84 lines
2.6 KiB
Python
84 lines
2.6 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 sys
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from murano.dsl.principal_objects import stack_trace
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class MuranoPlException(Exception):
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def __init__(self, names, message, stacktrace, extra=None, cause=None):
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super(MuranoPlException, self).__init__(
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u'[{0}]: {1}'.format(', '.join(names), message))
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if not isinstance(names, list):
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names = [names]
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self._names = names
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self._message = message
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self._stacktrace = stacktrace
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self._extra = extra or {}
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self._cause = cause
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@property
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def names(self):
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return self._names
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@property
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def message(self):
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return self._message
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@property
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def stacktrace(self):
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return self._stacktrace
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@property
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def extra(self):
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return self._extra
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@property
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def cause(self):
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return self._cause
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@staticmethod
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def from_python_exception(exception, context):
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stacktrace = stack_trace.create_stack_trace(context)
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exception_type = type(exception)
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names = ['{0}.{1}'.format(exception_type.__module__,
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exception_type.__name__)]
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result = MuranoPlException(
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names, str(exception), stacktrace)
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_, _, exc_traceback = sys.exc_info()
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result.original_exception = exception
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result.original_traceback = exc_traceback
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return result
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def _format_name(self):
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if not self._names:
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return ''
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elif len(self._names) == 1:
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return self._names[0]
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else:
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return self._names
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def format(self, prefix=''):
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text = ('{3}{0}: {1}\n'
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'{3}Traceback (most recent call last):\n'
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'{2}').format(
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self._format_name(), self.message,
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self.stacktrace().toString(prefix + ' '), prefix)
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if self._cause is not None:
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text += '\n\n{0} Caused by {1}'.format(
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prefix, self._cause.format(prefix + ' ').lstrip())
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return text
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