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Tue Jun 5 04:43:09 CEST 2012 · https://mail.python.org/pipermail/python-dev/2012-June/119891.html

On Mon, Jun 4, 2012 at 6:10 PM, PJ Eby <pje at telecommunity.com> wrote:
> I mean that class-level __metaclass__ is no longer supported as of PEP 3115,
> so I can't use that as a way to non-invasively obtain the enclosing class at
> class creation time.

Depends on what you mean by non-invasive:

* http://code.activestate.com/recipes/577813/
* http://code.activestate.com/recipes/577867/

-eric

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Showing content from https://mail.python.org/pipermail/python-dev/2012-June/119891.html below:

[Python-Dev] Possible rough edges in Python 3 metaclasses (was Re: Language reference updated for metaclasses)