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##############################################################################
#
# Copyright (c) 2004 Zope Foundation and Contributors.
# All Rights Reserved.
#
# This software is subject to the provisions of the Zope Public License,
# Version 2.1 (ZPL). A copy of the ZPL should accompany this distribution.
# THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED
# WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
# WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS
# FOR A PARTICULAR PURPOSE.
#
##############################################################################
"""Role Id Vocabulary.
This vocabulary provides role IDs.
"""
__docformat__ = 'restructuredtext'
import zope.component
from zope.interface import implementer, provider
from zope.schema.vocabulary import SimpleTerm, SimpleVocabulary
from zope.schema.interfaces import IVocabularyFactory
from zope.securitypolicy.interfaces import IRole
from zope.securitypolicy.interfaces import IGrantVocabulary
@provider(IVocabularyFactory)
class RoleIdsVocabulary(SimpleVocabulary):
"""A vocabular of role IDs.
Term values are the role ID strings
Term are stored by title
To illustrate, we need to register the role IDs vocab:
>>> from zope.schema import vocabulary
>>> from zope.component.testing import setUp, tearDown
>>> setUp()
>>> vocabulary.setVocabularyRegistry(None)
>>> registry = vocabulary.getVocabularyRegistry()
>>> registry.register('Role Ids', RoleIdsVocabulary)
Let's register some sample roles to test against them
>>> from zope.securitypolicy.interfaces import IRole
>>> from zope.securitypolicy.role import Role
>>> from zope.component import provideUtility
>>> provideUtility(Role('a_id','a_title'), IRole, 'a_id')
>>> provideUtility(Role('b_id','b_title'), IRole, 'b_id')
Let's lookup the roles using the vocabulary
>>> vocab = registry.get(None, 'Role Ids')
>>> vocab.getTermByToken('a_id').value
u'a_id'
>>> vocab.getTermByToken('b_id').value
u'b_id'
>>> tearDown()
"""
def __init__(self, context):
terms = []
roles = zope.component.getUtilitiesFor(IRole, context)
for name, role in roles:
terms.append(SimpleTerm(name, name, name))
super(RoleIdsVocabulary, self).__init__(terms)
@provider(IVocabularyFactory)
@implementer(IGrantVocabulary)
class GrantVocabulary(SimpleVocabulary):
"""A vocabular for getting the RadioWidget via the Choice field."""
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