[C++-sig] passing wrapped c++ objects to boost wrapped function

[Alex Mohr]

> The OEMol was not wrapped by me, but a vendor. I have the headers,  
> and the python bindings appear to be generated by swig.

If that's true, then boost.python cannot "just know" how to get the C++ 
OEMol object out of a swig-generated wrapping Python object.

You might be able to teach boost.python how to deal with OEMols by 
registering your own to_python and from_python conversions for OEMol 
which use swig to do the work.

Alex