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# Copyright (c) 2015 Intel Corporation
# Permission is hereby granted, free of charge, to any person obtaining a copy
# of this software and associated documentation files (the "Software"), to deal
# in the Software without restriction, including without limitation the rights
# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
# copies of the Software, and to permit persons to whom the Software is
# furnished to do so, subject to the following conditions:
# The above copyright notice and this permission notice shall be included in
# all copies or substantial portions of the Software.
# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
# IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
# FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
# AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
# LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
# OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
# SOFTWARE.
"""Exception and error classes for piglit, and exception handlers."""
from __future__ import print_function, absolute_import, division
import sys
import functools
from framework import compat
__all__ = [
'PiglitInternalError',
'PiglitFatalError',
'PiglitException',
'PiglitAbort',
'handler',
]
def handler(func):
"""Decorator function for handling errors in an entry point.
This will handle expected errors (PiglitFatalError), and unexpected errors,
either PiglitInternalErrors or PiglitExceptions, as well as handling
generic Exceptions
"""
@functools.wraps(func)
def _inner(*args, **kwargs):
try:
func(*args, **kwargs)
except PiglitFatalError as e:
print('Fatal Error: {}'.format(str(e)), file=sys.stderr)
sys.exit(1)
except PiglitAbort as e:
print('Aborting Piglit execution: {}'.format(str(e)),
file=sys.stderr)
sys.exit(3)
except PiglitUserError as e:
print('User error: {}'.format(str(e)), file=sys.stderr)
sys.exit(1)
return _inner
@compat.python_2_unicode_compatible
class PiglitException(Exception):
"""Class for non-error exceptions.
These should *always* be caught. If this class (or any subclass) is
uncaught that is a bug in piglit.
"""
def __str__(self):
return (u'An internal exception that should have been handled was not:'
'\n{}'.format(super(PiglitException, self).__str__()))
@compat.python_2_unicode_compatible
class PiglitInternalError(Exception):
"""Class for errors in piglit.
These should always be handled.
"""
def __str__(self):
return u'An internal error occurred:\n{}'.format(
super(PiglitInternalError, self).__str__())
class PiglitFatalError(Exception):
"""Class for errors in piglit that cannot be recovered from.
When this class (or a subclass) is raised it should be raised all the way
to the top of the program where it exits.
"""
class PiglitUserError(Exception):
"""Class for user configuration errors.
When this class (or a subclass) is raised it should be raised all the way
to the top of the program where it exits.
"""
class PiglitAbort(Exception):
"""Class for non-errors that require piglit aborting.
When this class (or a subclass) is raised it should be raised all the way
to the top of the program where it exits.
"""
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