95 lines
2.9 KiB
Python
95 lines
2.9 KiB
Python
#!/usr/bin/env python
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# Copyright (c) 2016 Hewlett Packard Enterprise Development Company, L.P.
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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 abc
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import six
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@six.add_metaclass(abc.ABCMeta)
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class Emitter(object):
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"""
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Emitter base class to emit errors and warnings.
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Typically errors will be collected and then send
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over the network as an http response but for tests
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and debugging, a `PrintEmitter` can be used instead.
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"""
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@abc.abstractmethod
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def emit_warning(self, span, message):
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"""
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Emit a warning.
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:type span: monasca_analytics.banana.grammar.base_ast.Span
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:param span: Span associated with the message.
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:type message: str
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:param message: message to emit with the warning level.
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"""
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pass
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@abc.abstractmethod
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def emit_error(self, span, message):
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"""
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Emit an error
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:type span: monasca_analytics.banana.grammar.base_ast.Span
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:param span: Span associated with the message.
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:type message: str
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:param message: message to emit with the error level.
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"""
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pass
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class PrintEmitter(Emitter):
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"""
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Print warnings and errors to the console.
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"""
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def emit_warning(self, span, message):
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print("WARNING at line:{}".format(span.get_lineno()))
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print("WARNING: {}".format(message))
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def emit_error(self, span, message):
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print("ERROR at line:{}".format(span.get_lineno()))
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print("ERROR: {}".format(message))
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class JsonEmitter(Emitter):
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"""
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Print warnings and errors in a Json object.
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"""
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def __init__(self):
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self.result = {
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"errors": [],
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"warnings": [],
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}
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def emit_error(self, span, message):
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error = JsonEmitter._gen_message_structure(span, message)
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self.result["errors"].append(error)
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def emit_warning(self, span, message):
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warning = JsonEmitter._gen_message_structure(span, message)
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self.result["warnings"].append(warning)
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@staticmethod
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def _gen_message_structure(span, message):
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spanrange = span.get_range()
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return {
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"startLineNumber": spanrange[0][0],
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"startColumn": spanrange[0][1],
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"endLineNumber": spanrange[1][0],
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"endColumn": spanrange[1][1],
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"byteRange": [span.lo, span.hi],
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"message": message
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}
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