On 01/18/2011 08:13 PM, Jed Ludlow wrote:
> Please forgive me if I'm raising a heretical question with this since I
> understand the topic of competing Qt bindings for Python gets a little
> touchy in and of itself. Nonetheless, the elephant is in the room. I
> searched the archives and found only a few comments on the subject:
> matplotlib-us...@lists.sourceforge.net/msg18652.html"
target="_new">http://www.mail-archive.com/matplotlib-users@lists.sourceforge.net/msg18652.html>
> Has there been any additional discussion among the developers about
> creating a formal backend for Pyside?
Its actually a fairly easy to get the PyQt backend working with PySide.
It would have been laughably easy if not for a couple of bugs in PySide
that took awhile to track down.
To get it working PySide working you need to:
* Obviously replace the reference to PyQt with PySide
* Remove the reference to PyQt/Pyside.Qt and Qt.qApp by replacing it
with QtGui.qApp (I think this is already done in the most recent
Git version)
* Replace the toolbar message signal with a new style signal by:
o adding 'message = QtCore.Signal(str)' to the
NavigationToolbar2QT class definition
o replacing: QtCore.QObject.connect(self.toolbar,
QtCore.SIGNAL("message"),
self.window.statusBar().showMessage)
with:self.toolbar.message.connect(self.window.statusBar().showMessage)
o replacing: self.emit(QtCore.SIGNAL("message"), s)
with: self.message.emit(s)
* Work around the PySide bug with QImage and convert the string
passed from the Agg backend into a python buffer with
buffer(stringBuffer) or wait for PySide to fix bug 489.
* Work around a PySide bug (738) by creating functions to perform
the slider.setMaxiumum/setMinimum tasks or ignore the runtime
errors for now and wait for a bug fix.
* I haven't bothered with the figure options editor at this point -
I just commented out the references to it.
It might also be a good idea to convert all the signals/slots into the
new style but it seems to work just fine with only the above changes.
Regards,
Gerald.
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