[Python-3000] Transitional GC?

["Martin v. Löwis"]

Talin schrieb:
> I wonder if there is a way to create an API for extension modules that 
> would allow a gradual phase-out of reference counting, towards a 'pure' GC.
> 
> (Let's leave aside the merits of reference counting vs. non-reference 
> counting for another thread - please.)
> 
> Most of the discussion up to this point has assumed that there's a sharp 
> line between the two GC schemes - in other words, once you switch over, 
> you have to migrate every extension module all at once.

I think this is a minor issue. Your approach assumes that moving to
a tracing GC will require module authors to change their code. Perhaps
that isn't necessary. It is difficult to tell, in the abstract, whether
your proposal works or not.

Regards,
Martin