58fcab52f2
As per OpenStack licensing guide lines [1]: [H102 H103] Newly contributed Source Code should be licensed under the Apache 2.0 license. [H104] Files with no code shouldn't contain any license header nor comments, and must be left completely empty. [1] http://docs.openstack.org/developer/hacking/#openstack-licensing Change-Id: I0efe587768fa1b8f1b6fc64ecfb56a2e57ebd9a9
60 lines
1.9 KiB
Python
60 lines
1.9 KiB
Python
# 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.
|
|
|
|
"""Application base class for displaying data about a single object.
|
|
"""
|
|
import abc
|
|
|
|
import six
|
|
|
|
from . import display
|
|
|
|
|
|
@six.add_metaclass(abc.ABCMeta)
|
|
class ShowOne(display.DisplayCommandBase):
|
|
"""Command base class for displaying data about a single object.
|
|
"""
|
|
|
|
@property
|
|
def formatter_namespace(self):
|
|
return 'cliff.formatter.show'
|
|
|
|
@property
|
|
def formatter_default(self):
|
|
return 'table'
|
|
|
|
@abc.abstractmethod
|
|
def take_action(self, parsed_args):
|
|
"""Return a two-part tuple with a tuple of column names
|
|
and a tuple of values.
|
|
"""
|
|
|
|
def produce_output(self, parsed_args, column_names, data):
|
|
(columns_to_include, selector) = self._generate_columns_and_selector(
|
|
parsed_args, column_names)
|
|
if selector:
|
|
data = list(self._compress_iterable(data, selector))
|
|
self.formatter.emit_one(columns_to_include,
|
|
data,
|
|
self.app.stdout,
|
|
parsed_args)
|
|
return 0
|
|
|
|
def dict2columns(self, data):
|
|
"""Implement the common task of converting a dict-based object
|
|
to the two-column output that ShowOne expects.
|
|
"""
|
|
if not data:
|
|
return ({}, {})
|
|
else:
|
|
return zip(*sorted(data.items()))
|