> > _fields = {'encode':0,'decode':1,'reader':2,'writer':3}
> > class CodecInfo(tuple):
> > __dynamic__ = 0
> > def __getattr__(self, name):
> > try:
> > return self[_fields[name]]
> > except KeyError:
> > raise AttributeError, name
>
> You want to change that raise statement into
>
> return tuple.__getattr__(self, name)
>
> Remember, new-style __getattr__ *replaces* the built-in getattr
> operation
Originally, I had _fields as a class attribute, and was using
self._fields inside getattr, which caused a StackOverflow. I could not
figure out why it wouldn't just find _fields in the class before
invoking __getattr__...
> (I'm still considering whether this is too backwards incompatible; we
> could have two getattr hooks, one old-style and one new-style.)
So far, it is not really incompatible, since it only applies to
new-style classes. It is confusing to long-time users, so it deserves
documentation.
Regards,
Martin
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