+
−"""helper functions for application hooks
+
−
+
−:organization: Logilab
+
−:copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.
+
−:contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr
+
−:license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses
+
−"""
+
−__docformat__ = "restructuredtext en"
+
−
+
−from logilab.common.deprecation import deprecated, class_moved
+
−
+
−from cubicweb import RepositoryError
+
−
+
−def entity_oldnewvalue(entity, attr):
+
−    """returns the couple (old attr value, new attr value)
+
−    NOTE: will only work in a before_update_entity hook
+
−    """
+
−    # get new value and remove from local dict to force a db query to
+
−    # fetch old value
+
−    newvalue = entity.pop(attr, None)
+
−    oldvalue = getattr(entity, attr)
+
−    if newvalue is not None:
+
−        entity[attr] = newvalue
+
−    return oldvalue, newvalue
+
−
+
−@deprecated('[3.6] entity_name is deprecated, use entity.name')
+
−def entity_name(session, eid):
+
−    """return the "name" attribute of the entity with the given eid"""
+
−    return session.entity_from_eid(eid).name
+
−
+
−@deprecated('[3.6] rproperty is deprecated, use session.schema_rproperty')
+
−def rproperty(session, rtype, eidfrom, eidto, rprop):
+
−    return session.rproperty(rtype, eidfrom, eidto, rprop)
+
−
+
−from cubicweb.server.hook import SendMailOp
+
−SendMailOp = class_moved(SendMailOp)