Le 25/02/2012 22:59, John Hunter a écrit :
On Sat, Feb 25, 2012 at 1:54 PM, Benjamin Root <ben.r...@ou.edu> wrote:
>
>> > I would be interested in accelerating the schedule. Since this is a
>> > bug-fix release and not a major release, we can presume the tree is
>> > pretty stable. How about we aim for an release candidate rc1 the
>> > week after next? Are there any issues or pull requests that should
>> > hold the release? If so, let's tag them with release-critical.
>> >
>> > After we get the bugfix out I'd like to gear up for a major python3
>> > release.
>> >
>> >
>> > The QT4 event handling bugs needs a qt expert on them. I tried looking
>> > into them and there is no obvious reason to me why they aren't working.
>>
>> Are you referring to 771, 707, and 525? 771 would appear to be the
>> most urgent.
>
>
> 711 and 707. Didn't even notice 525, but it is probably related to
> 707. If true, then 707 and 525 are likely focus issues (maybe
> window-manager dependent?). 711 definitely seem to be release blocking.
>
>
Hi Pierre, we are still having trouble with the close event in mpl figure
windows not being emitted. I see you posted on this subject in 2009 and
did some monkey patching to work around the problem for spyder
http://old.nabble.com/Qt4-backend%3A-critical-bug-with-PyQt4-v4.6%2B-td26205716.html
This was a while ago so I don't know if your suggestions are still
appropriate for recent pyqt and mpl. Would you have a minute to take a
look at this mpl issue
https://github.com/matplotlib/matplotlib/issues/711
and advise us on a fix?
Thanks,
JDH
Hi John,
Replacing this (backend_qt4.py, class "FigureCanvasQT", line 141):
QtCore.QObject.connect(self, QtCore.SIGNAL('destroyed()'),
self.close_event)
by this:
QtCore.QObject.connect(self, QtCore.SIGNAL('destroyed()'),
lambda: self.close_event())
will solve this issue.
The reason is that PyQt fails (silently) to call a method of this object
just before detroying it. Using a lambda function will work, exactly the
same as using a function (which is not bound to the object to be destroyed).
Side note: I'm not sure that it's the intended behavior for PyQt...
HTH,
Pierre
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