# HG changeset patch
# User k0s <k0scist@gmail.com>
# Date 1258753377 18000
# Node ID 4a9ceda73d92d7bcc5d64c3e1b57e6f810cf539d
# Parent  15cc68a342b003a1dd2fae69b4de7bf15c312fef
check for data before writing to it

diff -r 15cc68a342b0 -r 4a9ceda73d92 genshi_view/template/+package+/dispatcher.py
--- a/genshi_view/template/+package+/dispatcher.py	Fri Nov 20 16:33:10 2009 -0500
+++ b/genshi_view/template/+package+/dispatcher.py	Fri Nov 20 16:42:57 2009 -0500
@@ -53,10 +53,11 @@
             handler = exc.HTTPNotFound
 
         # add navigation links to handler [example]
-        handler.data.setdefault('links', [])
-        for h in self.handlers:
-            handler.data['links'].append((handler.link(h.handler_path), 
-                                          h.__name__))
+        if hasattr(handler, 'data'):
+            handler.data.setdefault('links', [])
+            for h in self.handlers:
+                handler.data['links'].append((handler.link(h.handler_path), 
+                                              h.__name__))
 
         # get response
         res = handler()