boost::python , dispatching in python

[Arnaldur Gylfason]

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> So it looks like PyNumber_Add is the way to go for a + b
>=20
>=20
> That's the wrong conclusion to draw. The check for list[int] is purely
an
> optimization, just like the check for int+int in the first case.
> PyObject_GetItem() is the simple generalized routine that works for
both
> sequence and mapping protocols:
>=20
> There's no conflict, but the procedure you specified wouldn't work.
Just use
> PyObject_GetItem(). Almost every operation with a possible slot
conflict has
> a similar dispatcher, I'll wager.

You're right! Forgot to take a look at PyObject_GetItem.
I understand where you're going now. By calling PyNumber_Add and
PyObject_GetItem, the python implementation already takes care of
sequence/number, sequence/mapping conflicts for us.
By picking the right python dispatcher we're off the hook.(I wish).

Arnaldur