On Apr 19, 3:12 pm, 7stud <[EMAIL PROTECTED]> wrote:
> On Apr 19, 5:37 am, Steve Holden <[EMAIL PROTECTED]> wrote:
>
>
>
> > It's nothing to do with the name lookup. Alex mentioned that to remind
> > us that the magic "double-under" names are looked up on the type rather
> > than the instance...
>
> P.next()
>
> vs.
>
> type(P).next()
>
> Where is the "double-under" name?
The following example looks up next() in the instance not the class:
class Parrot(object):
def __init__(self):
self.next = lambda: "hello"
def __iter__(self):
return self
def next(self):
yield "goodbye"
raise StopIteration
p = Parrot()
_t = iter(p)
print _t.next()
-----output: ----
hello
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