On 10/24/2011 09:40 PM, Wes McKinney wrote:
On Mon, Oct 24, 2011 at 3:37 PM, Dag Sverre Seljebotn
<d.s.seljeb...@astro.uio.no> wrote:
On 10/24/2011 09:26 PM, Wes McKinney wrote:
I've been using
ndarray[uint8_t, cast=True] bool_arr
to work with dtype=bool arrays in Cython lately. When testing using
Python 2.5 / NumPy 1.6.1 on Windows, I'm getting "unknown dtype code
in numpy.pxd (0)". Everything works fine with Python 2.6/2.7 and NumPy
1.6.1. This is with Cython 0.15.1.
Any advice or do I have to (very unhappily) work around this?
Is this a recent bug in Cython? Try to bisect the the Cython release (and if
it turns out to be Cython, possible commit).
Dag Sverre
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I'll check the HEAD revision and bisect if I can, don't have a lot of
time-- it's just strange that it's Python 2.5 only.
So the difference between Python 2.5 and 2.6 is that in 2.5 the
__getbuffer__ in numpy.pxd will be called, whereas in Python 2.6, NumPy
is able to do the job itself. (PEP 3118)
Which means...that there's likely a bug in __getbuffer__ in numpy.pxd.
You can debug
If you do have time, that's the place to start inserting print
statements etc. to debug this.
It's difficult to say more without a copy&paste directly from your terminal.
Dag Sverre
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