[Python-Dev] Module cleanup improvement

["Martin v. Löwis"]

> On another level, would there be interest here for me to revive my old
> attempt at throwing away this messy procedure, which only made sense in
> a world where reference cycles couldn't be broken?

I definitely think Py3k, at least, should use such an approach -
especially with PEP 3121, which should allow to incorporate
variables stored in extension module's "globals" to participate
in GC.

Regards,
Martin