Re: [Matplotlib-users] wxPython Phoenix - backend_wxagg

Would you mind submitting this as a pull request?

Mike

On 04/27/2013 06:23 PM, Werner F. Bruhin wrote:
> Hi Michael,
>
> On 26/04/2013 14:40, Michael Droettboom wrote:
>> On 04/26/2013 02:57 AM, Werner F. Bruhin wrote:
>>> Hi,
>>>
>>> Anyone can provide some info on what "agg.buffer_rgba" returns and 
>>> maybe
>>> even some suggestion on how to resolve this issue in the wxagg backend.
>> It returns a Python buffer object on Python 2, though on Python 3 it is
>> a memoryview, since buffer was deprecated.  Perhaps wx is also doing
>> something different depending on the version of Python.
> As of Phoenix 2.9.5.81-r73873 matplot works with Phoenix, here is 
> Robin Dunn's comment to the change he did on Phoenix with regards to 
> the buffer handling.
>
> Quote
>
> The new buffer APIs go as far back as 2.6, IIRC, and the memoryview 
> and bytearray object types are available in 2.7 in addition to 3.x and 
> that I what I'm using in Phoenix.  I would have expected MPL to do so 
> also since numpy is an integral part of MPL and the new buffer 
> interface was basically designed for and by numpy...
>
> Anyway, while double checking all this I realized that it would not be 
> hard for me to accept old or new buffer objects for source buffers 
> (I'll still use memoryviews or bytearrays when on the producer side of 
> things) so try again after the next snapshot build.  My unittests with 
> array.arrrays started working after the change so I expect that MPL's 
> rgba buffer should work too.
>
> EndQuote
>
> Enclosed is the patch for backend_wx.py and for embedding_in_wx5.py 
> which I used for testing, in the later I use wxversion.select to force 
> selection of a particular version - I think the distribution should 
> still just use ensureMinimal.
>
> FYI, documentation for wxPython Phoenix are here:
> http://wxpython.org/Phoenix/docs/html/index.html
>
> And snapshots can be found here:
> http://wxpython.org/Phoenix/snapshot-builds/
>
> I tested only on Python 2.7.2 on Windows 7.
>
> Werner
>
>
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