alarm.py

alarm.py

#!/usr/bin/env python3

import sys
from time import sleep

# python3 -m pip install --user beepy
from beepy import beep  # type: ignore

if len(sys.argv) < 2:
    print(f"Usage: {sys.argv[0]} <time in minutes>")
    sys.exit(1)

try:
    minutes = int(sys.argv[1])
except ValueError:
    print("Invalid numeric value (%s) for minutes" % sys.argv[1])
    print("Should be an integer >= 0")
    sys.exit(1)

if minutes < 0:
    print("Invalid value for minutes, should be >0")
    sys.exit(1)


try:
    if minutes > 0:
        print(f"Sleeping for {minutes} {'minute' if minutes == 1 else 'minutes'}")
        sleep(minutes * 60)

    print("Wake up")

    while True:
        beep(1)
        sleep(0.5)
except KeyboardInterrupt:
    print("Interrupted by user")
    sys.exit(1)