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https://github.com/avatao-content/baseimage-tutorial-framework
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33 lines
812 B
Python
33 lines
812 B
Python
class EventHandler:
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_instances = set()
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def __init__(self, connector):
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type(self)._instances.add(self)
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self.connector = connector
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def start(self):
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self.connector.register_callback(self._event_callback)
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def _event_callback(self, message):
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if self._validate_message(message):
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self.handle_event(message, self.connector)
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def _validate_message(self, message):
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# pylint: disable=unused-argument,no-self-use
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return True
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def handle_event(self, message, connector):
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raise NotImplementedError()
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@classmethod
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def stop_all_instances(cls):
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for instance in cls._instances:
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instance.stop()
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def stop(self):
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self.connector.close()
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self.cleanup()
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def cleanup(self):
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pass
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