On Mar 5, 2:31 am, "Raymond Hettinger" <[EMAIL PROTECTED]> wrote:
> I had an idea but no time to think it through. > Perhaps the under-under name mangling trick > can be replaced (in Py3.0) with a suitably designed decorator. > Your challenge is to write the decorator. > Any trick in the book (metaclasses, descriptors, etc) is fair game. > > Raymond > > -------- how we currently localize method access with name mangling > ------ > class A: > def __m(self): > print 'A.__m' > def am(self): > self.__m() > > class B(A): > def __m(self): > print 'B.__m' > def bm(self): > self.__m() > > m = B() > m.am() # prints 'A.__m' > m.bm() # prints 'B.__m' > > -------- how I would like to localize method access with a decorator > ------ > class A: > @localmethod > def m(self): > print 'A.m' > def am(self): > self.m() > > class B(A): > @localmethod > def m(self): > print 'B.m' > def bm(self): > self.m() > > m = B() > m.am() # prints 'A.m' > m.bm() # prints 'B.m' > > --------------------- > > P.S. Here's a link to the descriptor how-to: > http://users.rcn.com/python/download/Descriptor.htm What would the semantics be if m is decorated as local only in A or only in B ? George -- http://mail.python.org/mailman/listinfo/python-list
