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76 lines
2.0 KiB
Python
76 lines
2.0 KiB
Python
"""Schedule for HassIO."""
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import logging
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from datetime import date, datetime, time, timedelta
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_LOGGER = logging.getLogger(__name__)
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INTERVAL = 'interval'
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REPEAT = 'repeat'
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CALL = 'callback'
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TASK = 'task'
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class Scheduler:
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"""Schedule task inside HassIO."""
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def __init__(self, loop):
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"""Initialize task schedule."""
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self.loop = loop
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self._data = {}
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self.suspend = False
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def register_task(self, coro_callback, interval, repeat=True):
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"""Schedule a coroutine.
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The coroutien need to be a callback without arguments.
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"""
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task_id = hash(coro_callback)
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# generate data
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opts = {
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CALL: coro_callback,
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INTERVAL: interval,
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REPEAT: repeat,
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}
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# schedule task
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self._data[task_id] = opts
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self._schedule_task(interval, task_id)
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return task_id
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def _run_task(self, task_id):
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"""Run a scheduled task."""
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data = self._data[task_id]
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if not self.suspend:
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self.loop.create_task(data[CALL]())
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if data[REPEAT]:
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self._schedule_task(data[INTERVAL], task_id)
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else:
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self._data.pop(task_id)
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def _schedule_task(self, interval, task_id):
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"""Schedule a task on loop."""
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if isinstance(interval, (int, float)):
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job = self.loop.call_later(interval, self._run_task, task_id)
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elif isinstance(interval, time):
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today = datetime.combine(date.today(), interval)
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tomorrow = datetime.combine(
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date.today() + timedelta(days=1), interval)
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# check if we run it today or next day
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if today > datetime.today():
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calc = today
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else:
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calc = tomorrow
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job = self.loop.call_at(calc.timestamp(), self._run_task, task_id)
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else:
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_LOGGER.fatal("Unknow interval %s (type: %s) for scheduler %s",
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interval, type(interval), task_id)
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# Store job
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self._data[task_id][TASK] = job
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