idling with tkinter

[john.grayson at gsc.gte.com]

john.grayso- at gsc.gte.com wrote: 
original article:http://www.egroups.com/group/python-list/?start=65754
> 
> I found the after_idle() method, but it only calls the callback
> once. Strangely i can't find a method to perminently hook a
> callback into the idle system. Is there one?
> 

You're on the right track. after_idle is call *once* when there are
no pending events in the event queue; you must setup to be called 
*again* before you return from the callback (this is true for after,
too).