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[RaiMan <question230535@xxxxxxxxxxxxxxxxxxxxx>]

Question #230535 on Sikuli changed:
https://answers.launchpad.net/sikuli/+question/230535

    Status: Open => Answered

RaiMan proposed the following answer:
this is the simplest version:

def waitAllScreens(image, elapse = 0):
    start = time.time()
    while True:
        for n in range(getNumberScreens()):
            if Screen(n).exists(image, 0):
                return n
        if time.time()-start > elapse:
            return -1
        wait(1)

-- usage as one time check:
sid = waitAllScreens("some app visual.png")
if sid < 0:
    print "App not open on any screen"; exit(1)
appScreen = Screen(sid)

-- usage with a waiting time:
sid = waitAllScreens("some app visual.png", 30)
if sid < 0:
    print "App not open on any screen after waiting about 30 seconds"; exit(1)
appScreen = Screen(sid)


One could use a background observe for each screen with onAppear(), but the setup for this is much more complicated and IMHO does not justify the effort.

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