[Cython] cross project cimport

[Brian Granger]

On Tue, Jun 17, 2008 at 3:59 PM, Robert Bradshaw
<robertwb at math.washington.edu> wrote:
> Copying over the .pxd file should work fine (that's what they're for)
> but you should also be able to set an include directory.

But copying it over is a bit messy:

1) If mpi4py changes its pxd file, we have to re-copy it over.  Also,
when there are changes like this, it become very difficult for us to
write code that works under both versions.

2) The pxd file includes other things (mpi.pxi) that will also have to
be copied over.

It would be nice if mpi4py could install its MPI.pxd and mpi.pxi files
and then we could do:

cimport mpi4py.MPI

And that cython could resolve the paths simply based on the installed
location of mpi4py.  That might be too magic though.

Cheers,

Brian

> On Jun 17, 2008, at 12:56 PM, Brian Granger wrote:
>
>> Hi,
>>
>> I am wondering if cross project cimports will work or if any thought
>> has gone into making this work.  Basically, mpi4py has a pxd file I
>> need to cimport it in a completely different project.  One option is
>> to copy it over to the other project, but that is quite annoying as it
>> includes a bunch of pxi files and these would need to be copied over
>> as well.  Any thoughts on this?
>>
>> Thanks
>>
>> Brian
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