What if we'd have metaclass semantics on module creation?
Eg, suppose the default:
__metaclass__ = ModuleType
What if Python would support __prepare__ for modules?
Thanks,
-- Ionel M.
On Sat, Nov 29, 2014 at 11:36 PM, Greg Ewing <greg.ewing at canterbury.ac.nz>
wrote:
> Guido van Rossum wrote:
>>> Are these really all our options? All of them sound like hacks, none of
>> them sound like anything the language (or even the CPython implementation)
>> should sanction.
>>>> If assignment to the __class__ of a module were permitted
> (by whatever means) then you could put this in a module:
>> class __class__(types.ModuleType):
> ...
>> which makes it look almost like a deliberate language
> feature. :-)
>> Seriously, of the options presented, I think that allowing
> __class__ assignment is the most elegant, since it solves
> a lot of problems in one go without introducing any new
> features -- just removing a restriction that prevents an
> existing language mechanism from working in this case.
>> --
> Greg
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