[SciPy-user] storing numpy arrays

Conor Robinson conor.robinson@gmail....
Thu Mar 12 16:39:15 CDT 2009


Look into pytables.

On Thu, Mar 12, 2009 at 2:35 PM, Michael Hearne <mhearne@usgs.gov> wrote:

> I have a MySQL database, in which I would like to store a numpy array as
> a BLOB.  I'm trying to find out the easiest/most efficient way to
> store/extract this data.
>
> I looked at scipy.io.write_array, which looked somewhat promising, until
> I saw the notice that this method is deprecated in favor of numpy.savetxt.
>
> I could potentially use scipy.io.savemat/loadmat, but that would require
> writing to a binary (.mat file), then reading it back in again just to
> stuff it into the database.
>
> I could also use pickle, but I found a bug report somewhere that pickle
> may do strange things to the array in the process or reading or writing.
>
> Does anyone have any suggestions?
>
> Thanks,
>
> Mike
>
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Conor Robinson | Emergent Analytics, Inc.

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