Why does 2.3a2 change "slots" in complex?

Terry Reedy tjreedy at udel.edu
Sat Mar 1 05:35:55 CET 2003

"David Mertz" <mertz at gnosis.cx> wrote in message
news:mailman.1046488322.24610.python-list at python.org...
> Our gnosis.xml.pickle package makes an effort to pickle various
> generally trying even harder than the standard pickle module.  In
> particular, we try to do sensible things with new-style classes that
> have slots, and that don't.

The standard pickle has (or will have) a new protocol added to do the

> One of the unit tests involves adding extra attributes to
descendents of
> standard data types.  It turns out, that test breaks with Python
> because of a change in the implementation of complex.

Looking at Sourceforge CVS, there was one small patch to
complexobject.c on Jan 29, first since Oct 5, that added .getnewargs()
.  Unclear how could have affected attribute setting.

Terry J. Reedy

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