On Tue, 9 May 2000, Tom Cato Amundsen wrote:
> In my eartraining program, I have the (bad?) habit of using multiple
> inheritance:
>
> class ChordBox(gkt.GtkHBox, DataStorage):
> def __init__(self, name):
> gtk.GtkHBox.__init__(self)
> DataStorage.__init__(self, name)
> ...
> ...
>
> With 0.7.0-unstable-dont-use, I get:
>
> DataStorage.__init__(self, name)
> TypeError: unbound method must be called with class instance 1st
> argument
>
> Should I convert to having a DataStorage variable in ChordBox, or will
> this
> be possible 0.7.0 is finished?
This is due to the use of ExtensionClass. I am not sure how to fix this
properly. This is mentioned in the ExtensionClass.stx file included in
the tarball. You can get your code to work with:
DataStorage.__dict__['__init__'](self, name)
It doesn't look as pretty, but it does work. The difference is that
DataStorage.__init__ is an unbound method that requires an Instance type
as its first argument (and in your case, self would be of type ChordBox),
while DataStorage.__dict__['__init__'] is just a plain function.
>
> Tom Cato
>
James.
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