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 IPrincipalInfo

    20 

    21 # import packages

    22 from zope.interface import implementer

    23 from zope.schema.fieldproperty import FieldProperty

    24 

    25 from pyams_security import _

    26 

    27 

    28 @implementer(IPrincipalInfo)

    29 class PrincipalInfo(object):

    30     """Generic principal info"""

    31 

    32     id = FieldProperty(IPrincipalInfo['id'])

    33     title = FieldProperty(IPrincipalInfo['title'])

    34     groups = FieldProperty(IPrincipalInfo['groups'])

    35 

    36     def __init__(self, **kwargs):

    37         self.id = kwargs.get('id')

    38         self.title = kwargs.get('title')

    39 

    40     def __eq__(self, other):

    41         return isinstance(other, PrincipalInfo) and (self.id == other.id)

    42 

    43 

    44 @implementer(IPrincipalInfo)

    45 class UnknownPrincipal(object):

    46     """Unknown principal info"""

    47 

    48     id = None

    49     title = _("Not logged in")

    50 

    51 UnknownPrincipal = UnknownPrincipal()

    52 

    53 

    54 @implementer(IPrincipalInfo)

    55 class MissingPrincipal(object):

    56     """Missing principal info

    57 

    58     This class can be used when a stored principal ID

    59     references a principal which can't be found anymore

    60     """

    61 

    62     id = FieldProperty(IPrincipalInfo['id'])

    63 

    64     def __init__(self, **kwargs):

    65         self.id = kwargs.get('id')

    66 

    67     @property

    68     def title(self):

    69         return '<MissingPrincipal: {0}>'.format(self.id)

    70 

    71     def __eq__(self, other):

    72         return isinstance(other, PrincipalInfo) and (self.id == other.id)