1 """

     2 

     3 :organization: Logilab

     4 :copyright: 2001-2009 LOGILAB S.A. (Paris, FRANCE), license is LGPL v2.

     5 :contact: http://www.logilab.fr/ -- mailto:contact@logilab.fr

     6 :license: GNU Lesser General Public License, v2.1 - http://www.gnu.org/licenses

     7 """

     8 

     9 from yams.buildobjs import (EntityType, RelationDefinition, RelationType, String,

    10                             Int, SubjectRelation)

    11 from yams.constraints import IntervalBoundConstraint

    12 

    13 class Salesterm(EntityType):

    14     described_by_test = SubjectRelation('File', cardinality='1*', composite='subject')

    15     amount = Int(constraints=[IntervalBoundConstraint(0, 100)])

    16     reason = String(maxsize=20, vocabulary=[u'canceled', u'sold'])

    17 

    18 class tags(RelationDefinition):

    19     subject = 'Tag'

    20     object = ('BlogEntry', 'CWUser')

    21 

    22 class checked_by(RelationType):

    23     subject = 'BlogEntry'

    24     object = 'CWUser'

    25     cardinality = '?*'

    26     permissions = {

    27         'add': ('managers',),

    28         'read': ('managers', 'users'),

    29         'delete': ('managers',),

    30         }