oio.cli

Source code for oio.cli.common.utils

# Copyright (C) 2015-2017 OpenIO SAS, as part of OpenIO SDS
#
# This program is free software: you can redistribute it and/or modify
# it under the terms of the GNU Affero General Public License as
# published by the Free Software Foundation, either version 3 of the
# License, or (at your option) any later version.
#
# This program 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 Affero General Public License for more details.
#
# You should have received a copy of the GNU Affero General Public License
# along with this program.  If not, see <http://www.gnu.org/licenses/>.

from argparse import Action


class KeyValueAction(Action):
    def __call__(self, parser, namespace, values, option_string=None):
        if getattr(namespace, self.dest, None) is None:
            setattr(namespace, self.dest, {})

        if '=' in values:
            getattr(namespace, self.dest, {}).update([values.split('=', 1)])
        else:
            getattr(namespace, self.dest, {}).pop(values, None)


class ValueFormatStoreTrueAction(Action):
    """Same as 'store_true', but also set 'formatter' field to 'value'"""
    def __init__(self, option_strings, dest, nargs=0, **kwargs):
        super(ValueFormatStoreTrueAction, self).__init__(
              option_strings, dest, nargs=nargs, **kwargs)

    def __call__(self, parser, namespace, values, option_string=None):
        setattr(namespace, self.dest, True)
        setattr(namespace, "formatter", "value")