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# Copyright (C) 2009-2014 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/>.
"""The 'help' subcommand."""
from __future__ import absolute_import, print_function, unicode_literals
__metaclass__ = type
__all__ = [
'Help',
]
from zope.interface import implementer
from mailman.interfaces.command import ICLISubCommand
@implementer(ICLISubCommand)
class Help:
# Lowercase, to match argparse's default --help text.
"""show this help message and exit"""
name = 'help'
def add(self, parser, command_parser):
"""See `ICLISubCommand`."""
self.parser = parser
def process(self, args):
"""See `ICLISubCommand`."""
self.parser.print_help()
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