# HG changeset patch
# User Tim MB <tim.murraybrowne@eecs.qmul.ac.uk>
# Date 1298982526 0
# Node ID e1b88e546699784f5a8a616391602c375aa5d3f6
# Parent  7286e5d455a758db0434e8725b950b92b93d6549
Made Python ask you for IP address and save it within a cache.

diff -r 7286e5d455a7 -r e1b88e546699 tim_grid_mapper/grid_mapper.py
--- a/tim_grid_mapper/grid_mapper.py	Tue Mar 01 11:32:02 2011 +0000
+++ b/tim_grid_mapper/grid_mapper.py	Tue Mar 01 12:28:46 2011 +0000
@@ -19,8 +19,15 @@
 
 #### OSC OPTIONS - THESE NEED TO BE SET MANUALLY ####
 my_port = 12344 # to receive OSC messages from kinect
+
+# Both joe and ableton ip addresses are now read from the file ip_addresses.txt
+# which is written to by the set_ip_addresses() function.
+
 #joe     = ('localhost', 12346)#changed by andrew - python sending to joe 
-ableton = ('localhost', 12345)#changed by andrew - max receiving from Joe
+#ableton = ('localhost', 12345)#changed by andrew - max receiving from Joe
+ip_address_file = 'ip_addresses.txt'
+ableton = None ### THESE WILL BE SET AUTOMATICALLY BELOW
+joe = None     ### DO NOT CHANGE THEM HERE
 
 ### Constants for grid mapping:
 # The range of values that the input coordinates and output values may take:
@@ -217,15 +224,8 @@
 def start():
 	'''Set up OSC servers and start the program running.
 	'''
-	global joe, ableton, server
-	if joe[1] == "THIS_MUST_BE_SET":
-		joe_port = input("Enter port number on %s for Joe's synth software: " % joe[0])
-		joe = (joe[0], joe_port)
-	
-	if ableton[1] == "THIS_MUST_BE_SET":
-		ableton_port = input("Enter port number on %s for Ableton: " % ableton[0])
-		ableton = (ableton[0], ableton_port)
-
+	global server
+	set_ip_addresses()
 	server = ThreadingOSCServer(('localhost', my_port))
 	# Register OSC callbacks:
 	server.addMsgHandler('/person', person_handler)
@@ -250,6 +250,69 @@
 		else:
 			print('Error: server has been told to close but is still running.')
 
+
+def get_ip_addresses_from_file(filename=ip_address_file):
+	'''Load up ip addresses from a file in the format saved by the 
+	set_ip_addresses function.
+	'''
+	f = open(filename, 'r')
+	lines = f.readlines()
+	global ableton, joe
+	ableton = eval(lines[1].split('#')[0].strip()) # set ableton
+	joe = eval(lines[2].split('#')[0].strip()) # set joe
+	if not ableton:
+		print('Failed to set IP for Ableton from file.')
+		
+	if not joe:
+		print('Failed to set IP for Joe from file.')
+	f.close()
+	
+
+
+def set_ip_addresses(save_file=ip_address_file):
+	'''Manually set IP addresses based on input from user. IPs are then saved to
+	a file.
+	'''
+	global joe, ableton
+	if not joe: joe = ('localhost', 12346)
+	if not ableton: ableton = ('localhost', 12345)
+	# set joe
+	try:
+		new_joe = eval(raw_input("Enter IP address and port for Joe in form: "+str(joe)+' or leave blank to keep that address.\n'))
+	except:
+		new_joe = None
+	if new_joe: joe = new_joe
+	print("Address for Joe: "+str(joe)+"\n")
+	# set ableton
+	try:
+		new_ableton = eval(raw_input('Enter IP address and port for Ableton in form: '+str(ableton)+' or leave blank to keep that address.\n'))
+	except:
+		new_ableton = None
+	if new_ableton: ableton = new_ableton
+	print('Address for Ableton: '+str(ableton)+'\n')
+	# save to file
+	if new_ableton or new_joe:
+		print('Writing new addresses to file %s.' % save_file)
+		try:
+			f = open(save_file, 'w')
+			f.write(
+'''# This is a cache. These addresses will be overridden by Python if you set something different. Do not leave comments here they will be overridden
+ableton = %s # set Ableton IP and port
+joe = %s     # set Joe's processing IP and port
+''' % (str(ableton),str(joe))
+			)
+			f.flush()
+			f.close()
+		except IOError:
+			print('SAVE FAILED.')
+			
+
+
+
+
+get_ip_addresses_from_file(ip_address_file)
+
+
 if __name__=='__main__':
 	start()
 	while True:
@@ -260,3 +323,4 @@
 			exception = e
 			trace = traceback.format_exc()
 			print('Exception saved as `exception`. Stack trace saved as `trace`.')
+