# Copyright 2012 OpenStack Foundation.
# All Rights Reserved
#
#    Licensed under the Apache License, Version 2.0 (the "License"); you may
#    not use this file except in compliance with the License. You may obtain
#    a copy of the License at
#
#         http://www.apache.org/licenses/LICENSE-2.0
#
#    Unless required by applicable law or agreed to in writing, software
#    distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
#    WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
#    License for the specific language governing permissions and limitations
#    under the License.
#

from sys import stderr

from cliff import command


class OpenStackCommand(command.Command):
    """Base class for OpenStack commands."""

    api = None

    def run(self, parsed_args):
        stderr.write("Deprecated: tacker command line is deprecated, "
                     "will be deleted after Rocky is released.\n")
        if not self.api:
            return
        else:
            return super(OpenStackCommand, self).run(parsed_args)

    def get_data(self, parsed_args):
        pass

    def take_action(self, parsed_args):
        return self.get_data(parsed_args)