mirror of
https://github.com/ARM-software/workload-automation.git
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b3de85455a
Add support for running under Python 3, while maintaining compatibility with Python 2. See http://python-future.org/compatible_idioms.html for more details behind these changes.
151 lines
4.4 KiB
Python
151 lines
4.4 KiB
Python
# Copyright 2013-2015 ARM Limited
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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 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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#
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from devlib.exception import (DevlibError, HostError, TimeoutError,
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TargetError, TargetNotRespondingError)
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from wa.utils.misc import get_traceback
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class WAError(Exception):
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"""Base class for all Workload Automation exceptions."""
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@property
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def message(self):
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if self.args:
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return self.args[0]
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return ''
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class NotFoundError(WAError):
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"""Raised when the specified item is not found."""
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pass
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class ValidationError(WAError):
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"""Raised on failure to validate an extension."""
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pass
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class ExecutionError(WAError):
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"""Error encountered by the execution framework."""
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pass
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class WorkloadError(WAError):
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"""General Workload error."""
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pass
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class JobError(WAError):
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"""Job execution error."""
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pass
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class InstrumentError(WAError):
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"""General Instrument error."""
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pass
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class OutputProcessorError(WAError):
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"""General OutputProcessor error."""
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pass
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class ResourceError(WAError):
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"""General Resolver error."""
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pass
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class CommandError(WAError):
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"""Raised by commands when they have encountered an error condition
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during execution."""
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pass
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class ToolError(WAError):
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"""Raised by tools when they have encountered an error condition
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during execution."""
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pass
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class ConfigError(WAError):
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"""Raised when configuration provided is invalid. This error suggests that
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the user should modify their config and try again."""
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pass
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class SerializerSyntaxError(Exception):
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"""
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Error loading a serialized structure from/to a file handle.
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"""
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def __init__(self, message, line=None, column=None):
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super(SerializerSyntaxError, self).__init__(message)
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self.line = line
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self.column = column
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def __str__(self):
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linestring = ' on line {}'.format(self.line) if self.line else ''
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colstring = ' in column {}'.format(self.column) if self.column else ''
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message = 'Syntax Error{}: {}'
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return message.format(''.join([linestring, colstring]), self.message)
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class PluginLoaderError(WAError):
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"""Raised when there is an error loading an extension or
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an external resource. Apart form the usual message, the __init__
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takes an exc_info parameter which should be the result of
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sys.exc_info() for the original exception (if any) that
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caused the error."""
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def __init__(self, message, exc_info=None):
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super(PluginLoaderError, self).__init__(message)
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self.exc_info = exc_info
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def __str__(self):
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if self.exc_info:
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orig = self.exc_info[1]
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orig_name = type(orig).__name__
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if isinstance(orig, WAError):
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reason = 'because of:\n{}: {}'.format(orig_name, orig)
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else:
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text = 'because of:\n{}\n{}: {}'
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reason = text.format(get_traceback(self.exc_info), orig_name, orig)
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return '\n'.join([self.message, reason])
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else:
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return self.message
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class WorkerThreadError(WAError):
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"""
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This should get raised in the main thread if a non-WAError-derived
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exception occurs on a worker/background thread. If a WAError-derived
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exception is raised in the worker, then it that exception should be
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re-raised on the main thread directly -- the main point of this is to
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preserve the backtrace in the output, and backtrace doesn't get output for
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WAErrors.
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"""
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def __init__(self, thread, exc_info):
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self.thread = thread
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self.exc_info = exc_info
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orig = self.exc_info[1]
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orig_name = type(orig).__name__
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text = 'Exception of type {} occured on thread {}:\n{}\n{}: {}'
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message = text.format(orig_name, thread, get_traceback(self.exc_info),
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orig_name, orig)
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super(WorkerThreadError, self).__init__(message)
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