app/soc/models/ranker_root.py

   1 #!/usr/bin/python2.5
   2 #
   3 # Copyright 2009 the Melange authors.
   4 #
   5 # Licensed under the Apache License, Version 2.0 (the "License");
   6 # you may not use this file except in compliance with the License.
   7 # You may obtain a copy of the License at
   8 #
   9 #   http://www.apache.org/licenses/LICENSE-2.0
  10 #
  11 # Unless required by applicable law or agreed to in writing, software
  12 # distributed under the License is distributed on an "AS IS" BASIS,
  13 # WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14 # See the License for the specific language governing permissions and
  15 # limitations under the License.
  16
  17 """This module contains the RankerRoot model
  18 """
  19
  20 __authors__ = [
  21   '"Lennard de Rijk" <ljvderijk@gmail.com>',
  22 ]
  23
  24
  25 from google.appengine.ext import db
  26
  27 import soc.models.linkable
  28
  29
  30 class RankerRoot(soc.models.linkable.Linkable):
  31   """Links the Root of a RankList tree to an owner and also
  32      gives it an unique ID.
  33   """
  34
  35   #: A required reference property to the root of the RankList tree
  36   root = db.ReferenceProperty(required=True,
  37       collection_name='roots')