1 #

     2 # Copyright (c) 2008-2015 Thierry Florac <tflorac AT ulthar.net>

     3 # All Rights Reserved.

     4 #

     5 # This software is subject to the provisions of the Zope Public License,

     6 # Version 2.1 (ZPL).  A copy of the ZPL should accompany this distribution.

     7 # THIS SOFTWARE IS PROVIDED "AS IS" AND ANY AND ALL EXPRESS OR IMPLIED

     8 # WARRANTIES ARE DISCLAIMED, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED

     9 # WARRANTIES OF TITLE, MERCHANTABILITY, AGAINST INFRINGEMENT, AND FITNESS

    10 # FOR A PARTICULAR PURPOSE.

    11 #

    12 

    13 __docformat__ = 'restructuredtext'

    14 

    15 

    16 # import standard library

    17 

    18 # import interfaces

    19 from pyams_security.interfaces import IProtectedObject

    20 

    21 # import packages

    22 from hypatia.keyword import KeywordIndex

    23 

    24 

    25 class PrincipalsRoleIndex(KeywordIndex):

    26     """Principals role index"""

    27 

    28     def __init__(self, role_id, family=None):

    29         KeywordIndex.__init__(self, role_id, family)

    30         self.role_id = role_id

    31 

    32     def discriminate(self, obj, default):

    33         protected_object = IProtectedObject(obj, None)

    34         if protected_object is None:

    35             return default

    36         return protected_object.get_principals(self.role_id)