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# Copyright (C) 2008-2014 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/>.
"""Interface for describing pipelines."""
from __future__ import absolute_import, print_function, unicode_literals
__metaclass__ = type
__all__ = [
'IPipeline',
]
from zope.interface import Interface, Attribute
class IPipeline(Interface):
"""A pipeline of handlers."""
name = Attribute('Pipeline name; must be unique.')
description = Attribute('A brief description of this pipeline.')
def __iter__():
"""Iterate over all the handlers in this pipeline."""
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