cbbcb98680
It is necessary to catch yaml and json errors that come from invalid
json / yaml streams like '{}}'.
Having an enumeration after a key value was set is a yaml parser error.
Change-Id: Ia8b298c3f1b36c6dee29326955d1e76ade3104b1
37 lines
1.3 KiB
Python
37 lines
1.3 KiB
Python
# Copyright 2020 Cloudbase Solutions Srl
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#
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# 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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import json
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import yaml
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class YamlParserConfigError(Exception):
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"""Exception for Yaml parsing failures"""
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pass
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def parse_json_yaml(raw_data):
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"""Parse data as json. Fallback to yaml if json parsing fails"""
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try:
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return json.loads(raw_data)
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except (TypeError, ValueError, AttributeError,
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json.decoder.JSONDecodeError):
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loader = getattr(yaml, 'CLoader', yaml.Loader)
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try:
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return yaml.load(raw_data, Loader=loader)
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except (TypeError, ValueError, AttributeError,
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yaml.parser.ParserError, yaml.scanner.ScannerError):
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raise YamlParserConfigError("Invalid yaml data provided.")
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