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 class RankerRoot(soc.models.linkable.Linkable):

    30   """Links the Root of a RankList tree to an owner and also gives it an unique ID.

    31   """

    32 

    33   #: A required reference property to the root of the RankList tree

    34   root = db.ReferenceProperty(required=True,

    35       collection_name='roots')