[Tkinter-discuss] Proposal for thread-safe Tkinter

C. Allen callen at gemini.edu
Fri Oct 24 04:05:00 CEST 2008

cool work, that would be a great thing to have.

On Thu, 2008-10-23 at 16:16 -0400, Allen Taylor wrote:
> I was given the task of upgrading a Python/Tkinter GUI application to
> the latest versions of Python and Tk. After a while, I realized that
> the application had not been written in a thread-safe manner. Multiple
> threads would simply use the Tk object directly. The application
> apparently ran fine (i.e., didn't crash!) using older versions of
> Python (2.2) and Tk (8.3), but it started to have serious problems
> (i.e., crashing) after using the latest versions.
> The problem is that there isn't enough budget to fix the whole
> application. So, I invested a bit of time to develop mtTkinter, a
> thread-safe version of Tkinter. Importing mtTkinter actually modifies
> the original Tkinter in such a way to make it thread-safe, recognizing
> and diverting out-of-thread calls to the Tk object creation thread via
> a queue and an 'after' event. I think it works quite well, requiring
> basically no changes to the application other than to import mtTkinter
> instead of (or in addition to) Tkinter. Even packages that use Tkinter
> (e.g., Pmw) benefit.
> I would like to contribute this module (single file, about 160 lines)
> to the Python community, but I don't know how. I'm new to Python and
> am not initiated in the deep Pythonic developer world. Can someone
> give me some pointers? Many thanks.
> Allen B. Taylor
> 9445 Airport Road
> Brampton, ON  L6S 4J3
> 905-790-2800 ext. 4350
> allen.taylor at mdacorporation.com  
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