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22 lines
553 B
Python
22 lines
553 B
Python
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from abc import ABC, abstractmethod
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from typing import Any, Callable
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class Communicator(ABC):
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"""pub/sub model via specific protocol."""
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@abstractmethod
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def publish(self, topic: str, payload: Any, retain: bool = False) -> None:
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"""Send data via specific protocol."""
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pass
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@abstractmethod
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def subscribe(self, receiver: Callable) -> None:
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"""Pass receiver so communicators can pass commands."""
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pass
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@abstractmethod
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def stop(self) -> None:
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"""Stop the communicator."""
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pass
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