I keep getting into a chicken/egg loop with trying to kick off a routine (whether it's a coroutine or a popen process or whatever) where I'm deadlocked because I need the process to return so I can start the process that will let it do the work!

Yeesh!

Anyway …

I need this for finally finishing up the test_changed.py script and making it work the way I want it to.

Here is the url: Python subprocess. Has some great examples.