On Wed, Nov 2, 2011 at 20:39, Michael Droettboom <md...@stsci.edu> wrote:
> I'm not able to reproduce this, but I've seen similar issues in the
> past. Can you tell me if this patch fixes it for you?
Nope, it doesn't.
> diff --git a/lib/matplotlib/backends/backend_gtk.py
> b/lib/matplotlib/backends/backend
> index 1012bbe..2efb72a 100644
> --- a/lib/matplotlib/backends/backend_gtk.py
> +++ b/lib/matplotlib/backends/backend_gtk.py
> @@ -556,6 +556,10 @@ class FigureManagerGTK(FigureManagerBase):
> self.window.destroy()
> if hasattr(self, 'canvas'):
> self.canvas.destroy()
> + del self.toolbar
> + del self.vbox
> + del self.window
> + del self.canvas
> self.__dict__.clear() #Is this needed? Other backends don't
> have it.
>
> if Gcf.get_num_fig_managers()==0 and \
>
>
> On 11/02/2011 01:23 PM, Sandro Tosi wrote:
>> Hi,
>>
>> On Wed, Nov 2, 2011 at 18:12, John Jameson<jwin...@gmail.com> wrote:
>>> In the meantime I notice that with MPL v1.1.0 the program crashes at the end
>>> a most of my old MPL example programs (I use the GTKAgg backend for all of
>>> them). A typical way to end the program is:
>>>
>>> gtk.main_quit()
>>>
>>> raise SystemExit
>>>
>>> and it crashes on the call the ''raise SystemExit". A typical output is
>>>
>>> /opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/matplotlib/backends/backend_gtk.py:552:
>>> GtkWarning: gtk_widget_unrealize: assertion `GTK_IS_WIDGET (widget)' failed
>>>
>>> self.toolbar.destroy()
>>>
>>> /opt/local/Library/Frameworks/Python.framework/Versions/2.6/lib/python2.6/site-packages/matplotlib/backends/backend_gtk.py:552:
>>> GtkWarning: gtk_widget_is_toplevel: assertion `GTK_IS_WIDGET (widget)'
>>> failed
>>>
>>> self.toolbar.destroy()
>>>
>> it happens also on Debian:
>>
>> $ python
>> Python 2.7.2+ (default, Oct 5 2011, 10:41:47)
>> [GCC 4.6.1] on linux2
>> Type "help", "copyright", "credits" or "license" for more information.
>>>>> import matplotlib
>>>>> matplotlib.use('GTKAgg')
>>>>> from matplotlib import pyplot as plt
>>>>> plt.plot((1,2), (2,4))
>> [<matplotlib.lines.Line2D object at 0x2f7e6d0>]
>>>>> plt.show()
>> /usr/lib/pymodules/python2.7/matplotlib/backends/backend_gtk.py:552:
>> GtkWarning: IA__gtk_widget_unrealize: assertion `GTK_IS_WIDGET
>> (widget)' failed
>> self.toolbar.destroy()
>> /usr/lib/pymodules/python2.7/matplotlib/backends/backend_gtk.py:552:
>> GtkWarning: IA__gtk_widget_is_toplevel: assertion `GTK_IS_WIDGET
>> (widget)' failed
>> self.toolbar.destroy()
>> Segmentation fault
>>
>> Cheers,
>
>
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--
Sandro Tosi (aka morph, morpheus, matrixhasu)
My website: http://matrixhasu.altervista.org/
Me at Debian: http://wiki.debian.org/SandroTosi
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