53 lines
1.7 KiB
Python
53 lines
1.7 KiB
Python
# 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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"""Output formatters using PyYAML.
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"""
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from . import base
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from cliff import columns
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def _yaml_friendly(value):
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if isinstance(value, columns.FormattableColumn):
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return value.machine_readable()
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elif hasattr(value, "toDict"):
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return value.toDict()
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elif hasattr(value, "to_dict"):
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return value.to_dict()
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else:
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return value
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class YAMLFormatter(base.ListFormatter, base.SingleFormatter):
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def add_argument_group(self, parser):
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pass
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def emit_list(self, column_names, data, stdout, parsed_args):
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# the yaml import is slow, so defer loading until we know we want it
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import yaml
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items = []
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for item in data:
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items.append(
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{n: _yaml_friendly(i) for n, i in zip(column_names, item)}
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)
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yaml.safe_dump(items, stream=stdout, default_flow_style=False)
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def emit_one(self, column_names, data, stdout, parsed_args):
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# the yaml import is slow, so defer loading until we know we want it
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import yaml
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for key, value in zip(column_names, data):
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dict_data = {key: _yaml_friendly(value)}
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yaml.safe_dump(dict_data, stream=stdout, default_flow_style=False)
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