80 lines
2.1 KiB
Python
80 lines
2.1 KiB
Python
# -*- coding: utf-8 -*-
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#
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# Copyright 2012-2014 Romain Dorgueil
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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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class AbstractError(NotImplementedError):
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"""Abstract error is a convenient error to declare a method as "being left as an exercise for the reader"."""
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def __init__(self, method):
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super().__init__(
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'Call to abstract method {class_name}.{method_name}(...): missing implementation.'.format(
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class_name=method.__self__.__name__,
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method_name=method.__name__,
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)
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)
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class InactiveIOError(IOError):
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pass
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class InactiveReadableError(InactiveIOError):
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pass
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class InactiveWritableError(InactiveIOError):
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pass
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class ValidationError(RuntimeError):
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def __init__(self, inst, message):
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super(ValidationError, self).__init__(
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'Validation error in {class_name}: {message}'.format(
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class_name=type(inst).__name__,
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message=message,
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)
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)
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class ProhibitedOperationError(RuntimeError):
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pass
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class ConfigurationError(Exception):
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pass
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class UnrecoverableError(Exception):
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"""Flag for errors that must interrupt the workflow, either because they will happen for sure on each node run, or
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because you know that your transformation has no point continuing runnning after a bad event."""
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class UnrecoverableValueError(UnrecoverableError, ValueError):
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pass
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class UnrecoverableRuntimeError(UnrecoverableError, RuntimeError):
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pass
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class UnrecoverableNotImplementedError(UnrecoverableError, NotImplementedError):
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pass
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class MissingServiceImplementationError(UnrecoverableError, KeyError):
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pass
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