Source code for zope.authentication.logout

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#
# Copyright (c) 2009 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.
#
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"""ILogout implementations
"""
from zope.component import adapter
from zope.interface import implementer, Interface

from zope.authentication.interfaces import IAuthentication
from zope.authentication.interfaces import ILogout, ILogoutSupported


[docs]@adapter(IAuthentication) @implementer(ILogout) class NoLogout(object): """ An adapter for :class:`~.IAuthentication` utilities that don't implement :class:`~.ILogout`. """
[docs] def __init__(self, auth): pass
[docs] def logout(self, request): """Does nothing."""
[docs]@adapter(Interface) @implementer(ILogoutSupported) class LogoutSupported(object): """A class that can be registered as an adapter to flag logout support."""
[docs] def __init__(self, dummy): pass