On 15 September 2011 15:41, Matthew Pounsett <matt.pouns...@gmail.com> wrote:
> On Sep 15, 1:35 am, Chris Rebert <c...@rebertia.com> wrote:
>> Override __new__() instead:
>> http://docs.python.org/reference/datamodel.html#object.__new__
>
> Aha.. thanks! The reference book I'm working from neglects to mention
> __new__, so I'd assumed __init__ was the constructor. It hadn't
> occurred to me that python would separate the functions (I still don't
> see exactly why it would be useful to do that, but perhaps insight
> will come with time).
If you're interested in the reason, I suggest you read Guido's essay
on "new style classes" which were introduced in Python 2.2 (and are
now a good 10 years old I think):
http://www.python.org/download/releases/2.2.3/descrintro
--
Arnaud
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