Boost.Python call by reference : TypeError: No to_python (by-value) converter found for C++ type:

Question

I\'m trying to expose my C++ Classes to Python using Boost.Python. Here is a simplyfied version of what i\'m trying to do:

I have a class A deriving from boost::nonc

Answer 1

Change B.do_something(a); to B.do_something(boost::ref(a));.

See Calling Python Functions and Methods in the boost manual.