[Erp5-report] r26721 - /erp5/trunk/products/ERP5Type/Constraint/
nobody at svn.erp5.org
nobody at svn.erp5.org
Wed Apr 29 18:52:02 CEST 2009
Author: nicolas
Date: Wed Apr 29 18:52:01 2009
New Revision: 26721
URL: http://svn.erp5.org?rev=26721&view=rev
Log:
Add new Constraint for blacklisted attributes
Added:
erp5/trunk/products/ERP5Type/Constraint/AttributeBlacklisted.py
Modified:
erp5/trunk/products/ERP5Type/Constraint/__init__.py
Added: erp5/trunk/products/ERP5Type/Constraint/AttributeBlacklisted.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5Type/Constraint/AttributeBlacklisted.py?rev=26721&view=auto
==============================================================================
--- erp5/trunk/products/ERP5Type/Constraint/AttributeBlacklisted.py (added)
+++ erp5/trunk/products/ERP5Type/Constraint/AttributeBlacklisted.py [utf8] Wed Apr 29 18:52:01 2009
@@ -1,0 +1,75 @@
+##############################################################################
+#
+# Copyright (c) 2002, 2009 Nexedi SA and Contributors. All Rights Reserved.
+# Nicolas Delaby <nicolas at 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 PropertyExistence import PropertyExistence
+from Products.CMFCore.Expression import Expression
+
+class AttributeBlacklisted(PropertyExistence):
+ """
+ This constraint class allows to check
+ attribute unicity.
+ Configuration example:
+ { 'id' : 'title',
+ 'description' : 'Title must be unique',
+ 'type' : 'AttributeUnicity',
+ 'title': "python: {'portal_type': object.getPortalType(), 'title': object.getTitle(), 'validation_state': 'validated'}",
+ 'condition' : 'object/getTitle',
+ },
+ """
+
+ _message_id_list = ['message_invalid_attribute_blacklisted',]
+
+ message_invalid_attribute_blacklisted = "Attribute ${attribute_name}: "\
+ "value is blacklisted"
+
+ def checkConsistency(self, obj, fixit=0):
+ """Check the object's consistency.
+ We will make sure that each non None constraint_definition is
+ satisfied (unicity)
+ This Constraint use portal_catalog
+ """
+ if not self._checkConstraintCondition(obj):
+ return []
+ errors = PropertyExistence.checkConsistency(self, obj, fixit=fixit)
+ for attribute_name, expression_criterion_dict in self.constraint_definition.items():
+ message_id = None
+ mapping = dict(attribute_name=attribute_name)
+ #Evaluate expression_criterion_dict
+ expression = Expression(expression_criterion_dict)
+ from Products.ERP5Type.Utils import createExpressionContext
+ econtext = createExpressionContext(obj)
+ criterion_dict = expression(econtext)
+ result = obj.portal_catalog.countResults(**criterion_dict)[0][0]
+ if result:
+ message_id = 'message_invalid_attribute_blacklisted'
+ # Generate error
+ if message_id is not None:
+ errors.append(self._generateError(obj,
+ self._getMessage(message_id), mapping))
+ return errors
+
Modified: erp5/trunk/products/ERP5Type/Constraint/__init__.py
URL: http://svn.erp5.org/erp5/trunk/products/ERP5Type/Constraint/__init__.py?rev=26721&r1=26720&r2=26721&view=diff
==============================================================================
--- erp5/trunk/products/ERP5Type/Constraint/__init__.py [utf8] (original)
+++ erp5/trunk/products/ERP5Type/Constraint/__init__.py [utf8] Wed Apr 29 18:52:01 2009
@@ -4,6 +4,7 @@
from CategoryRelatedMembershipArity import CategoryRelatedMembershipArity
from AttributeEquality import AttributeEquality
from AttributeUnicity import AttributeUnicity
+from AttributeBlacklisted import AttributeBlacklisted
from PropertyExistence import PropertyExistence
from CategoryExistence import CategoryExistence
from CategoryExistence import CategoryAcquiredExistence
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