Paulo da Silva escreveu: > Paulo da Silva escreveu: >> Alex Martelli escreveu: >>> Paulo da Silva <[EMAIL PROTECTED]> wrote: >> .... >> >>> E.g.: >>> >>> class C1(object): >>> def __new__(cls, xxx): >>> if xxx: return type.__new__(cls, xxx) >>> else: return C1.load(xxx) >>> @staticmethod >>> def load(xxx): return ...whatever... >>> def __init__(self, xxx): >>> if hasattr(self, 'foo'): return >>> self.foo = 'foo' >>> self.bar = 'bar' >>> >> >> Just for a better understanding ... >> Can I do this? >> >> class C1(object): >> def __new__(cls, xxx): >> if xxx: >> cls.foo='foo' >> cls.bar='bar' >> return type.__new__(cls, xxx) > This does not work(!) at least for python 2.4.3. > >> else: >> return C1.load(xxx) >> @staticmethod >> def load(xxx): return ...whatever... >> # OMMIT THE __init__ >> # or >> def __init__(self, xxx): >> pass > > I needed return cls and put the __init__ stuff here. > Is this the best practice? >
When debugging, I found this is wrong!!! Would someone please clarify what do I have to return from __new__? Thank you very much. -- http://mail.python.org/mailman/listinfo/python-list
