[Tutor] what's your name? (to a class)

[Steven D'Aprano]

On Thu, Jan 02, 2014 at 11:12:30AM +0100, spir wrote:
> Hello tutorians,
> 
> Am I missing something or don't classes know how they're called (unlike 
> funcs, which have a __name__ attribute, very practicle)? Is there a way to 
> get it otherwise?

py> type(42).__name__
'int'
py> class Spam:
...     pass
...
py> Spam.__name__
'Spam'

 
> The point is to have a super-type define a general __repr__ like eg:
> 
> class SuperType:
>     # ...
>     def __repr__ (sef):
>         return "%s(stuff)" % (self.__class__.__name__, stuff)

That works for me. Is there some reason you think it doesn't work?


> But I need each class to know its name. Subtypes are actually defined by 
> users (of a lib), presently they are forced to write the name explicitely, 
> which is stupid since they already give it as var name:
> 
> class SubType (SuperType):
>     __name__ = "SubType"

Completely unnecessary.

py> class Ham(Spam):
...     pass
...
py> Ham.__name__
'Ham'


I think maybe you've made an error somewhere and are misinterpreting 
what you are seeing.



-- 
Steven