I'd personally be happy to move on to wxPython 2.8 but I'm using
enthought's matplotlib egg, which apparently requires enthought's
wxPython egg, and that's still at version 2.6.
--bb
On 4/12/07, Christopher Barker <Chris.Barker@...> wrote:
> Hi all,
>
> The world of wxAgg and versions of wxPython has been a big pain for a
> while. I've been poking around trying to get MPL working with wxPython
> on OS-X with wxPython2.8, and it's been far too much work.
>
> However, Ken McIvor has apparently solved the problem. Unfortunately, he
> committed the changes on Feb 22, and it looks like the 0.90.0 release
> was done on Feb 6. Darn.
>
> My understanding of the changes is:
>
> There is now code in backend_wxagg.py that uses methods to create and
> manipulate wx.Bitmaps that is new to wxPython2.8. This should make the
> old accelerator code obsolete.
>
> At runtime, the code determines if you are running >2.8, and if so, uses
> the new code. If not, it reverts to the old code, which checks for the
> accelerator, uses it if it's there, and uses the pure-python
> non-accelerated code if not.
>
> So -- this should allow one to build a single executable that will work
> well with wxPython 2.6, 2.8 and future wxPythons.
>
> Personally, I think we should just drop the accelerator altogether. If
> someone needs better performance, let them use wxPython2.8 ( I think
> there is some room for improvement in the pre-2.8 python code too -- you
> could build the wxImage from a buffer, rather than a string, saving one
> data copy).
>
> If the accelerator is dropped, then the whole build process gets easier.
>
> If people want to keep the accelerator, I wrote some code for
> setup_ext.py that checks what version of wx you have installed, and
> finds the wx-config that matches it. It could be adapted a bit to try to
> build only a wxPython2.6 version, and not try to build a 2.8 version,
> which fails at this point.
>
> So, with a bit more testing and tweaking, we could get this all settled.
>
> What's the consensus on keeping the accelerator?
>
> Is it worth putting out a point release with these fixes?
>
>
> -Chris
>
>
>
> --
> Christopher Barker, Ph.D.
> Oceanographer
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>
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