Serialize C++ object to send via sockets to Python - best approach?

Question

I need to create a network communication between two different frameworks, one written in C++ and the other in Python.

To exchange data, I want

Answer 1

Protocol Buffers' successor, Cap'n Proto, also has good support for C++ and Python. (Disclosure: I am the author of Cap'n Proto, and also was the author of most of the Protobuf code released by Google.)