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# Copyright (C) 2009 by the Free Software Foundation, Inc.
#
# This file is part of GNU Mailman.
#
# GNU Mailman is free software: you can redistribute it and/or modify it under
# the terms of the GNU General Public License as published by the Free
# Software Foundation, either version 3 of the License, or (at your option)
# any later version.
#
# GNU Mailman is distributed in the hope that it will be useful, but WITHOUT
# ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
# FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
# more details.
#
# You should have received a copy of the GNU General Public License along with
# GNU Mailman. If not, see <http://www.gnu.org/licenses/>.
"""Traversal rules for the Mailman RESTful admin web service."""
from __future__ import absolute_import, unicode_literals
__metaclass__ = type
__all__ = [
'Traverse',
]
from urllib import unquote
from zope.component import adapts
from zope.interface import implements
from zope.publisher.interfaces import IPublishTraverse, NotFound
from zope.publisher.interfaces.browser import IDefaultBrowserLayer
class Traverse:
"""An implementation of `IPublishTraverse` that uses the get() method."""
implements(IPublishTraverse)
adapts(IHasGet, IDefaultBrowserLayer)
def __init__(self, context, request):
self.context = context
def publishTraverse(self, request, name):
"""See `IPublishTraverse`."""
name = unquote(name)
value = self.context.get(name)
if value is None:
raise NotFound(self, name)
return value
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