[Numpy-discussion] Remove support for numeric and numarray in 1.8
Charles R Harris
charlesr.harris@gmail....
Sun Jan 6 18:42:30 CST 2013
On Sun, Jan 6, 2013 at 5:07 PM, Nathaniel Smith <njs@pobox.com> wrote:
> On Sun, Jan 6, 2013 at 10:36 PM, Charles R Harris
> <charlesr.harris@gmail.com> wrote:
> >
> >
> > On Sun, Jan 6, 2013 at 8:09 AM, Charles R Harris <
> charlesr.harris@gmail.com>
> > wrote:
> >>
> >>
> >>
> >> On Sun, Jan 6, 2013 at 7:42 AM, Nathaniel Smith <njs@pobox.com> wrote:
> >>>
> >>> On Sun, Jan 6, 2013 at 2:38 AM, Charles R Harris
> >>> <charlesr.harris@gmail.com> wrote:
> >>> > Thoughts?
> >>>
> >>> To be clear, what you're talking about is basically deleting these two
> >>> packages:
> >>> numpy.oldnumeric
> >>> numpy.numarray
> >>> plus the compatibility C API in
> >>> numpy/numarray/include
> >>> ?
> >>>
> >>
> >> Yep.
> >>
> >>>
> >>> So this would only affect Python code which explicitly imported one of
> >>> those two packages (neither is imported by default), or C code which
> >>> did #include "numpy/numarray/..."?
> >>>
> >>
> >> Those packages were intended to be an easy path for folks to port their
> >> numeric and numarray code to numpy. During the 2.4 discussion there was
> a
> >> fellow who said his group was just now moving their code from numeric to
> >> numpy, but I had the feeling they were rewriting it in the process.
> >>
> >>>
> >>> (I'm not even sure how you would build such a C module, these headers
> >>> are distributed in a weird directory not accessible via
> >>> np.get_include(). So unless your build system does some special work
> >>> to access it, you can't even see these headers.)
> >>>
> >>
> >> Never tried it myself. There is some C code in those packages and it
> easy
> >> to overlook its maintenance, so I'd like to solve the problem by nuking
> it.
> >>
> >
> > Oops. The proposal is to only remove numarray support. The functions in
> > oldnumeric have been taken over into numpy and we need to keep them.
>
> ...huh? The package name is mentioned nowhere in the numpy sources...
>
> ~/src/numpy/numpy$ find -type f | grep -Ev
> '^\./(numarray|oldnumeric)/' | xargs grep oldnumeric
> ./setupscons.py: config.add_subpackage('oldnumeric')
> ./bento.info: oldnumeric,
> ./core/setup.py: join('include', 'numpy', 'oldnumeric.h'),
> ./setup.py: config.add_subpackage('oldnumeric')
>
> ...and it's not even available unless a user explicitly does 'import
> numpy.oldnumeric' or 'import numpy.numarray', so no-one's using this
> stuff without knowing it:
>
> In [2]: import numpy
>
> In [3]: [m for m in sys.modules if m.startswith("numpy.oldnumeric")]
> Out[3]: []
>
>
Right. I mistakenly looked at numpy/core/fromoldnumeric.py. So yes, the
oldnumeric directory and include also.
Chuck
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