[Cython] planning for 0.17

[Stefan Behnel]

mark florisson, 27.06.2012 11:54:
> if anyone would like to pick up the  release for 0.17, I'd be much
> obliged.

I think I can handle it. :)


> I can't test it right now, but I don't understand the following in the
> release notes (regarding array.array): "Note that only the buffer
> syntax is supported for these arrays. To use memoryviews with them,
> use the buffer syntax to unpack the buffer first.". Why is that, it
> implements __getbuffer__ right? So it shouldn't matter whether you use
> memoryviews or buffer syntax, both use __Pyx_GetBuffer().

The problem is that arrayarray.pxd is only used when the exporter is typed.
This means that you can't do this:

    def func(int[:] arr): pass

    func(array.array('i', [1,2,3]))

but it will work if func() is defined like this:

    def func(array.array arr):
        cdef int[:] view = arr

I admit that the wording in the release notes is wrong, I wrote it because
I initially thought that you had to do this:

    def func(array.array[int] arr):
        cdef int[:] view = arr

But no, you don't have to use the buffer interface, you just have to type
the variable. I'll update the release notes.

Works better in Py3, obviously.

Stefan