Bengt Richter wrote: > On Fri, 04 Nov 2005 10:28:52 -0500, Christopher Subich <[EMAIL PROTECTED]> > wrote:
>>is very much within the language specification. Indeed, the language >>specification dictates that an instance variable b.a is created if one >>didn't exist before; this is true no matter if type(b.a) == int, or if >>b.a is some esoteric mutable object that just happens to define >>__iadd__(self,type(other) == int). > > But if it is an esoteric descriptor (or even a simple property, which is > a descriptor), the behaviour will depend on the descriptor, and an instance > variable can be created or not, as desired, along with any side effect you > like. Right, and that's also language-specification. Voodoo, yes, but language specification nonetheless. :) -- http://mail.python.org/mailman/listinfo/python-list
