jcarnes schrieb: > I am writing a GUI application in wxPython and using MPL that plots figures, > saves them to image files, and then closes them all from within a thread to > keep the GUI responsive. Using the Enthought 2.3 install I would > sporatically have crashes that were hard to reproduce, but now that I've > upgrade to Enthought 2.5 (Python 2.5 and MPL 0.91.2.0001) it started > throwing exceptions when attempting to close a figure that I don't > understand. I've created an example script that excites the exception. I'm > not sure if the syptoms are a combination of problems caused by my use of > threads but this problem does not occur if threading is removed from the > script. I've read of others experiencing memory leaks and such when closing > figures, but no situations quite like this. > > I am working from a desktop in Windows XP and I use the WXAgg backend. > > Does anyone have any ideas, or any feedback on my use of threads? Thanks, > Josh >
wxPython and multithreading don't go well together. Have a look at the wxWidgets docs about multithreading. Changes to the GUI (this includes closing a window) should only be done from the main thread. Continously creating and destroying a figure window seems not necessary in your application. Create it once in the main thread ((have a look at the embedding_in_wx examples of matplotlib) and only clear/replot it in your thread. In my experience replotting from the main thread is fast enough, saving to a file takes more time, this is worth to be done in another thread. Gregor ------------------------------------------------------------------------- This SF.Net email is sponsored by the Moblin Your Move Developer's challenge Build the coolest Linux based applications with Moblin SDK & win great prizes Grand prize is a trip for two to an Open Source event anywhere in the world http://moblin-contest.org/redirect.php?banner_id=100&url=/ _______________________________________________ Matplotlib-users mailing list Matplotlib-users@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/matplotlib-users
