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−#!/usr/bin/python2.5
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−#
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−# Copyright 2008 the Melange authors.
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−#
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−# Licensed under the Apache License, Version 2.0 (the "License");
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−# you may not use this file except in compliance with the License.
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−# You may obtain a copy of the License at
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−#
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−#   http://www.apache.org/licenses/LICENSE-2.0
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−#
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−# Unless required by applicable law or agreed to in writing, software
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−# distributed under the License is distributed on an "AS IS" BASIS,
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−# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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−# See the License for the specific language governing permissions and
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−# limitations under the License.
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−
+
−"""Functions that are useful when dealing with requests.
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−"""
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−
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−__authors__ = [
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−  '"Lennard de Rijk" <ljvderijk@gmail.com>',
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−  ]
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−
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−
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−import soc.logic.models as model_logic
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−
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−
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−def removeRequestForRole(role_entity):
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−  """Removes the request that leads to the creation of the given entity.
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−  
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−  Args:
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−    role_entity : A datastore entity that is either a role or a subclass of the role model
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−   
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−  """
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−  
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−  # get the type of the role entity using the classname
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−  role_type = role_entity.__class__.__name__
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−  
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−  # get the request logic so we can query the datastore
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−  request_logic = model_logic.request.logic
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−  
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−  # create the query properties for the specific role
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−  properties = {'scope' : role_entity.scope,
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−      'link_id' : role_entity.link_id,
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−      'role' : role_type.lower() }
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−  
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−  # get the request that complies with properties
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−  request_entity = request_logic.getForFields(properties, unique=True)
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−  
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−  # delete the request from the datastore, if there is any
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−  if request_entity:
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−    request_logic.delete(request_entity)
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−    
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−