110 lines
3.6 KiB
Python
110 lines
3.6 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"); 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 inspect
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import os.path
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import six
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from yaql import specs
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from murano.dsl import constants
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from murano.dsl import dsl
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from murano.dsl import dsl_types
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from murano.dsl import helpers
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from murano.dsl import yaql_integration
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@dsl.name('io.murano.StackTrace')
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class StackTrace(object):
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def __init__(self, this, context, include_native_frames=True):
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frames = []
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caller_context = context
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while True:
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if not caller_context:
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break
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frame = compose_stack_frame(caller_context)
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frames.append(frame)
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caller_context = helpers.get_caller_context(caller_context)
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frames.reverse()
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frames.pop()
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if include_native_frames:
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native_frames = []
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for frame in inspect.trace()[1:]:
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location = dsl_types.ExpressionFilePosition(
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os.path.abspath(frame[1]), frame[2],
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-1, frame[2], -1)
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method = frame[3]
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native_frames.append({
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'instruction': frame[4][0].strip(),
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'location': location,
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'methodName': method,
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'typeName': None
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})
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frames.extend(native_frames)
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this.properties.frames = frames
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@specs.meta(constants.META_NO_TRACE, True)
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@specs.meta('Usage', 'Action')
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def to_string(self, this, prefix=''):
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return '\n'.join([format_frame(t, prefix)for t in this['frames']])
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def compose_stack_frame(context):
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instruction = helpers.get_current_instruction(context)
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method = helpers.get_current_method(context)
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return {
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'instruction': None if instruction is None
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else six.text_type(instruction),
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'location': None if instruction is None
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else instruction.source_file_position,
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'methodName': None if method is None else method.name,
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'typeName': None if method is None else method.declaring_type.name
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}
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def format_frame(frame, prefix=''):
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instruction = frame['instruction']
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method_name = frame['methodName']
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type_name = frame['typeName']
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location = frame['location']
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if type_name:
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method_name += ' of type ' + type_name
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if location:
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args = (
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os.path.abspath(location.file_path),
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location.start_line,
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':' + str(location.start_column)
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if location.start_column >= 0 else '',
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method_name,
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instruction,
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prefix
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)
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return (u'{5}File "{0}", line {1}{2} in method {3}\n'
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u'{5} {4}').format(*args)
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else:
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return u'{2}File <unknown> in method {0}\n{2} {1}'.format(
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method_name, instruction, prefix)
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def create_stack_trace(context, include_native_frames=True):
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stacktrace = yaql_integration.call_func(
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context, 'new', 'io.murano.StackTrace',
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includeNativeFrames=include_native_frames)
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return dsl.MuranoObjectInterface(stacktrace)
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