python: get exception page on template bug

1 files changed, 4 insertions, 1 deletions

diff --git a/tmpl.py b/tmpl.py
index 6551728..9748f2a 100644
--- a/tmpl.py
+++ b/tmpl.py
@@ -40,7 +40,10 @@ def expose(filename, method='html', encoding='utf-8', **options):
 				stream = exc(e)
 			if not isinstance(stream, Stream):
 				return stream
-			return encode(serializer(stream), method = serializer, encoding = encoding)
+			try:
+				return encode(serializer(stream), method = serializer, encoding = encoding)
+			except Exception, e:
+				return encode(serializer(exc(e)), method = serializer, encoding = encoding)
 		return wrapper
 	return decorate