Pickling a class instead of an instance

harold fellermann harold.fellermann at upf.edu
Thu Jan 13 07:53:22 EST 2005

have a look at the thread "copying classes?" some days ago.
what goes for copying goes for pickling also, because the
modules use the same interface.

- harold -

On 13.01.2005, at 13:32, Sebastien Boisgerault wrote:

> Hi,
> It seems to me that it's not possible with the pickle module
> to serialize a class rather than an instance, as in
>>> from pickle import *
>>> class C(object):
>>>     "... doc ..."
>>>     a = 1
>>> pickstr = dumps(C)
> I mean, it does *something*, there is no error indeed, but
> from the string pickstr, I am unable to rebuild the class
> C in a brand new context (got a "you're really stupid, all
> you deserve is an AttributeError because you know there is
> no attribute 'C' in the 'module' object" error).
> Am I wrong ? Why would the "(new-style) classes are regular
> objects too" mantra not apply in this case ? Could we imagine
> a patch to the pickle module to handle this kind of situation ?
> SB
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