matplotlib Code

#!/usr/bin/env python
import pygtk
pygtk.require('2.0')
import gtk

from matplotlib.matlab import *


fig = figure(1)
ind = arange(30)
X = rand(len(ind),10)
lines = plot(X[:,0], 'o')

manager = get_current_fig_manager()
def updatefig(*args):
    lines[0].set_data(ind, X[:,updatefig.count])
    manager.canvas.draw()
    updatefig.count += 1
    if updatefig.count<10: return gtk.TRUE
    else: return gtk.FALSE

updatefig.count = 0

gtk.timeout_add(300, updatefig)
show()