[PyKDE] Direction of output

Eron Lloyd elloyd at lancaster.lib.pa.us
Wed Feb 18 20:11:01 GMT 2004

Sounds like you're seeking some kind of IPC... depending on your environment, 
you probably want to look into something like CORBA, COM, or KDE's DCOP. If 
you are writing all applications, sockets should work. Otherwise, it would 
get complicated rather quickly as you'd have to interface with a totally 
autonomous app, which would need some sort of interface. I suppose SOAP was 
supposed to fix all this...

Good luck,


On Tuesday 17 February 2004 10:44 pm, ml at www.prostatepointers.org wrote:
> >> Suppose you have a simple pyqt window with two buttons: button 1 prints
> >> the message "message 1" to stdout.  button 2 prints the message
> >> "message 2" to stdout.
> >>
> >> Ok, open two apps, say xedit and konqueror and direct konqueror to a
> >> form.
> >> In a third window, start your pyqt app.  How do you cause the action
> >> of button 1 to be directed to xedit and button 2 to be directed to the
> >> konqueror form?
> >>
> >> If not stdout, how do you accomplish this?
> >
> > You could write the messages from button 2 to stderr or to a named pipe
> > (fifo).
> >
> > regards
> > Roland
> Thanks for the reply, Roland.  In my (above) example, I really don't know
> which apps will be running, so I can't pipe the output to the app unless
> there is a way to grab the name of the app when I focus its window. (I
> don't know how to do this.)  Further, stdout goes to the window where the
> python app starts, not the application window that I focus prior to
> clicking on button 1 or 2.
> When I focus an app window, is there a simple way to grab the app name?
> If so, as you suggested, perhaps a pipe would work.
> Thanks,
> gary
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