[Numpy-discussion] Clarification sought on Scipy Numpy version requirements.
Ralf Gommers
ralf.gommers at gmail.com
Sun Jun 21 11:57:04 EDT 2015
On Sun, Jun 21, 2015 at 5:45 PM, Charles R Harris <charlesr.harris at gmail.com
> wrote:
>
>
> On Sun, Jun 21, 2015 at 9:31 AM, Ralf Gommers <ralf.gommers at gmail.com>
> wrote:
>
>>
>>
>> On Sun, Jun 21, 2015 at 5:13 PM, Charles R Harris <
>> charlesr.harris at gmail.com> wrote:
>>
>>>
>>>
>>>
>>> On Sun, Jun 21, 2015 at 7:14 AM, Ralf Gommers <ralf.gommers at gmail.com>
>>> wrote:
>>>
>>>>
>>>>
>>>> On Fri, Jun 19, 2015 at 11:52 PM, Charles R Harris <
>>>> charlesr.harris at gmail.com> wrote:
>>>>
>>>>>
>>>>>
>>>>> On Fri, Jun 19, 2015 at 3:05 PM, Sturla Molden <
>>>>> sturla.molden at gmail.com> wrote:
>>>>>
>>>>>> Charles R Harris <charlesr.harris at gmail.com> wrote:
>>>>>>
>>>>>> > I'm looking to change some numpy deprecations into errors as well
>>>>>> as remove
>>>>>> > some deprecated functions. The problem I see is that
>>>>>> > SciPy claims to support Numpy >= 1.5 and Numpy 1.5 is really,
>>>>>> really, old.
>>>>>> > So the question is, does "support" mean compiles with earlier
>>>>>> versions
>>>>>> > of Numpy ?
>>>>>>
>>>>>> It means there is a Travis CI build with NumPy 1.6.2. So any change
>>>>>> to the
>>>>>> SciPy source code must compile with NumPy 1.6 and any later version of
>>>>>> NumPy.
>>>>>>
>>>>>> There is no Travis CI build with NumPy 1.5. I don't think we know for
>>>>>> sure
>>>>>> if it is really compatible with the current SciPy.
>>>>>>
>>>>>
>>> There is still a reference to 1.5 in Scipy, I forget where.
>>>
>>
>> In INSTALL.rst.txt, will fix that now.
>>
>>
> Ralf, I cannot compile Scipy 0.13.3 on my system, it seems to fail here
>
> Error compiling Cython file:
> ------------------------------------------------------------
> ...
> # and object. In this file, only NULL is passed to these parameters.
> cdef extern from *:
> cnp.ndarray PyArray_CheckFromAny(object, void*, int, int, int, void*)
> cnp.ndarray PyArray_FromArray(cnp.ndarray, void*, int)
>
> from . cimport cython_blas as blas_pointers
> ^
> ------------------------------------------------------------
>
> _decomp_update.pyx:60:0: 'cython_blas.pxd' not found
>
>
> Although it is hard to tell, the traceback doesn't give much useful
> information. I suspect this is due to a cython version mismatch, as it
> seems to be looking for cython_blas.pxd but only cython_blas.c is
> available. Have you seen this before?
>
>
That's code that was only introduced for 0.16.x; a ``git clean -xdf``
should fix this for you.
Next obstacle: I think it'll fail with Cython 0.22, you'll need a lower
Cython version (probably around 0.19.x).
Ralf
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