- Show the derived abspath of template resource specifications in the

  traceback when a renderer template cannot be found.

- Show the original traceback when a Chameleon template cannot be
  rendered due to a platform incompatibility.

1 files changed, 5 insertions, 2 deletions

diff --git a/repoze/bfg/chameleon_text.py b/repoze/bfg/chameleon_text.py
index 85f0126b3..f1dc8e3aa 100644
--- a/repoze/bfg/chameleon_text.py
+++ b/repoze/bfg/chameleon_text.py
@@ -1,14 +1,17 @@
+import sys
+
 from webob import Response
 
 from zope.interface import implements
 
 try:
     from chameleon.core.template import TemplateFile
-except ImportError, why: # pragma: no cover
+except ImportError: # pragma: no cover
+    exc_class, exc, tb = sys.exc_info()
     # Chameleon doesn't work on non-CPython platforms
     class TemplateFile(object):
         def __init__(self, *arg, **kw):
-            raise ImportError(why[0])
+            raise ImportError, exc, tb
 
 try:
     from chameleon.zpt.language import Parser