[IPython-dev] [matplotlib-devel] IPython proposal: getting rid of "ipython -pylab\-wthread\etc."

Brian Granger ellisonbg.net@gmail....
Thu Jul 16 14:27:15 CDT 2009


OK, I just found this thread that shows how to set PyOS_InputHook from
ctypes:

http://osdir.com/ml/python.ctypes/2006-12/msg00045.html

I tried it and it works fine.  This will simplify the transition a lot.  I
will develop some pure ctypes prototypes for the various toolkits and then
folks can begin to try this out.

Cheers,

Brian

On Thu, Jul 16, 2009 at 12:13 PM, Brian Granger <ellisonbg.net@gmail.com>wrote:

> I tried ctypes first, but with no luck.  Here is what I tried:
>
> >>> import readline
> >>> import ctypes
> >>> ctypes.pythonapi.PyOS_InputHook
> <_FuncPtr object at 0x76420>
> >>> def my_callback():
> ...   print "In am here"
> ...   return 0
> ...
> >>> cbf = ctypes.CFUNCTYPE(ctypes.c_int)(my_callback)
> >>> cbf
> <CFunctionType object at 0x769d0>
> >>> ctypes.pythonapi.PyOS_InputHook = cbf
>
> Do you see anything wrong with this?
>
> I should probably try it again to see if I can make it work though.
>
> Cheers,
>
> Brian
>
>
> On Thu, Jul 16, 2009 at 11:35 AM, Robert Kern <robert.kern@gmail.com>wrote:
>
>> On 2009-07-16 13:11, Ville M. Vainio wrote:
>> > On Thu, Jul 16, 2009 at 9:06 PM, Brian Granger<ellisonbg.net@gmail.com>
>>  wrote:
>> >
>> >> I am fully aware that some environments upgrade things like GUI
>> toolkits
>> >> over very long time scales.  More important - there isn't a released
>> version
>> >> of wx that has these capabilities in it.  It will be a long time before
>> >
>> > I thought you were able to make wx work with a cython-based
>> > PyOS_InputHook extension. Possibly a C-based extension could fix this
>> > issue for users of old wx versions?
>>
>> Or even just a bit of ctypes?
>>
>> --
>> Robert Kern
>>
>> "I have come to believe that the whole world is an enigma, a harmless
>> enigma
>>  that is made terrible by our own mad attempt to interpret it as though it
>> had
>>  an underlying truth."
>>   -- Umberto Eco
>>
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>>
>
>
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