run.py now starts up emulator if it doesn't detect OSC is listening at the time of running. Also, will push ./osc to the PYTHONPATH so animations aren't required to add it themselves. Much cleaner this way.

Author: Jake McGinty

run.py

@@ -5,18 +5,46 @@
 import subprocess
 import signal
 import argparse
+import socket
+from time import sleep
 
+# Argument handling
 parser = argparse.ArgumentParser(description="Run a specific chroma animation script.")
 parser.add_argument('animation',
     metavar='animation',
     help='One of these animations: '+string.join(os.listdir('animations/'),', '),
     choices=os.listdir('animations/'))
-
 args = parser.parse_args()
-
 animation = args.animation
 
-p = subprocess.Popen(['python','animations/%s/main.py'%animation])
+# Open emulator if there's no OSC responsive on that port already
+try:
+    sys.path.append("./osc")
+    from osc import OSCClient,OSCMessage
+    s=OSCClient()
+    s.connect(('localhost',11661))
+    # asychronous, so send a bunch to get a potential exception.
+    for x in range(10):
+        s.send(OSCMessage("poop"))
+except Exception,e:
+    if '[Errno 61]' in str(e):
+        print "Starting emulator, since it doesn't seem to be running yet."
+        os.system('emulator/lights_emulator > /dev/null &')
+        emu_up = False
+        while not emu_up:
+            try:
+                # asychronous, so send a bunch to get a potential exception.
+                for x in range(10):
+                    s.send(OSCMessage("poop"))
+                emu_up = True
+            except Exception,e:
+                if not '[Errno 61]' in str(e):
+                    emu_up = True
+                else:
+                    sleep(0.1)
+
+# Start the animation with osc added to the path.
+p = subprocess.Popen(['env','PYTHONPATH=./osc:$PYTHONPATH','python','animations/%s/main.py'%animation])
 
 print "Running animation %s"%animation