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# 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.
"""Output formatters for JSON.
"""
import json
from . import base
from cliff import columns
class JSONFormatter(base.ListFormatter, base.SingleFormatter):
def add_argument_group(self, parser):
group = parser.add_argument_group(title='json formatter')
group.add_argument(
'--noindent',
action='store_true',
dest='noindent',
help='whether to disable indenting the JSON'
)
def emit_list(self, column_names, data, stdout, parsed_args):
items = []
for item in data:
items.append(
{n: (i.machine_readable()
if isinstance(i, columns.FormattableColumn)
else i)
for n, i in zip(column_names, item)}
)
indent = None if parsed_args.noindent else 2
json.dump(items, stdout, indent=indent)
def emit_one(self, column_names, data, stdout, parsed_args):
one = {
n: (i.machine_readable()
if isinstance(i, columns.FormattableColumn)
else i)
for n, i in zip(column_names, data)
}
indent = None if parsed_args.noindent else 2
json.dump(one, stdout, indent=indent)
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