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# Copyright (C) 2009-2017 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/>.
"""Individualized delivery with header/footer decorations."""
from mailman.config import config
from mailman.mta.verp import VERPDelivery
from public import public
@public
class DecoratingMixin:
"""Decorate a message with recipient-specific headers and footers."""
def decorate(self, mlist, msg, msgdata):
"""Add recipient-specific headers and footers."""
decorator = config.handlers['decorate']
decorator.process(mlist, msg, msgdata)
# Do not decorate a message more than once.
msgdata['nodecorate'] = True
@public
class DecoratingDelivery(DecoratingMixin, VERPDelivery):
"""Add recipient-specific headers and footers."""
def __init__(self):
"""See `IndividualDelivery`."""
super().__init__()
self.callbacks.append(self.decorate)
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