On Sat, May 7, 2011 at 5:31 AM, Claudiu Popa <cp...@bitdefender.com> wrote: > Hello Python-list, > > I have an object which defines some methods. I want to join a list or > an iterable of those objects like this: > > new_string = "|".join(iterable_of_custom_objects) > > What is the __magic__ function that needs to be implemented for > this case to work? I though that __str__ is sufficient but it doesn't > seems to > work. Thanks in advance.
You need to do the string conversion yourself; .join() doesn't do it for you, due to strong typing. It only accepts iterables of strings: new_string = "|".join(str(x) for x in iterable_of_custom_objects) Cheers, Chris -- http://rebertia.com -- http://mail.python.org/mailman/listinfo/python-list