I am writing a desktop usage statistics app. It runs a background daemon which wakes up at regular intervals, finds the name of the application window currently in focus and logs that data in database.

I manage to do this on Linux desktop with help of xprop utility (you can find it here).

How can I do the same on Mac OSX? Is there a direct/indirect way to do this from a python script? (PyObjC?)

It should be possible to get the active window by using AppKit like the following

from AppKit import NSWorkspaceworkspace = NSWorkspace.sharedWorkspace()
active_app = workspace.activeApplication()['NSApplicationName']