[Pyrex] experiences with numpy array import/export in pyrex

Lenard Lindstrom len-l at telus.net
Wed May 3 17:18:03 CEST 2006


I haven't. But when I installed numpy I noticed there is a Pyrex 
section in the numpy doc that has an example as well as two .pyd 
files that delcare the numpy C api.

Lenard Lindstrom
<len-l at telus.net>

On 3 May 2006 at 15:09, Chris Bartels wrote:

> 
> Hi,
> 
> I was curious if there are people who have tried numpy/pyrex in such 
> a way that they could dynamically export arrays into python.
> 
> What I had in mind was a pyrex function which takes a number of numpy 
> arrays as input (images of a video sequence). Then manipulate the 
> array data (fast) by use of a pointer to the raw array data. And 
> output a number of newly allocated arrays (filled and allocated in C 
> of course, but returning python numpy objects).
> 
> This means creating new numpy arrays and associated buffers by use of 
> malloc and then exporting these into numpy python arrays.. quite 
> difficult...
> 
> Anyone?
> 
> Y.S.,
> Chris





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