[Python-Dev] Making proxy types easier to write and maintain

[Paul Moore]

On 19 March 2014 18:46, Antoine Pitrou <solipsis at pitrou.net> wrote:
> In http://bugs.python.org/issue19359#msg213530 I proposed to introduce a "proxy
> protocol" (__proxy__ / tp_proxy) that would be used as a fallback by
> _PyObject_LookupSpecial to fetch the lookup target, i.e.:
>
> def _PyObject_LookupSpecial(obj, name):
>     tp = type(obj)
>     try:
>         return getattr(tp, name)
>     except AttributeError:
>         return getattr(tp.tp_proxy(), name)
>
> What do you think?

Would that increase the size of type objects? Would that matter?
(There's a similar question that came up in the thread about adding
the @ operator over on python-ideas, which is what made me think of
it...)
Paul