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Executing a hidden/background program

P: n/a
Using wxPython, I'm looking to build a GUI app for a daemon-based app,
on Win32 platform, how would I go about executing the daemon app so it
stays in the background when the Py app is running? It's critical that
the child process exit when the Py app exits/crashes.
Nov 1 '08 #1
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3 Replies


P: n/a
Jim,

On Sat, Nov 1, 2008 at 6:02 PM, <ji*****@googlemail.comwrote:
Using wxPython, I'm looking to build a GUI app for a daemon-based app,
on Win32 platform, how would I go about executing the daemon app so it
stays in the background when the Py app is running? It's critical that
the child process exit when the Py app exits/crashes.
--
http://mail.python.org/mailman/listinfo/python-list
You probably want to create a Windows service with Python. There are
various ways to accomplish this. While I haven't done it myself, I
found you some links:

http://agiletesting.blogspot.com/200...s-windows.html
http://essiene.blogspot.com/2005/04/...-services.html
http://timgolden.me.uk/python/wmi.html

Then the service can basically listen for input. You could probably do
something similar by creating a local server with cherrypy or some
such. I like the pubsub module for communication in wxPython.
Fortunately you can use it outside of the toolkit as well:

http://pypi.python.org/pypi/pubsub/1%20to%203

There's also a win32 mailing list for Python users. If you have
specific questions about creating a service, that's probably the best
place to ask. Here's a link to that as well:
http://mail.python.org/mailman/listinfo/python-win32

HTH

Mike
Nov 2 '08 #2

P: n/a
On Nov 2, 3:59*am, "Mike Driscoll" <kyoso...@gmail.comwrote:
You probably want to create a Windows service with Python. There are
various ways to accomplish this.
Was considering a Windows service too, however would like to avoid
that as non-Admin users may not be able to do that. While I'm not
familiar with threading, I'm considering starting a seperate thread
and use a function such as os.pexec that hangs until the external
daemon .exe exists.
Nov 2 '08 #3

P: n/a
On Nov 2, 6:32*am, jim3...@googlemail.com wrote:
On Nov 2, 3:59*am, "Mike Driscoll" <kyoso...@gmail.comwrote:
You probably want to create a Windows service with Python. There are
various ways to accomplish this.

Was considering a Windows service too, however would like to avoid
that as non-Admin users may not be able to do that. While I'm not
familiar with threading, I'm considering starting a seperate thread
and use a function such as os.pexec that hangs until the external
daemon .exe exists.
Check out the wx.lib.delayedresults option in the demo.

Since wx.App needs to run as the main thread, you might be able to run
your as the 'delayedresult'. As for the main frame of your app,
simply Hide()/Show() when it needs to be visible. When the wx.App
closes, the thread running the service will automatically shut down.

Other than that ... I think it is a bit more complicated and will
probably require asyncore and/or asynchat.
g.
Nov 3 '08 #4

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