tobiah wrote:
> I should have made it more clear that Foo is a class:
>
>
> class Foo:
>
> def __init__(self, *args):
>
> for arg in args:
> if is_fruit(arg):
> del(self)
>
>
>
> tobiah wrote:
> > Suppose I do:
> >
> >
-*> > myfoo = Foo('grapes', 'oranges')
> >
> > And in the __init__() of Foo, there is
> > a real problem with the consumption of fruit.
> > Is there a clean way to ensure that myfoo
> > will be None after the call? Would the
> > __init__() just do del(self), or is there
> > a better way to think about this?
> >
Yes. Raise an exception, with details of what the problem is -- which
arg? what (out of multiple possible problems) is wrong with it?
if self.is_fruit(arg):
raise FooError("I don't eat fruit: %r" % arg)
if self.some_other_problem(arg):
raise FooError("Some other problem: %r" % arg)
HTH,
John
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