[Numpy-discussion] basic python questions
Robert Kern
robert.kern at gmail.com
Wed Apr 4 22:35:17 EDT 2007
Bill Baxter wrote:
> On 4/5/07, Robert Kern <robert.kern at gmail.com> wrote:
>> Bill Baxter wrote:
>>> Ok, I got another hopefully easy question:
>>>
>>> Why this:
>>> class Point(object):
>>> ...
>>>
>>> Instead of the style that's used in the Python tutorial in the
>>> 'classes' chapter:
>>> class Point:
>>> ...
>> Because the former make new-style classes and the latter make old-style classes.
>> It's not an issue of personal preference: they are somewhat different object
>> models and there are things that old-style classes can't do. As HasTraits is
>> also a new-style class, there's no point in using old-style classes in this
>> tutorial.
>
> What's the difference in the object models? I'm surprised that the
> Python tutorial seems to be completely silent on this issue.
> (http://docs.python.org/tut/node11.html)
http://www.python.org/doc/newstyle.html
--
Robert Kern
"I have come to believe that the whole world is an enigma, a harmless enigma
that is made terrible by our own mad attempt to interpret it as though it had
an underlying truth."
-- Umberto Eco
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