59 lines
1.7 KiB
Python
Executable File
59 lines
1.7 KiB
Python
Executable File
# Copyright (c) 2015 Hewlett-Packard Development Company, L.P.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain 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,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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# implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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import ruamel.yaml
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def none_representer(dumper, data):
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return dumper.represent_scalar('tag:yaml.org,2002:null', 'null')
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class YAML(object):
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def __init__(self):
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"""Wrap construction of ruamel yaml object."""
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self.yaml = ruamel.yaml.YAML()
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self.yaml.allow_duplicate_keys = True
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self.yaml.representer.add_representer(type(None), none_representer)
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self.yaml.indent(mapping=2, sequence=4, offset=2)
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def load(self, stream):
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return self.yaml.load(stream)
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def tr(self, x):
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x = x.replace('\n-', '\n\n-')
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newlines = []
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for line in x.split('\n'):
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if '#' in line:
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newlines.append(line)
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else:
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newlines.append(line[2:])
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return '\n'.join(newlines)
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def dump(self, data, *args, **kwargs):
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if isinstance(data, list):
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kwargs['transform'] = self.tr
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self.yaml.dump(data, *args, **kwargs)
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_yaml = YAML()
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def load(*args, **kwargs):
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return _yaml.load(*args, **kwargs)
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def dump(*args, **kwargs):
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return _yaml.dump(*args, **kwargs)
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