def xmlrpc_currentlevels(self):

        """get a list of levels we're currently sending out. All

        channels beyond the list you get back, they're at zero."""

        return self.combinedlevels

#!/usr/bin/python

from __future__ import division

import run_local

from rdflib import Literal, URIRef

from twisted.internet import reactor, tksupport

from twisted.internet.task import LoopingCall

from twisted.web.xmlrpc import Proxy

import xmlrpclib, sys, logging

log = logging.getLogger()

logging.basicConfig(format="%(asctime)s %(levelname)-5s %(name)s %(filename)s:%(lineno)d: %(message)s")

log.setLevel(logging.DEBUG)

import Tkinter as tk

from light9 import networking, Patch, showconfig, dmxclient

from light9.namespaces import L9

try:

    from OpenGL import Tk as Togl

    from OpenGL.GL import *

except ImportError:

    sys.path.append("/usr/lib/python2.4/site-packages/OpenGL/Tk/linux2-tk8.4")

    from OpenGL.GL import *

    import Togl

from lightsim.openglsim import Surface

def poll(graph, serv):

    dmxLevels = serv.currentlevels(dmxclient._id)

    level = {} # filename : level

    for i, lev in enumerate(dmxLevels):

        if lev == 0:

            continue

        try:

            chan = Patch.get_channel_uri(Patch.get_channel_name(i + 1))

        except KeyError:

            continue

        for lyr in graph.objects(chan, L9['previewLayer']):

            for imgPath in graph.objects(lyr, L9['path']):

                level[str(imgPath)] = lev

    print level

    ogl.newLevels(levels=level)

root = tk.Frame()

root.pack(expand=True, fill='both')

QuitButton = tk.Button(root, {'text':'Quit'})

QuitButton.bind('<ButtonRelease-1>', sys.exit)

QuitButton.pack()

filenames=['lightsim/skyline/bg.png',

           'lightsim/skyline/cyc-lo-red.png',

           'lightsim/skyline/cyc-lo-grn.png',

           ]

scales = {} # filename : scale

for f in filenames:

    scales[f] = tk.Scale(

        root, label=f, from_=0, to=1, res=.05, orient='horiz',

        command=lambda *args: ogl.newLevels(

          levels=dict([(f, s.get()) for f,s in scales.items()])))

    scales[f].pack()

ogl = Surface(root, filenames)

ogl.pack(side='top', expand=True, fill='both')

graph = showconfig.getGraph()

serv = Proxy(networking.dmxServerUrl())

LoopingCall(poll, graph, serv).start(1)

root.winfo_toplevel().bind("<Control-Key-q>",lambda ev: reactor.stop)

root.winfo_toplevel().bind("<Destroy>",lambda ev: reactor.stop)

root.winfo_toplevel().protocol('WM_DELETE_WINDOW', reactor.stop)

tksupport.install(ogl, ms=20)

reactor.run()