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Spawning a new UI process

P: n/a
I'm working on a wxPython app (well, a Dabo app, but it's basically
the same thing) that presents the user with a selection of several
wxPython apps that exist on their system. They choose one, and I want
to then "launch" that app, as if they had typed "python" from
a terminal window. The initial app can either terminate or continue;
that's not terribly important. The important thing is to get the
selected app to run in a separate process.

I've tried all the variants of os.spawn* and os.exec*, without
success. Either nothing happens, or a Python interpreter is opened in
the Terminal window I used to run the launcher. I want to do something

cd (appdir)
pth = os.path.join(os.getcwd(), "")

followed by one of:

os.spawnl(os.P_NOWAIT, "")
os.spawnl(os.P_NOWAIT, pth)
os.spawnl(os.P_NOWAIT, "python", pth)
os.spawnl(os.P_NOWAIT, "python", "")
os.spawnl(os.P_NOWAIT, "/usr/bin/python", pth)
os.spawnl(os.P_NOWAIT, "/usr/bin/python", "")

The only result I've gotten is a Python interpreter is started, but
the GUI app that should be launched by '' is never run.

So what am I missing? How do I launch a python app in a separate
process from another Python app?
-- Ed Leafe

Nov 9 '08 #1
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