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−# copyright 2003-2011 LOGILAB S.A. (Paris, FRANCE), all rights reserved.
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−# contact http://www.logilab.fr/ -- mailto:contact@logilab.fr
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−#
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−# This file is part of CubicWeb.
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−#
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−# CubicWeb is free software: you can redistribute it and/or modify it under the
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−# terms of the GNU Lesser General Public License as published by the Free
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−# Software Foundation, either version 2.1 of the License, or (at your option)
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−# any later version.
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−#
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−# CubicWeb is distributed in the hope that it will be useful, but WITHOUT
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−# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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−# FOR A PARTICULAR PURPOSE.  See the GNU Lesser General Public License for more
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−# details.
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−#
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−# You should have received a copy of the GNU Lesser General Public License along
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−# with CubicWeb.  If not, see <http://www.gnu.org/licenses/>.
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−
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−from yams.buildobjs import (EntityType, String, SubjectRelation,
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−                            RelationDefinition)
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−
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−from cubicweb.schema import (WorkflowableEntityType,
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−                             RQLConstraint, RQLVocabularyConstraint)
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−
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−
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−class Personne(EntityType):
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−    nom = String(required=True)
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−    prenom = String()
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−    type = String()
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−    travaille = SubjectRelation('Societe')
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−    evaluee = SubjectRelation(('Note', 'Personne'))
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−    connait = SubjectRelation(
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−        'Personne', symmetric=True,
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−        constraints=[
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−            RQLConstraint('NOT S identity O'),
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−            # conflicting constraints, see cw_unrelated_rql tests in
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−            # unittest_entity.py
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−            RQLVocabularyConstraint('NOT (S connait P, P nom "toto")'),
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−            RQLVocabularyConstraint('S travaille P, P nom "tutu"')])
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−    actionnaire = SubjectRelation('Societe', cardinality='??',
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−                                  constraints=[RQLConstraint('NOT EXISTS(O contrat_exclusif S)')])
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−    dirige = SubjectRelation('Societe', cardinality='??',
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−                             constraints=[RQLConstraint('S actionnaire O')])
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−    associe = SubjectRelation('Personne', cardinality='1*',
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−                              constraints=[RQLConstraint('S actionnaire SOC, O actionnaire SOC')])
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−
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−
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−class Societe(EntityType):
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−    nom = String()
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−    evaluee = SubjectRelation('Note')
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−    fournit = SubjectRelation(('Service', 'Produit'), cardinality='1*')
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−    contrat_exclusif = SubjectRelation('Personne', cardinality='??')
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−
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−class Service(EntityType):
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−    fabrique_par = SubjectRelation('Personne', cardinality='1*')
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−
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−
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−class Produit(EntityType):
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−    fabrique_par = SubjectRelation('Usine', cardinality='1*')
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−
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−
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−class Usine(EntityType):
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−    lieu = String(required=True)
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−
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−
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−class Note(EntityType):
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−    type = String()
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−    ecrit_par = SubjectRelation('Personne')
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−
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−
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−class SubNote(Note):
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−    __specializes_schema__ = True
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−    description = String()
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−
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−
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−class tags(RelationDefinition):
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−    subject = 'Tag'
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−    object = ('Personne', 'Note')
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−
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−
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−class evaluee(RelationDefinition):
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−    subject = 'CWUser'
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−    object = 'Note'
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−
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−
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−class StateFull(WorkflowableEntityType):
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−    name = String()