Zope: monkey-patch 'transaction' to provide start time of transaction

product/ERP5Type/ZopePatch.py

@@ -71,6 +71,7 @@ from Products.ERP5Type.patches import ExternalMethod
 from Products.ERP5Type.patches import User
 from Products.ERP5Type.patches import zopecontenttype
 from Products.ERP5Type.patches import OFSImage
+from Products.ERP5Type.patches import _transaction
 from Products.ERP5Type.patches import default_zpublisher_encoding
 
 # These symbols are required for backward compatibility

product/ERP5Type/patches/_transaction.py

+############################################################################
+#
+# Copyright (c) 2012 Nexedi SA and Contributors.
+#
+# This software is subject to the provisions of the Zope Public License,
+# Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.
+# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
+# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
+# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
+# FOR A PARTICULAR PURPOSE.
+#
+############################################################################
+
+# XXX: This file starts with an underscore because by default, on Python 2.6,
+#      imports are relative.
+
+from time import time
+from transaction import _manager
+
+def _new_transaction(txn, synchs):
+    txn.start_time = time()
+    if synchs:
+        synchs.map(lambda s: s.newTransaction(txn))
+
+_manager._new_transaction = _new_transaction