dixiaoli 6ef4103ef0 Add JsonFormat display option
JsonFormat is a base class from which commands that expect to dump
json output can inherit. This class defaults to the cliff json_format
formatter, and will not produce any output if no data is provided.

Change-Id: Iedeb4d4aeadb2110adb53c097838038bf1e199b0
2016-02-19 09:44:18 +08:00

52 lines
1.2 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.
from cliff import show
class RawFormat(show.ShowOne):
def produce_output(self, parsed_args, column_names, data):
if data is None:
return
self.formatter.emit_one(column_names, data,
self.app.stdout, parsed_args)
class JsonFormat(RawFormat):
@property
def formatter_default(self):
return 'json'
class YamlFormat(RawFormat):
@property
def formatter_default(self):
return 'yaml'
class ShellFormat(RawFormat):
@property
def formatter_default(self):
return 'shell'
class ValueFormat(RawFormat):
@property
def formatter_default(self):
return 'value'