How to run PyOS_InputHook from python code (i.e. yield to event loops)

Ville M. Vainio vivainio at
Sat Sep 6 16:00:14 EDT 2008

Background: PyOS_InputHook is something that gets run when python is
doing raw_input. TkInter and friends use it to run their event loops,
so that their events are handled while python is doing raw_input.

What I'd like to do is run the same function without having to do
raw_input. I.e. I'd like to run whatever event loop is available,
without incorporating any gui-specific code (PyOS_InputHook seems like
a nifty way to accomplish this).

My actual use case is to keep a tkinter application responsive while
launching a background process (and waiting for it to complete!).

My eventual code would be something like:

launch_process_in_thread('bzr pull')

while not is_done:

print "Done!"

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