Source code for camelot.admin.validator.entity_validator
# ============================================================================
#
# Copyright (C) 2007-2013 Conceptive Engineering bvba. All rights reserved.
# www.conceptive.be / info@conceptive.be
#
# This file is part of the Camelot Library.
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# This file may be used under the terms of the GNU General Public
# License version 2.0 as published by the Free Software Foundation
# and appearing in the file license.txt included in the packaging of
# this file. Please review this information to ensure GNU
# General Public Licensing requirements will be met.
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# This file is provided AS IS with NO WARRANTY OF ANY KIND, INCLUDING THE
# WARRANTY OF DESIGN, MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE.
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# ============================================================================
import logging
logger = logging.getLogger('camelot.admin.validator.entity_validator')
from sqlalchemy import orm
from object_validator import ObjectValidator
[docs]class EntityValidator(ObjectValidator):
"""A validator class validates an entity before flushing it to the database
and provides the user with feedback if the entity is not ready to flush
"""
[docs] def validate_object( self, obj ):
""":return: list of messages explaining invalid data
empty list if object is valid
"""
session = orm.object_session( obj )
if session == None:
return []
if obj in session.deleted:
return []
return super( EntityValidator, self ).validate_object( obj )