Macadmin parenting

playtime.py

#!/usr/bin/python
# -*- coding: utf-8 -*-


from __future__ import unicode_literals
from __future__ import print_function
from __future__ import division
import io
import sys
import codecs
if sys.stdout.encoding != "UTF-8":
    sys.stdout = codecs.getwriter("utf-8")(sys.stdout, "strict")
if sys.stderr.encoding != "UTF-8":
    sys.stderr = codecs.getwriter("utf-8")(sys.stderr, "strict")


import argparse
import time
import subprocess


def notify(title, message, sound="default"):
    msg = 'display notification "{}" with title "{}" sound name "{}"'.format(message, title, sound)
    subprocess.call(["/usr/bin/osascript", "-e", msg])


PERIOD = 60
def measure_and_notify(launchtime):
    while True:
        sleep_time = PERIOD - (time.time() - launchtime) % PERIOD
        time.sleep(sleep_time)
        session_time = time.time() - launchtime
        if int(session_time / PERIOD) == 55:
            notify("Playtime", "5 minutes left")
        if int(session_time / PERIOD) == 58:
            notify("Playtime", "2 minutes left")
        if int(session_time / PERIOD) == 59:
            notify("Playtime", "1 minute left", "Glass")
        if int(session_time / PERIOD) >= 60:
            notify("Playtime", "Time is up!", "Basso")


def main(argv):
    p = argparse.ArgumentParser()
    p.add_argument("-v", "--verbose", action="store_true",
                   help="Verbose output.")
    args = p.parse_args([x.decode("utf-8") for x in argv[1:]])
    
    measure_and_notify(time.time())
    
    return 0


if __name__ == '__main__':
    sys.exit(main(sys.argv))

se.automac.playtime.plist

<?xml version="1.0" encoding="UTF-8"?>
<!DOCTYPE plist PUBLIC "-//Apple//DTD PLIST 1.0//EN" "http://www.apple.com/DTDs/PropertyList-1.0.dtd">
<plist version="1.0">
<dict>
	<key>Label</key>
	<string>se.automac.playtime</string>
	<key>LimitLoadToSessionType</key>
	<array>
		<string>Aqua</string>
	</array>
	<key>Program</key>
	<string>/Users/Shared/playtime.py</string>
	<key>RunAtLoad</key>
	<true/>
</dict>
</plist>