29 lines
926 B
Python
29 lines
926 B
Python
# Copyright (c) 2016 Mirantis, Inc.
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# 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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import abc
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class EventHandler(object, metaclass=abc.ABCMeta):
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"""Base class for event handlers."""
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@abc.abstractmethod
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def __call__(self, event):
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"""Handle the event."""
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raise NotImplementedError()
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def __str__(self):
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return self.__class__.__name__
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