[Numpy-discussion] Numpy save / load

Vishal Rana ranavishal@gmail....
Mon Jun 21 13:52:07 CDT 2010


Thanks Robert


On Mon, Jun 21, 2010 at 11:47 AM, Robert Kern <robert.kern@gmail.com> wrote:

> On Mon, Jun 21, 2010 at 13:40, Vishal Rana <ranavishal@gmail.com> wrote:
> > I have tried:
> > x1=np.array([1,2,3,4])
> > x2=np.array(['a','dd','xyz','12'])
> > x3=np.array([1.1,2,3,4])
> > r = np.core.records.fromarrays([x1,x2,x3],names='a,b,c'
>
> Note, please do not reach down into numpy.core like this. Use
> numpy.core.records is exposed as numpy.rec.
>
> > type(r) gives <class 'numpy.core.records.recarray'>
> > np.save('np.npy', r)
> > r = np.load('np.npy')
> > type(r) gives  <type 'numpy.ndarray'>
> > So my record is lost and converted to ndarray, any idea?
>
> If you really need a recarray, then use r.view(numpy.rec.recarray).
>
> --
> Robert Kern
>
> "I have come to believe that the whole world is an enigma, a harmless
> enigma that is made terrible by our own mad attempt to interpret it as
> though it had an underlying truth."
>  -- Umberto Eco
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