109 lines
3.2 KiB
Python
109 lines
3.2 KiB
Python
# Copyright (c) 2016 Ericsson AB
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# Copyright (c) 2017, 2019, 2021-2022, 2024 Wind River Systems, Inc.
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# All Rights Reserved
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#
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# Licensed under the Apache License, Version 2.0 (the "License"); you may
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# not use this file except in compliance with the License. You may obtain
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# a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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# WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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# License for the specific language governing permissions and limitations
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# under the License.
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#
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#
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import abc
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import six
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from osc_lib.command import command
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@six.add_metaclass(abc.ABCMeta)
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class DCManagerLister(command.Lister):
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@abc.abstractmethod
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def _get_format_function(self):
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raise NotImplementedError
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@abc.abstractmethod
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def _get_resources(self, parsed_args):
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"""Get a list of API resources (e.g. using client)."""
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raise NotImplementedError
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def _validate_parsed_args(self, parsed_args):
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# No-op by default.
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pass
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def take_action(self, parsed_args):
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self._validate_parsed_args(parsed_args)
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f = self._get_format_function()
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ret = self._get_resources(parsed_args)
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if not isinstance(ret, list):
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ret = [ret]
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data = [f(r)[1] for r in ret]
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if data:
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return f()[0], data
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return f()
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@six.add_metaclass(abc.ABCMeta)
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class DCManagerShowOne(command.ShowOne):
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@abc.abstractmethod
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def _get_format_function(self):
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raise NotImplementedError
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@abc.abstractmethod
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def _get_resources(self, parsed_args):
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"""Get a list of API resources (e.g. using client)."""
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raise NotImplementedError
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def _validate_parsed_args(self, parsed_args):
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# No-op by default.
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pass
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def take_action(self, parsed_args):
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self._validate_parsed_args(parsed_args)
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f = self._get_format_function()
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ret = self._get_resources(parsed_args)
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if not isinstance(ret, list):
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ret = [ret]
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columns = [f(r)[0] for r in ret]
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data = [f(r)[1] for r in ret]
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if data:
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return (columns[0], data[0])
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return f()
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@six.add_metaclass(abc.ABCMeta)
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class DCManagerShow(DCManagerLister, DCManagerShowOne):
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@abc.abstractmethod
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def should_list(self, parsed_args):
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"""Uses Lister behaviour if True, ShowOne otherwise."""
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raise NotImplementedError
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def take_action(self, parsed_args):
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"""Overrides method from DCManagerLister and DCManagerShowOne."""
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if self.should_list(parsed_args):
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return DCManagerLister.take_action(self, parsed_args)
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return DCManagerShowOne.take_action(self, parsed_args)
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def produce_output(self, parsed_args, column_names, data):
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"""Overrides method from cliff.Lister/cliff.ShowOne."""
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if self.should_list(parsed_args):
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return DCManagerLister.produce_output(
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self, parsed_args, column_names, data
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)
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return DCManagerShowOne.produce_output(self, parsed_args, column_names, data)
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