Simplify client using new Packet class

Packet is a list of pixels that automatically sends pixels if it
reaches the max packet size. Client code has been simplified using
this class.

client.py

@@ -9,7 +9,7 @@ __version__ = 0.3
 __author__ = "Jan Klopper <jan@underdark.nl>"
 
 import random
-from vloed import PixelVloedClient, InitMessage, RGBPixel, MAX_PIXELS
+from vloed import PixelVloedClient, Packet, RGBPixel, MAX_PIXELS
 
 def RandomFill(pixels, width, height):
   """Generates a random number of pixels with a random color"""
@@ -34,22 +34,17 @@ def RunClient(options):
 
   # loop the effect until we cancel by pressing ctrl+c / exit the program
   while True:
-    pixels = [] # list to store the pixels we want to send
+
+    # packet will automatically send its pixels if gets to the maximum pixel length
+    pixels = Packet(client)
 
     # add some pixels to the output with our functions
     # the width/height are read from the client's config
     RandomFill(pixels, client.width, client.height)
 
-    # send our pixels in packets including a message header and less than
-    # MAX_PIXELS pixels
-    for part in SplitList(MAX_PIXELS, pixels):
-      packet = InitMessage([]) + part
-      client.SendPacket(''.join(packet))
+    # send whatever pixels are left in the packet
+    pixels.flush()
 
-def SplitList(max_size, lis):
-    """Splits a list into equal-sized chunks"""
-    for i in xrange(0, len(lis), max_size):
-        yield lis[i:i+max_size]
 
 if __name__ == '__main__':
   # if this script is called from the command line, and thus not imported