[wxPython-users] GetDefaultEditorForType(): Unknown data type name []

[Petr Hlávka]

On 7/31/07, Robin Dunn <robin at alldunn.com> wrote:
> Petr Hl=E1vka wrote:
> > Hello,
> >
> > after migration from wxPython 2.6.3.2 to 2.8.4.0 (and Python 2.3 to
> > 2.5) I encounter strange errors when operating with grid in my app. I
> > have own GridBaseTable and some registered custom grid types (for bool
> > values). Sometimes (usually only for random cells) I've got an
> > exception:
> >
> > attr =3D wx.grid.GridCellAttr()
> > File "C:\Python25\Lib\site-packages\wx-2.8-msw-unicode\wx\grid.py", lin=
e 513,
> > in __init__
> > _grid.GridCellAttr_swiginit(self,_grid.new_GridCellAttr(*args, **kwargs=
))
> > wx._core.PyAssertionError: C++ assertion "wxAssertFailure" failed at ..=
\..\src\g
> > eneric\grid.cpp(10223) in wxGrid::GetDefaultEditorForType(): Unknown da=
ta type n
> > ame []
> >
> > The GetTypeName method always returns non-empty value so this error is
> > quite strange for me. I'm not able to send the whole code here and
> > when I try to cut off some snips, everything works correctly...
> >
> > Have anyone similar problems or could someone point me to the root of
> > the problem.
>
> I'll really need a runnable sample for this to be able to track it down.
>   The wxGrid code is just too big to keep it in my head, I need to look
> at a backtrace in the debugger.
>

I managed to create a simple app which demonstrates the problem (on
WinXP). When I click any of the unchecked checkbox I've got error
message described earlier (it's generated during the GridCellAttr()
call. Could someone please take a look on the code.

   Thanks in advance, Petr.
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