86 lines
2.1 KiB
Python
86 lines
2.1 KiB
Python
# Copyright 2014 - Mirantis, 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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import abc
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import textwrap
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from osc_lib.command import command
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import six
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DEFAULT_LIMIT = 100
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@six.add_metaclass(abc.ABCMeta)
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class MistralLister(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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"""Gets 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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else:
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return f()
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def cut(string, length=25):
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if string and len(string) > length:
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return "%s..." % string[:length]
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else:
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return string
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def wrap(string, width=25):
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if string and len(string) > width:
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return textwrap.fill(string, width)
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else:
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return string
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def get_filters(parsed_args):
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filters = {}
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if parsed_args.filters:
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for f in parsed_args.filters:
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arr = f.split('=')
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if len(arr) != 2:
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raise ValueError('Invalid filter: %s' % f)
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filters[arr[0]] = arr[1]
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return filters
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