67 lines
2.2 KiB
Python
67 lines
2.2 KiB
Python
from abc import ABC, abstractmethod
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from typing import Optional
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from platypush.entities.managers.weather import WeatherEntityManager
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from platypush.message.event.weather import NewWeatherConditionEvent
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from platypush.plugins import RunnablePlugin, action
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from platypush.utils import get_plugin_name_by_class
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class WeatherPlugin(RunnablePlugin, WeatherEntityManager, ABC):
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"""
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Base class for weather plugins.
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"""
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def __init__(self, poll_interval: Optional[float] = 120, **kwargs):
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super().__init__(poll_interval=poll_interval, **kwargs)
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self._latest_weather = None
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def _on_weather_data(self, weather: dict, always_publish: bool = False):
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if weather != self._latest_weather or always_publish:
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self._bus.post(
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NewWeatherConditionEvent(
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plugin_name=get_plugin_name_by_class(self.__class__), **weather
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)
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)
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self.publish_entities([weather])
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self._latest_weather = weather
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@action
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def get_current_weather(self, *args, **kwargs) -> dict:
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weather = self._get_current_weather(*args, **kwargs)
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self._on_weather_data(weather, always_publish=True)
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return weather
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@action
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def status(self, *args, **kwargs):
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"""
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Alias for :meth:`get_current_weather`.
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"""
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return self.get_current_weather(*args, **kwargs)
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@abstractmethod
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def _get_current_weather(self, *args, **kwargs) -> dict:
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raise NotImplementedError("_get_current_weather not implemented")
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def main(self):
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while not self.should_stop():
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try:
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current_weather = self._get_current_weather() or {}
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current_weather.pop("time", None)
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if current_weather != self._latest_weather:
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self._bus.post(
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NewWeatherConditionEvent(
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plugin_name=get_plugin_name_by_class(self.__class__),
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**current_weather
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)
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)
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self._latest_weather = current_weather
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except Exception as e:
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self.logger.exception(e)
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finally:
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self.wait_stop(self.poll_interval)
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