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85 lines
2.4 KiB
Python
Executable File
85 lines
2.4 KiB
Python
Executable File
#!/usr/bin/env python
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"""
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Script to send notification whenever the volume is changed through the
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multi-media keys on my laptop.
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"""
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import os
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import subprocess
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import sys
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from pathlib import Path
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import config
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def execute_with_capture(command: list) -> subprocess.CompletedProcess:
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"""
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Returns the result of a subprocess.run command with capture output and
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utf-8 encoding.
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"""
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return subprocess.run(command, capture_output=True,
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shell=True, check=True, encoding='UTF-8')
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def get_volume() -> int:
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"""Returns the volume of the system."""
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args = ['pulsemixer --get-volume']
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proc = execute_with_capture(args)
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output = proc.stdout
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volume = output.split(' ')[0]
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return volume
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def check_mute() -> int:
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"""Returns 1 when system muted. 0 otherwise."""
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args = ['pulsemixer --get-mute']
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proc = execute_with_capture(args)
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return int(proc.stdout)
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def get_icon_path(volume: int) -> str:
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"""Gets the icons path based on the current volume."""
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# base_dir = pathlib.Path('/usr/share/icons/gnome/16x16/status/')
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base_dir = Path(config.BASE_DIR)
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if volume == 0:
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path = base_dir.joinpath(config.MUTED)
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elif 0 < volume < 40:
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path = base_dir.joinpath(config.LOW)
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elif 40 <= volume < 70:
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path = base_dir.joinpath(config.MEDIUM)
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elif volume >= 70:
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path = base_dir.joinpath(config.HIGH)
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return str(path)
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def main(event: str) -> None:
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"""Main driver function."""
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if event in ('increase', 'decrease'):
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volume = get_volume()
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icon_path = get_icon_path(volume)
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output_command = f'dunstify -i {icon_path} -h \
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string:x-dunst-stack-tag:audio "Volume: {volume}%" -h \
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int:value:{volume}'
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elif event == 'mute':
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muted = check_mute()
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if muted:
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icon_path = get_icon_path(0)
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output_command = f'dunstify -i {icon_path} -h \
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string:x-dunst-stack-tag:audio "Volume: Muted" -h \
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int:value:0'
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else:
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volume = get_volume()
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icon_path = get_icon_path(volume)
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output_command = f'dunstify -i {icon_path} -h \
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string:x-dunst-stack-tag:audio "Volume: {volume}%" -h \
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int:value:{volume}'
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os.system(output_command)
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if __name__ == '__main__':
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if len(sys.argv) < 2:
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print('not nice')
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sys.exit(1)
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e = sys.argv[1]
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main(e)
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