[C++-sig] howto check for an attr from c++?

[Stefan Seefeld]

Neal Becker wrote:
> I need to check if an object has an attribute from c++.
> 
> I'm using this low-level approach:
> (r is an object):
>     if (PyObject_HasAttrString (r.ptr(), "__len__")) {
> 
> Nothing wrong with that, but is there something in the boost::python api to
> handle this?

boost::python does provide getattr(), setattr(), and delattr().

HTH,
		Stefan

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