[Python-Dev] Making proxy types easier to write and maintain
Eric Snow
ericsnowcurrently at gmail.com
Mon Mar 31 20:53:17 CEST 2014
On Wed, Mar 19, 2014 at 12:46 PM, 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?
Regardless of the attr lookup in the interpreter, it would be nice to
have a standardized explicit __proxied__ attribute on proxy objects
(similar to __wrapped__).
-eric
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