subprocess.popen how wait complete open process

[Dan Stromberg]

On Sun, Aug 21, 2022 at 2:05 PM Chris Angelico <rosuav at gmail.com> wrote:

> On Mon, 22 Aug 2022 at 05:39, simone zambonardi
> <simone.zambonardi at gmail.com> wrote:
> >
> > Hi, I am running a program with the punishment subrocess.Popen(...) what
> I should do is to stop the script until the launched program is fully open.
> How can I do this? I used a time.sleep() function but I think there are
> other ways. Thanks
> >
>
> First you have to define "fully open". How would you know?
>

If you're on X11, you could conceivably use:
     xwininfo -tree -root