You can using metaclasses (untested): >>>class MyMetaClass(type): >>> def __iter__(self): >>> return [1, 2, 3, 4]
>>>class MyClass(object): >>> __metaclass__ = MyMetaClass >>>for value in MyClass: >>> print value 1 2 3 4 Chris On Tue, Aug 9, 2011 at 2:43 PM, Gelonida N <gelon...@gmail.com> wrote: > Hi, > > I am just curious. There is no real use case: > > If I have a class and I want that its instances are iterable I can just > add a class metohod named __iter__() > > > example: > > class MyClass(object): > def __iter__(self): > for val in range(10): > yield val > > > this allows me to do: > myobj = MyClass() > for val in myobj: > print val > > > Now I wondered whether there is any way to implement a class such, that > I can write > > > for val in MyClass: > print val > > I know I can implement a classmethod (e.g myclassmethod() ) and write: > > for val in MyClass.myclassmethod(): > print val > > but I wondered whether classed can be made iterable > > Thanks in advance for your answers. > > -- > http://mail.python.org/mailman/listinfo/python-list >
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