42 lines
1.2 KiB
Python
42 lines
1.2 KiB
Python
import time
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from platypush.backend import Backend
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from platypush.context import get_plugin
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from platypush.message.event.weather import NewWeatherConditionEvent
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class WeatherDarkskyBackend(Backend):
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"""
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Weather forecast backend - listens and propagates new weather events.
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Triggers:
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* :class:`platypush.message.event.weather.NewWeatherConditionEvent` when there is a weather condition update
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Requires:
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* The :class:`platypush.plugins.weather.darksky.WeatherDarkskyPlugin` plugin configured
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"""
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def __init__(self, poll_seconds, **kwargs):
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super().__init__(**kwargs)
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self.poll_seconds = poll_seconds
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self.latest_update = {}
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def run(self):
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super().run()
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weather = get_plugin('weather.darksky')
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self.logger.info('Initialized weather forecast backend')
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while not self.should_stop():
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current_weather = weather.get_current_weather().output
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del current_weather['time']
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if current_weather != self.latest_update:
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self.bus.post(NewWeatherConditionEvent(**current_weather))
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self.latest_update = current_weather
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time.sleep(self.poll_seconds)
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# vim:sw=4:ts=4:et:
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