Commit 9271fbc4 authored by Vincent Pelletier's avatar Vincent Pelletier

Add a monkey patch for PersistentMapping so that calling Foo.copy() will not...

Add a monkey patch for PersistentMapping so that calling Foo.copy() will not cause 'Foo' to be marked as modified and saved again to ZODB (there is persistence-unfriendly code in python's UserDict "copy" method).


git-svn-id: https://svn.erp5.org/repos/public/erp5/trunk@15332 20353a03-c40f-0410-a6d1-a30d3c3de9de
parent 17f850b8
...@@ -51,6 +51,7 @@ from Products.ERP5Type.patches import HTTPRequest ...@@ -51,6 +51,7 @@ from Products.ERP5Type.patches import HTTPRequest
from Products.ERP5Type.patches import Connection from Products.ERP5Type.patches import Connection
from Products.ERP5Type.patches import copy_reg_patch from Products.ERP5Type.patches import copy_reg_patch
from Products.ERP5Type.patches import PersistencePatch from Products.ERP5Type.patches import PersistencePatch
from Products.ERP5Type.patches import PersistentMapping
# for python2.3 compatibility # for python2.3 compatibility
import threading import threading
......
##############################################################################
#
# Copyright (c) 2007 Nexedi SARL and Contributors. All Rights Reserved.
# Vincent Pelletier <vincent@nexedi.com>
#
# WARNING: This program as such is intended to be used by professional
# programmers who take the whole responsability of assessing all potential
# consequences resulting from its eventual inadequacies and bugs
# End users who are looking for a ready-to-use solution with commercial
# garantees and support are strongly adviced to contract a Free Software
# Service Company
#
# This program is Free Software; you can redistribute it and/or
# modify it under the terms of the GNU General Public License
# as published by the Free Software Foundation; either version 2
# of the License, or (at your option) any later version.
#
# This program is distributed in the hope that it will be useful,
# but WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
# GNU General Public License for more details.
#
# You should have received a copy of the GNU General Public License
# along with this program; if not, write to the Free Software
# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
#
##############################################################################
from Globals import PersistentMapping
PersistentMapping__super_copy = PersistentMapping.copy
def PersistentMapping_copy(self):
if isinstance(self, PersistentMapping):
return PersistentMapping(self.data.copy())
return PersistentMapping__super_copy(self)
PersistentMapping.copy = PersistentMapping_copy
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