b73bb3b67c
Signed-off-by: Stephen Finucane <stephenfin@redhat.com> Change-Id: Ib34fab9de71cdadb0e4a8a211f86b9e6dc362007
41 lines
1.3 KiB
Python
41 lines
1.3 KiB
Python
# Copyright (C) 2014 Yahoo! Inc. All Rights Reserved.
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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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class AutomatonException(Exception):
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"""Base class for *most* exceptions emitted from this library."""
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class InvalidState(AutomatonException):
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"""Raised when a invalid state transition is attempted while executing."""
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class NotInitialized(AutomatonException):
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"""Error raised when an action is attempted on a not inited machine."""
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class NotFound(AutomatonException):
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"""Raised when some entry in some object doesn't exist."""
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class Duplicate(AutomatonException):
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"""Raised when a duplicate entry is found."""
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class FrozenMachine(AutomatonException):
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"""Exception raised when a frozen machine is modified."""
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def __init__(self) -> None:
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super().__init__("Frozen machine can't be modified")
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