61f84d03ca
The syntax is
Try:
- Throw: ns:name #can be list of names to simulate type hierarchy
Message: message #optional
Cause: $sourceException #optional
Extra: { 'someExtra': 'data' } #optional
Catch:
- With: ns:name #can be list of names
- As: exception #optional
- Do:
- Rethrow:
Else: #optional
- else block
Finally: #optional
- finally block
Improves stack traces to contain information about Python native stack frames and macro blocks
Change-Id: I2e2bcc5e1a0da5f9489d73525f8b3fa99cc0220c
Implements: blueprint muranopl-exception-handling
71 lines
2.1 KiB
Python
71 lines
2.1 KiB
Python
# Copyright (c) 2014 Mirantis Inc.
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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 yaml
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import yaml.composer
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import yaml.constructor
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from murano.dsl import yaql_expression
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class MuranoPlDict(dict):
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pass
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class MuranoPlYamlConstructor(yaml.constructor.Constructor):
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def construct_yaml_map(self, node):
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data = MuranoPlDict()
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data.source_file_position = build_position(node)
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yield data
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value = self.construct_mapping(node)
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data.update(value)
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class YaqlYamlLoader(yaml.Loader, MuranoPlYamlConstructor):
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pass
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YaqlYamlLoader.add_constructor(u'tag:yaml.org,2002:map',
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MuranoPlYamlConstructor.construct_yaml_map)
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# workaround for PyYAML bug: http://pyyaml.org/ticket/221
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resolvers = {}
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for k, v in yaml.Loader.yaml_implicit_resolvers.items():
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resolvers[k] = v[:]
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YaqlYamlLoader.yaml_implicit_resolvers = resolvers
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def build_position(node):
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return yaql_expression.YaqlExpressionFilePosition(
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node.start_mark.name,
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node.start_mark.line + 1,
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node.start_mark.column + 1,
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node.start_mark.index,
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node.end_mark.line + 1,
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node.end_mark.column + 1,
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node.end_mark.index - node.start_mark.index)
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def yaql_constructor(loader, node):
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value = loader.construct_scalar(node)
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result = yaql_expression.YaqlExpression(value)
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result.source_file_position = build_position(node)
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return result
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yaml.add_constructor(u'!yaql', yaql_constructor, YaqlYamlLoader)
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yaml.add_implicit_resolver(u'!yaql', yaql_expression.YaqlExpression,
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Loader=YaqlYamlLoader)
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