> If you don't follow this reasoning, please write a counter-proposal > so that people have something to shoot down.
? i just wanted to be sure it was done on purpose, and what were the reasons for that. -tomer On 12/20/06, "Martin v. Löwis" <[EMAIL PROTECTED]> wrote: > tomer filiba schrieb: > > my question is, how come classes don't create cell variables, like > > normal functions? > > Not sure what you mean by "how come"? Why is the implementation > reacting as it is? Because the body of class is compiled as > a global code fragment, not as a nested one. > Or why is the implementation the way it is? For several reasons, > one being that classes predate nested functions. > > > was this done on purpose? > > Yes. Attributes defined inside a class are assumed to be accessed > through attribute access *only*. So you write > > self.foo() > > to invoke a method, instead of invoking > > foo() > > Python treats methods and data attributes uniformly, so the > same applies to data variables. > > > does it have to > > do with inheritance? if so, what's wrong with my "bar" version? > > It also has to do with inheritance. If you do self.foo, it looks > 1. in the object itself > 2. in the class of the object > 3. in the bases of the class of the object (recursively) > > It would be counter-intuitive if some things (i.e. things defined > in the class itself) could be accessed directly, whereas other things > (ie. attributes of the object itself, and things in the base classes) > would need to be accessed through qualification. It would also be > counter-intuitive if you find methods in an unqualified manner, > but then can't call them because you didn't give a self argument. > > If you don't follow this reasoning, please write a counter-proposal > so that people have something to shoot down. > > Regards, > Martin > _______________________________________________ Python-Dev mailing list Python-Dev@python.org http://mail.python.org/mailman/listinfo/python-dev Unsubscribe: http://mail.python.org/mailman/options/python-dev/archive%40mail-archive.com
