distcloud-client/dcmanagerclient/commands/v1/base.py

91 lines
2.5 KiB
Python

# Copyright (c) 2016 Ericsson AB
# 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.
#
#
# Copyright (c) 2017 Wind River Systems, Inc.
#
# The right to copy, distribute, modify, or otherwise make use
# of this software may be licensed only pursuant to the terms
# of an applicable Wind River license agreement.
#
import abc
from osc_lib.command import command
import six
@six.add_metaclass(abc.ABCMeta)
class DCManagerLister(command.Lister):
@abc.abstractmethod
def _get_format_function(self):
raise NotImplementedError
@abc.abstractmethod
def _get_resources(self, parsed_args):
"""Get a list of API resources (e.g. using client)."""
raise NotImplementedError
def _validate_parsed_args(self, parsed_args):
# No-op by default.
pass
def take_action(self, parsed_args):
self._validate_parsed_args(parsed_args)
f = self._get_format_function()
ret = self._get_resources(parsed_args)
if not isinstance(ret, list):
ret = [ret]
data = [f(r)[1] for r in ret]
if data:
return f()[0], data
else:
return f()
@six.add_metaclass(abc.ABCMeta)
class DCManagerShowOne(command.ShowOne):
@abc.abstractmethod
def _get_format_function(self):
raise NotImplementedError
@abc.abstractmethod
def _get_resources(self, parsed_args):
"""Get a list of API resources (e.g. using client)."""
raise NotImplementedError
def _validate_parsed_args(self, parsed_args):
# No-op by default.
pass
def take_action(self, parsed_args):
self._validate_parsed_args(parsed_args)
f = self._get_format_function()
ret = self._get_resources(parsed_args)
if not isinstance(ret, list):
ret = [ret]
columns = [f(r)[0] for r in ret]
data = [f(r)[1] for r in ret]
if data:
return (columns[0], data[0])
else:
return f()