Kevin Walzer wrote: > Yesterday I posted a question about keeping a Tkinter GUI during a > long-running process, i.e. reading data from a pipe via the subprocess > module. I think that question did not quite get at the heart of the > issue because it assumed that Python, like Tcl which underlies Tkinter, > supports non-blocking, asynchronous reading out of the box. Apparently > it does not. > > So, my question is hereby revised as such: how can I implement a > non-blocking read of a subprocess pipe that can write data to the > Tkinter text widget in an manner that does not cause the GUI to lock up?
You could do blocking reads in a separate thread and use a queue to communicate with the GUI in the main thread: http://effbot.org/zone/tkinter-threads.htm -- http://mail.python.org/mailman/listinfo/python-list
