From fe8b9c20455b7433a36c54c8f0e355c9d0ae5bcf Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Fr=C3=A9d=C3=A9ric=20P=C3=A9ters?= <fpeters@entrouvert.com>
Date: Mon, 24 Mar 2014 14:24:02 +0100
Subject: [PATCH] handle corner case of content rule of changing id on
 cut/paste (#4559)

---
 plone/dexterity/utils.py | 5 ++++-
 1 file changed, 4 insertions(+), 1 deletion(-)

diff --git a/plone/dexterity/utils.py b/plone/dexterity/utils.py
index a2eb274..1155fcf 100644
--- a/plone/dexterity/utils.py
+++ b/plone/dexterity/utils.py
@@ -171,7 +171,10 @@ def addContentToContainer(container, object, checkConstraints=True):
         if HAS_UUID:
             # work around edge case where a content rule may have moved the item
             uuid = IUUID(object)
-            return uuidToObject(uuid)
+            try:
+                return uuidToObject(uuid)
+            except KeyError:
+                return None
         else:
             # no way to know where it is
             raise