On Mar 3, 4:25 am, [EMAIL PROTECTED] (Alex Martelli) wrote:
> Hallvard B Furuseth <[EMAIL PROTECTED]> wrote:
>
> > Does this class need anything more?
> > Is there any risk of a lookup loop?
> > Seems to work...
>
> > class attrdict(dict):
> > """Dict where d['foo'] also can be accessed as d.foo"""
> > def __init__(self, *args, **kwargs):
> > self.__dict__ = self
> > dict.__init__(self, *args, **kwargs)
> > def __repr__(self):
> > return dict.__repr__(self).join(("attrdict(", ")"))
>
> The problem is mostly that, given an instance a of attrdict, whether you
> can call (e.g.) a.update(foo) depends on whether you ever set
> a['update'], making the whole program extremely fragile -- a very high
> price to pay for some modest amount of syntax sugar.
>
> Alex
Then you will prefer something like this:
class Namespace(object):
def __init__(self, __ns={}, **kwargs):
if kwargs: __ns.update(kwargs)
self.__dict__ = __ns
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