WANG Cong a écrit :
(snip)
>
> The point is why making metaprogramming easy is wonderful?
Because it makes life easier ?-)
> AND, even if
> it were wonderful, why only this one, i.e. creating attributes by
> assignments, not other things?
Like :
class Test(object):
a = 1
del Test.a
?-)
>>> 2) Metaprogramming should be distinguished with non-meta programming,
>>> like templates in C++, it is obvious to see if you are using template
>>> metaprogramming in C++.
>> Why should it be?
>
>
> It is, if you consider other things of metaprogramming in Python. For
> example, deleting an attribute.
cf above.
>>
>>> 3) Thus, allowing dynamic attribute creation by assignment _by default_
>>> is not a good design for me. It is not obvious at all to see if I am
>>> doing metaprogramming at a first glance.
>> Why do you care if you are doing metaprogramming? Perhaps other languages
>> make it seem difficult and scary, but in Python it is not. It is simple
>> and easy.
>>
>
>
> I do care, programming for a class is quite different from programming
> for a non-class,
Not when a class is just another ordinary object.
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