[pypy-dev] pickle numpy array from pypy to cpython?

[David Brochart]

Last time I tried tofile and fromfile in Numpypy it was not implemented.

On Fri, Jun 24, 2016 at 7:01 AM, Eli Stevens (Gmail) <wickedgrey at gmail.com>
wrote:

> No, since it's not *just* a numpy array I need to move around (dict
> with numpy values, in this case, more complicated objects in the
> future). Obviously I can kludge something manual together (assuming
> the tofile/fromfile functions work cross-interpreter, which I wouldn't
> take for granted at this point), but I'd rather be able to use pickle
> (easier to work with libraries that also expect pickles, etc.).
>
> Eli
>
> On Thu, Jun 23, 2016 at 7:54 PM, William ML Leslie
> <william.leslie.ttg at gmail.com> wrote:
> > On 24 June 2016 at 12:14, Eli Stevens (Gmail) <wickedgrey at gmail.com>
> wrote:
> >> I'm trying to construct some data that includes numpy arrays in pypy,
> >> pickle it, then unpickle it in cpython (to use some
> >> non-pypy-compatible libs).
> >>
> >> However, the actual class of the pickled array is _numpypy.multiarray,
> >> which cpython doesn't have.
> >>
> >> Any suggestions?
> >
> > Have you considered the tofile method and fromfile function?
> >
> >
> http://docs.scipy.org/doc/numpy/reference/generated/numpy.ndarray.tofile.html#numpy.ndarray.tofile
> >
> >
> http://docs.scipy.org/doc/numpy/reference/generated/numpy.fromfile.html#numpy.fromfile
> >
> > --
> > William Leslie
> >
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