SC2000_Interlude.py

#!/usr/bin/python
#
#  an attempt to make real life more like playing SimCity
#
#  It picks a random amount of time from 15-90 seconds
#  if there's silence for the entire thing, it will pick a random 
#  track in the SC2000 directory and play it.
#  then it repeats... until you ctrl-c out of it
#
#  v1 2017-07-27 [email protected]
#
#	Requires: - timidity to be installed (brew install timidity)
#		  - OS X (10.12 tested)


import sys
import os
import time
import random
import subprocess
sys.dont_write_bytecode = True

mididir = "SC2000/"

def audioPlaying():
	process = os.popen('/usr/bin/pmset -g' );
	text = process.read()
	process.close()
	if( "coreaudio" not in text ):
		return False
	return True


def playRandomMIDI():
	files = os.listdir( mididir )
	fname = mididir + random.choice( files )

	print( "playing {}".format( fname ))
	cmd = "/usr/local/bin/timidity --no-loop " + fname 
	print( cmd )
	process = subprocess.Popen( "/usr/local/bin/timidity --no-loop " + fname, shell=True )
	process.wait()

def pickTimeout():
	return random.randint(15, 90)

def main():
	print( "scanning..." );
	
	silenceTimer = 0
	timeout = 99999

	while True:
		if( audioPlaying() ):

			audioWasPlaying = True
			print( "Audio is playing... Waiting." )
			time.sleep( 1 )
		else:
			if( silenceTimer == 0 ):
				timeout = pickTimeout()

			silenceTimer = silenceTimer+1

		if( silenceTimer > 0 ):
			print( "Shhh! {} of {} seconds has passed".format( silenceTimer, timeout ))

			silenceTimer = silenceTimer +1
			if( silenceTimer >= timeout ):
				playRandomMIDI()
				timeout = pickTimeout()
				silenceTimer = 0
			else:
				time.sleep( 1 )



################################################################################

# put this in your main app as well.
if __name__ == "__main__":
	main();