78 lines
2.4 KiB
Python
78 lines
2.4 KiB
Python
from collections import deque
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from datetime import datetime
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from queue import Empty, Queue
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from threading import Thread
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from typing import Any, Dict
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from loguru import logger
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from ..utils import seconds_between
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from .liquidsoap import PypoLiquidsoap
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class PypoLiqQueue(Thread):
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name = "liquidsoap_queue"
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daemon = True
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def __init__(
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self,
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future_queue: Queue[Dict[str, Any]],
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pypo_liquidsoap: PypoLiquidsoap,
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):
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Thread.__init__(self)
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self.queue = future_queue
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self.pypo_liquidsoap = pypo_liquidsoap
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def main(self):
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time_until_next_play = None
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schedule_deque = deque()
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media_schedule = None
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while True:
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try:
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if time_until_next_play is None:
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logger.info("waiting indefinitely for schedule")
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media_schedule = self.queue.get(block=True)
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else:
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logger.info(
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"waiting %ss until next scheduled item" % time_until_next_play
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)
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media_schedule = self.queue.get(
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block=True, timeout=time_until_next_play
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)
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except Empty:
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# Time to push a scheduled item.
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media_item = schedule_deque.popleft()
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self.pypo_liquidsoap.play(media_item)
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if len(schedule_deque):
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time_until_next_play = seconds_between(
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datetime.utcnow(),
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schedule_deque[0]["start"],
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)
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else:
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time_until_next_play = None
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else:
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logger.info("New schedule received")
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# new schedule received. Replace old one with this.
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schedule_deque.clear()
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keys = sorted(media_schedule.keys())
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for i in keys:
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schedule_deque.append(media_schedule[i])
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if len(keys):
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time_until_next_play = seconds_between(
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datetime.utcnow(),
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media_schedule[keys[0]]["start"],
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)
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else:
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time_until_next_play = None
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def run(self):
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try:
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self.main()
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except Exception as exception:
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logger.exception(exception)
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