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Printing Boost Python object

I have a Boost Python object

py::object obj = whatever();

I want to print it using normal python rules.

// I want the effect of print 'My object is ', obj
std::cout << "My object is " << obj << std::endl;

It doesn't compile with a huge compiler dump. How to do it?

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Boost.Python does not ship with operator<<(ostream&, const object&)

, but we can write our own to simulate what Python would do initially: call str

:



namespace py = boost::python;

std::ostream& operator<<(std::ostream& os, const py::object& o)
{
    return os << py::extract<std::string>(py::str(o))();
}
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