On Jul 11, 8:20 pm, "[EMAIL PROTECTED]"
<[EMAIL PROTECTED]> wrote:
> On Jul 11, 4:21 pm, [EMAIL PROTECTED] wrote:
>
>
>
> > I'd like to implement a subclass of string that works like this:
>
> > >>>m = MyString('mail')
> > >>>m == 'fail'
> > True
> > >>>m == 'mail'
> > False
> > >>>m in ['fail', hail']
>
> > True
>
> > My best attempt for something like this is:
>
> > class MyString(str):
> > def __init__(self, seq):
> > if self == self.clean(seq): pass
> > else: self = MyString(self.clean(seq))
>
> > def clean(self, seq):
> > seq = seq.replace("m", "f")
>
> > but this doesn't work. Nothing gets changed.
>
> What about subclassing str and redefining __eq__:
>
> >>> class MyString(str):
>
> ... def __eq__(self, other):
> ... return not str.__eq__(self, other)
> ...>>> m = MyString('mail')
> >>> m == 'fail'
> True
> >>> m == 'mail'
> False
> >>> m in ['fail', 'hail']
>
> True
...
Um, nevermind -- I *completely* misunderstood the question...
--
Regards,
Steven
--
http://mail.python.org/mailman/listinfo/python-list
