Withdrawn projects are removed from GradingRecord creation/update task.
#!/usr/bin/python2.5
#
# Copyright 2009 the Melange authors.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
"""Helpers functions for updating different kinds of Expando models.
"""
__authors__ = [
'"Lennard de Rijk" <ljvderijk@gmail.com>',
]
from soc.logic.models import base
class Logic(base.Logic):
"""Base logic for Expando entity classes.
"""
def __init__(self, model, base_model=None, scope_logic=None,
name=None, skip_properties=None, id_based=False):
"""Defines the name, key_name and model for this entity.
"""
super(Logic, self).__init__(model=model, base_model=base_model,
scope_logic=scope_logic, name=name,
skip_properties=skip_properties,
id_based=id_based)
def updateEntityProperties(self, entity, entity_properties, silent=False):
"""Update existing entity using supplied properties.
Overwrites base because of Expando properties.
Args:
entity: a model entity
entity_properties: keyword arguments that correspond to entity
properties and their values
silent: iff True does not call _onUpdate method
Returns:
The original entity with any supplied properties changed.
"""
if not entity:
raise NoEntityError
if not entity_properties:
raise InvalidArgumentError
for name, value in entity_properties.iteritems():
# if the property is not to be updated, skip it
if name in self._skip_properties:
continue
if self._updateField(entity, entity_properties, name):
setattr(entity, name, value)
entity.put()
# call the _onUpdate method
if not silent:
self._onUpdate(entity)
return entity