57 lines
1.9 KiB
Python
57 lines
1.9 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, NewPrecipitationForecastEvent
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from platypush.plugins.weather.buienradar import WeatherBuienradarPlugin
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class WeatherBuienradarBackend(Backend):
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"""
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Buienradar weather forecast backend. Listens for new weather or precipitation updates.
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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 :mod:`platypush.plugins.weather.buienradar` plugin configured
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"""
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def __init__(self, poll_seconds=300, **kwargs):
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super().__init__(**kwargs)
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self.poll_seconds = poll_seconds
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self.last_weather = None
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self.last_precip = None
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def run(self):
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super().run()
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plugin: WeatherBuienradarPlugin = get_plugin('weather.buienradar')
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self.logger.info('Initialized weather forecast backend')
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while not self.should_stop():
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weather = plugin.get_weather().output
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precip = plugin.get_precipitation().output
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del weather['measured']
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if precip != self.last_precip:
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self.bus.post(NewPrecipitationForecastEvent(plugin_name='weather.buienradar',
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average=precip.get('average'),
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total=precip.get('total'),
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time_frame=precip.get('time_frame')))
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if weather != self.last_weather:
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self.bus.post(NewWeatherConditionEvent(**{
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**weather,
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'plugin_name': 'weather.buienradar',
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}))
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self.last_weather = weather
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self.last_precip = precip
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time.sleep(self.poll_seconds)
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# vim:sw=4:ts=4:et:
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