponse event earlier, to

  enable mutations to the response to take effect.

1 files changed, 7 insertions, 6 deletions

diff --git a/repoze/bfg/router.py b/repoze/bfg/router.py
index 277ee559b..f976dfea2 100644
--- a/repoze/bfg/router.py
+++ b/repoze/bfg/router.py
@@ -144,6 +144,13 @@ class Router(object):
                 attrs['exception'] = why
                 response = view_callable(why, request)
 
+            # process the response
+
+            if request.response_callbacks:
+                request._process_response_callbacks(response)
+
+            has_listeners and registry.notify(NewResponse(request, response))
+
             try:
                 headers = response.headerlist
                 app_iter = response.app_iter
@@ -153,12 +160,6 @@ class Router(object):
                     'Non-response object returned from view named %s '
                     '(and no renderer): %r' % (view_name, response))
 
-            if request.response_callbacks:
-                request._process_response_callbacks(response)
-
-            # process the response
-            has_listeners and registry.notify(NewResponse(request, response))
-
             start_response(status, headers)
             return app_iter