Spawning separate processes

Under some circumstances, it is not possible to implement the desired functionality for your application just by using threads. For instance, you might want to call a separate program that could be written in a different language.

In this case, we also need to use the subprocess module to invoke the target program from our Python process.

Getting ready

The following example performs a ping to an indicated DNS or IP address:

How to do it...

As usual, we define a custom AsyncAction method, but, in this case, we call subprocess.run() with the...