51 lines
1.3 KiB
Python
Executable File
51 lines
1.3 KiB
Python
Executable File
#!/usr/bin/env python3
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import asyncio
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import signal
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from contextlib import suppress
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import pulsectl_asyncio
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import json
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import sys
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import os
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async def get_values(pulse):
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sink = None
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try:
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sink = await pulse.get_sink_by_name("@DEFAULT_SINK@")
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source = await pulse.get_source_by_name("@DEFAULT_SOURCE@")
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except:
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# reload the script in the event of an exception
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os.execv(sys.argv[0], sys.argv)
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sink_result = {
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"mute": sink.mute == 1,
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"volume": f"{int(sink.volume.value_flat * 100):2}"
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}
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source_result = {
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"mute": source.mute == 1,
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"volume": f"{int(source.volume.value_flat * 100):2}"
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}
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result = {
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"output": sink_result,
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"input": source_result
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}
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print(json.dumps(result), flush=True)
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return result
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async def listen():
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async with pulsectl_asyncio.PulseAsync("volume-monitor") as pulse:
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await get_values(pulse)
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async for _ in pulse.subscribe_events('all'):
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await get_values(pulse)
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async def main():
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listen_task = asyncio.create_task(listen())
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for sig in (signal.SIGTERM, signal.SIGHUP, signal.SIGINT):
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loop.add_signal_handler(sig, listen_task.cancel)
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with suppress(asyncio.CancelledError):
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await listen_task
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loop = asyncio.get_event_loop()
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loop.run_until_complete(main())
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