Python comes with a lot of cool concurrency tools builtin, such as threads, Queues, semaphores and multiprocessing. In this article, we’ll spend some time learning how to use Queues. A Queue can be used for first-in-first out or last-in-last-out stack-like implementations if you just use them directly. If you’d like to see that in action, see the Hellman article at the end of this post. We’re going to mix threads in and create a simple file downloader script to demonstrate how Queues work for cases where we want concurrency. (more…)
Entries tagged with “Threads”.
Wed 1 Aug 2012
Sat 22 May 2010
If you use GUIs in Python much, then you know that sometimes you need to execute some long running process every now and then. Of course, if you do that as you would with a command line program, then you’ll be in for a surprise. In most cases, you’ll end up blocking your GUI’s event loop and the user will see your program freeze. What can you do to get around just mishaps? Start the task in another thread or process of course! In this article, we’ll look at how to do this with wxPython and Python’s threading module. (more…)