1 # Licensed under the Apache License, Version 2.0 (the "License"); you may
2 # not use this file except in compliance with the License. You may obtain
3 # a copy of the License at
5 # http://www.apache.org/licenses/LICENSE-2.0
7 # Unless required by applicable law or agreed to in writing, software
8 # distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
9 # WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
10 # License for the specific language governing permissions and limitations
13 """Output formatters using PyYAML.
19 from cliff import columns
22 class YAMLFormatter(base.ListFormatter, base.SingleFormatter):
24 def add_argument_group(self, parser):
27 def emit_list(self, column_names, data, stdout, parsed_args):
31 {n: (i.machine_readable()
32 if isinstance(i, columns.FormattableColumn)
34 for n, i in zip(column_names, item)}
36 yaml.safe_dump(items, stream=stdout, default_flow_style=False)
38 def emit_one(self, column_names, data, stdout, parsed_args):
39 for key, value in zip(column_names, data):
41 key: (value.machine_readable()
42 if isinstance(value, columns.FormattableColumn)
45 yaml.safe_dump(dict_data, stream=stdout, default_flow_style=False)