Behavior Changes

----------------

- The ``repoze.bfg.view.render_view_to_response`` API will no longer
  raise a ValueError if an object returned by a view function it calls
  does not possess certain attributes (``headerlist``, ``app_iter``,
  ``status``).  This API used to attempt to perform a check using the
  ``is_response`` function in ``repoze.bfg.view``, and raised a
  ``ValueError`` if the ``is_response`` check failed.  The
  responsibility is now the caller's to ensure that the return value
  from a view function is a "real" response.

- WSGI environ dicts passed to ``repoze.bfg`` 's Router must now
  contain a REQUEST_METHOD key/value; if they do not, a KeyError will
  be raised (speed).  

Implementation Changes
----------------------

- Various speed micro-tweaks.

1 files changed, 5 insertions, 1 deletions

diff --git a/repoze/bfg/traversal.py b/repoze/bfg/traversal.py
index 4c1cb0eb3..95a0e88e7 100644
--- a/repoze/bfg/traversal.py
+++ b/repoze/bfg/traversal.py
@@ -131,8 +131,12 @@ class ModelGraphTraverser(object):
         self.root = root
         self.locatable = ILocation.providedBy(root)
 
+ #61089 function calls (61086 primitive calls) in 0.191 CPU seconds
     def __call__(self, environ, _marker=_marker):
-        path = environ.get('PATH_INFO', '/')
+        try:
+            path = environ['PATH_INFO']
+        except KeyError:
+            path = '/'
         path = list(split_path(path))
         locatable = self.locatable
         step = self._step