自動シャットダウン

一定期間誰もログインしていなければシャットダウンするスクリプト。

code:python

from subprocess import check_output, check_call

from datetime import datetime

import sys

from pathlib import Path

def is_empty_dir(path):

for _ in path.iterdir():

return False

return True

def main() -> None:

data_dir = Path.home() / '.local' / 'share' / 'auto-shutdown'

data_dir.mkdir(parents=True, exist_ok=True)

datetime_file = data_dir / 'last-active-timestamp'

pause_dir = data_dir / 'pause'

outputs = check_output(('who',), encoding='utf8').splitlines()

outputs_without_tmux = tuple(line for line in outputs if 'tmux' not in line)

n = len(outputs_without_tmux)

now = datetime.now().timestamp()

threshold = 60 * 40

if n > 0 or (pause_dir.is_dir() and not is_empty_dir(pause_dir)):

with open(datetime_file, 'w') as f:

f.write(str(now))

return

try:

with open(datetime_file, 'r') as f:

d = float(f.read())

except Exception:

return

if now - d > threshold:

datetime_file.unlink()

check_call(('sudo', '/sbin/shutdown', '-h', 'now'))

if __name__ == '__main__':

main()

timedelta使えばよかった！