[Numpy-discussion] segfault when pickling PyObject arrays
Paul F. Dubois
dubois1 at llnl.gov
Tue Jun 5 14:14:41 EDT 2001
Travis:
Works for me ....using either dump or dumps, load or loads
I used Numeric 20.1.0b1 / Python 2.1 / RedHat 6.2
On Tue, 05 Jun 2001, Tavis Rudd wrote:
> Hi,
> I've been having difficultly pickling arrays with the
> type PyObject using Numeric. I haven't tried it with
> MA but I assume the same problem exists.
>
> This script works
> =====================================
> from cPickle import dump, load
> from Numeric import array, PyObject
>
> def pickleIt(obj, fileName):
> fp = open(fileName, 'w')
> dump(obj, fp)
> fp.close
>
> def loadIt(fileName):
> fp = open(fileName, 'r')
> obj = load(fp)
> fp.close()
> return obj
>
> a = array(['abc', 'def', 'ghi'], PyObject)
> pickleIt(a, 'test.pickle')
>
> This script segfaults
> ====================================
> # ... same imports and func defs as above
> b = loadIt()
> print b
>
> ====================================
>
> I first noticed this when trying to pickle arrays constructed
> from lists of mx.DateTime objects.
>
> Numeric 19.1.0
> Python 2.1 final
> Linux 2.2.18
>
> Is this a reproduceable bug or something unique to my
> setup?
> Tavis
>
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