From 13b37ed32a4a376d2d6e89f5fa9eb97da5146cb7 Mon Sep 17 00:00:00 2001
From: Fredrik Tolf <fredrik@dolda2000.com>
Date: Fri, 27 May 2011 02:18:23 +0200
Subject: [PATCH] Don't send session cookie unless session is dirty.

---
 wrw/session.py | 9 ++++-----
 1 file changed, 4 insertions(+), 5 deletions(-)

diff --git a/wrw/session.py b/wrw/session.py
index 1fded4a..9e91ad9 100644
--- a/wrw/session.py
+++ b/wrw/session.py
@@ -129,18 +129,17 @@ class db(object):
             except KeyError:
                 sess = session()
                 self.live[sess.id] = sess
-                req.oncommit(self.addcookie)
+                sess.new = True
         req.oncommit(self.ckfreeze)
         return sess
 
-    def addcookie(self, req):
-        sess = req.item(self.fetch)
-        cookie.add(req, self.cookiename, sess.id, self.path)
-
     def ckfreeze(self, req):
         sess = req.item(self.fetch)
         if sess.dirty():
             try:
+                if getattr(sess, "new", False):
+                    cookie.add(req, self.cookiename, sess.id, self.path)
+                    del sess.new
                 self.freeze(sess)
             except:
                 pass
-- 
2.11.0