On May 11, 3:20 pm, Chris Rebert <c...@rebertia.com> wrote: > On Tue, May 11, 2010 at 12:08 PM, Back9 <backgoo...@gmail.com> wrote: > > On May 11, 3:06 pm, Back9 <backgoo...@gmail.com> wrote: > <snip> > >> When i try it, it complains about undefined self. > > >> i don't know why. > > >> TIA > > > Sorry > > here is the what i meant > > class test: > > self._value = 10 > > def func(self, pos = self._value) > > You're still defining the class, so how could there possibly be an > instance of it to refer to as "self" yet (outside of a method body)? > Also, just so you know, default argument values are only evaluated > once, at the time the function/method is defined, so `pos = > self._value` is never going to work. > > Do you mean for self._value to be a class variable (Java lingo: static > variable), or an instance variable? > > Cheers, > Chris > --http://blog.rebertia.com
self._value will be instance variable -- http://mail.python.org/mailman/listinfo/python-list
