chime.py

#!/usr/bin/env python
import objc, sys, random, inspect, os
from Foundation import *
from AppKit import *
from PyObjCTools import AppHelper
from datetime import datetime

def find_in(ranges, value):
  for (b,e) in ranges:
    if b <= value <= e:
      return (b,e)


def datetime_to_chime(dt):
  mapping = {(52, 59):0, (0, 8):0,
             (8, 22):1, (23, 37):2, (38, 51):3}
  minute_range = find_in(mapping, dt.minute)
  quarter_hour_chime = mapping[minute_range]
  if quarter_hour_chime == 0:
    return (["Blow", "Purr", "Hero", "Ping", "Glass"],
            int(dt.strftime("%I")))
  else:
    return (["Submarine"], quarter_hour_chime)

#Example of how to call functions from an applescript. Way too complicated to bother.
#https://developer.apple.com/library/mac/technotes/tn2084/_index.html#//apple_ref/doc/uid/DTS10004052-CH1-SECTION6

def fade_down_script():
  nsa = NSAppleScript.alloc()
  b = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
  base_url = NSURL.fileURLWithPath_(b)
  s = NSURL.URLWithString_relativeToURL_("fade_down.applescript", base_url).absoluteURL()
  return nsa.initWithContentsOfURL_error_(s, None)[0]

def fade_up_script():
  nsa = NSAppleScript.alloc()
  b = os.path.dirname(os.path.abspath(inspect.getfile(inspect.currentframe())))
  base_url = NSURL.fileURLWithPath_(b)
  s = NSURL.URLWithString_relativeToURL_("fade_up.applescript", base_url).absoluteURL()
  return nsa.initWithContentsOfURL_error_(s, None)[0]

try:
  objc.lookUpClass("Chimey")
except:  
  class Chimey(NSObject):
    sound_names = ["Basso", "Blow", "Bottle", "Frog", "Funk", "Glass", "Hero",
                   "Morse", "Ping", "Pop", "Purr", "Sosumi", "Submarine", "Tink"]
    sounds = {}

    def applicationDidFinishLaunching_(self, notification):
      fade_down_script().executeAndReturnError_(None)
      random.seed()
      for name in self.sound_names:
        self.sounds[name] = NSSound.soundNamed_(name)
        self.sounds[name].setDelegate_(self)
      (self.sequence, self.count) = datetime_to_chime(datetime.now())
      if not self.play(None):
        raise Exception("Error playing sound first time")

    def play(self, previous):
      if len(self.sequence) == 1:
        sound = self.sounds[self.sequence[0]]
      else:
        sound = previous
        while (sound == previous):
          sound = self.sounds[random.choice(self.sequence)]
      return sound.play()

    def sound_didFinishPlaying_(self, sound, finishedPlaying):
      if finishedPlaying:
        self.count -= 1
        if self.count <= 0:
          fade_up_script().executeAndReturnError_(None)
          AppHelper.stopEventLoop()
        elif not self.play(sound):
          raise Exception("Error playing sound")
      else:
        raise("sound_didFinishPlaying_ called with finishedPlaying = False")
   
def main():
  # try:
  #   import IPython
  #   ipython_available = True
  # except ImportError as e:
  #   ipython_available = False
  # if ipython_available:
  #   import threading
  #   #args=[[]] is very important here, otherwise ipython tries to run things from the commandline
  #   threading.Thread(target=IPython.start_ipython, args=[[]]).start()
  app = NSApplication.sharedApplication()
  delegate = Chimey.alloc().init()
  app.setDelegate_(delegate)
  AppHelper.runEventLoop()
if __name__ == "__main__":
  main()