Tkinter callback caused abnormal program termination

[Martin Franklin]

On Tue, 09 Nov 2004 17:41:56 GMT, John Pote <johnpote at blueyonder.co.uk>  
wrote:

> Running my programme in Python 2.3.4 I received the following msg in the
> consol :-
> (Pent III running W2K prof)
>
> """
> Exception in Tkinter callback
> Traceback (most recent call last):
>   File "c:\apps\python\234\lib\lib-tk\Tkinter.py", line 1345, in __call__
>     return self.func(*args)
>   File "c:\apps\python\234\lib\lib-tk\Tkinter.py", line 459, in callit
>     self.deletecommand(tmp[0])
> AttributeError: 'str' object has no attribute 'deletecommand'
> UpdateStringProc should not be invoked for type option
>
> abnormal program termination
> """
> There was no other traceback information.
>
> Could this be related to lines of the ilk:-
>   self.infoSpd.config(text="%d.%01d"%spd)
> where infoSpd is a Tkinter Label object placed using the grid manager.
>
> Thousands of these updates were performed so the labels displayed  
> progress
> through a memory dump of a system accessed through a serial port.
>
> I had trouble before with Python versions 2.2.1 and 2.2.3 where  
> commenting
> out these Label updates stopped the system crashing and it was happy to  
> run
> for hours performing tests on the external hardware. (an embedded data
> logger I'm developing)
>
> Anyone any thoughts?
>
> John


Only one (thought that is)  Are you updating thses Label widgets from other
threads? and could you possibly post an example?

Martin

-- 
Using M2, Opera's revolutionary e-mail client: http://www.opera.com/m2/