[Python-projects] PyQonsole as a Widget
Sylvain Thénault
sylvain.thenault at logilab.fr
Fri Mar 9 13:53:37 CET 2007
On Thursday 08 March à 14:03, Chad Brantly wrote:
>
> On Mar 7, 2007, at 3:48 AM, Sylvain Thénault wrote:
>
> >On Tuesday 06 March à 13:49, chadsjunkmail at mac.com wrote:
> >>I did a little more investigation. See my results below:
>
> >>>2) When we close down a shell, we get the following "Bad file
> >>>descriptor" error:
> >>>
> >>>> File "/usr/pkg/lib/python2.4/site-packages/pyqonsole/
> >>>>procctrl.py", line 203,
> >>>>in slotDoHousekeeping
> >>>> process.processHasExited(status)
> >>>> File "/usr/pkg/lib/python2.4/site-packages/pyqonsole/pty_.py",
> >>>>line 285, in
> >>>>processHasExited
> >>>> self.commClose()
> >>>> File "/usr/pkg/lib/python2.4/site-packages/pyqonsole/pty_.py",
> >>>>line 328, in
> >>>>commClose
> >>>> fcntl(self.out[0], F_SETFL, os.O_NONBLOCK)
> >>>>IOError: [Errno 9] Bad file descriptor
> >>>>QSocketNotifier: invalid socket 6 and type 'Read', disabling...
> >>
> >>Similarly, it appears that the code is trying to flush a file that
> >>does not exist. Should there be a check to make sure the file exists
> >>before trying to flush it?
> >
> >hum, this one sound weird. Don't you have a little test case
> >demonstrating the problem ?
>
> Yes...If you just run pyqonsole and type exit in the shell you will
> see the same error. It seems like it isn't flushing properly when
> you exit a shell. Also, is there a way to pass a signal from
> pyqonsole back to Qt when someone exits a shell? Our consoles are
> embedded in a QTabWidget, and we would like to close that tab when a
> user exits the shell. If needed, I could write a little test case to
> demonstrate what we want.
actually I can't reproduce this. Which platform are you using ? A test
case would be welcome anyway.
> >>>Also, what is the proper way to change the foreground/background
> >>>colors of the console? We have tried several things, and have been
> >>>able to change the colors by altering the Pyqonsole source, but we
> >>>really need to be able to set the colors at runtime.
> >
> >well, it's actually not easy right now and would need some refactoring
> >to be able to do so. Unfortunatly we don't have much time to spend on
> >pyqonsole at Logilab for the moment. Patches are welcome though ;)
>
> Did you have any ideas about where to start on this? We would be
> happy to help contribute.
it seems that actually the main thing missing is a proper api to change
entries of the color_table attribute of the Widget class. There may be
other problems I don't think about right now though, but we may help if
needed.
--
Sylvain Thénault LOGILAB, Paris (France)
Formations Python, Zope, Plone, Debian: http://www.logilab.fr/formations
Développement logiciel sur mesure: http://www.logilab.fr/services
Python et calcul scientifique: http://www.logilab.fr/science
More information about the Python-Projects
mailing list