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44 lines
1.2 KiB
Python
44 lines
1.2 KiB
Python
import logging
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from datetime import datetime
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from threading import Timer
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from time import sleep
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import pytz
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# Provides a timed cleanup of the spot list.
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class CleanupTimer:
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# Constructor
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def __init__(self, spots, alerts, cleanup_interval):
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self.spots = spots
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self.alerts = alerts
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self.cleanup_interval = cleanup_interval
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self.cleanup_timer = None
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self.last_cleanup_time = datetime.min.replace(tzinfo=pytz.UTC)
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self.status = "Starting"
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# Start the cleanup timer
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def start(self):
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self.cleanup()
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# Stop any threads and prepare for application shutdown
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def stop(self):
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self.cleanup_timer.cancel()
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# Perform cleanup and reschedule next timer
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def cleanup(self):
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try:
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# Perform cleanup
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self.spots.expire()
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self.alerts.expire()
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self.status = "OK"
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self.last_cleanup_time = datetime.now(pytz.UTC)
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except Exception as e:
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self.status = "Error"
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logging.exception("Exception in Cleanup thread")
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sleep(1)
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self.cleanup_timer = Timer(self.cleanup_interval, self.cleanup)
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self.cleanup_timer.start() |