import gtk.gdk
from subprocess import call
from time import sleep

def pixel_at(x, y):
    rw = gtk.gdk.get_default_root_window()
    pixbuf = gtk.gdk.Pixbuf(gtk.gdk.COLORSPACE_RGB, False, 8, 1, 1)
    pixbuf = pixbuf.get_from_drawable(rw, rw.get_colormap(), x, y, 0, 0, 1, 1)
    return tuple(pixbuf.pixel_array[0, 0])


sleep(2)
for i in range(600):
    sleep(0.2)
    pix=pixel_at(2430,587)
    if pix==(207,58,0):
        key='Right'
    elif pix==(192,149,3):
        key='Down'
    elif pix==(157,2,227):
        key='Up'
    elif pix==(0,29,55):
        key='Left'
    else:
        key=''
    xdotool="xdotool key " + key
    if key!='':
        call(xdotool, shell=True)