remove temporarly DateTime from pickle for cookie

git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@843 20353a03-c40f-0410-a6d1-a30d3c3de9de

product/ERP5Form/SelectionTool.py

@@ -40,6 +40,7 @@ from Selection import Selection
 from email.MIMEBase import MIMEBase
 from email import Encoders
 from copy import copy
+from DateTime import DateTime
 import md5
 import pickle
 import hmac
@@ -735,6 +736,12 @@ class SelectionTool( UniqueObject, SimpleItem ):
       """
       LOG('getPickleAndSignature kw',0,kw)
       cookie_password = self._getCookiePassword()
+      # XXX Remove DateTime, This is really bad, only use for zope 2.6
+      # XXX This has to be removed as quickly as possible
+      for k,v in kw.items():
+        if instance(v,DateTime):
+          del kw[k]
+      # XXX End of the part to remove
       pickle_string = pickle.dumps(kw)
       msg = MIMEBase('application','octet-stream')
       msg.set_payload(pickle_string)