Class ustring_from_python_str

src/python/py_oiio.cpp:44–78

};

struct ustring_from_python_str
{
    ustring_from_python_str() {
        boost::python::converter::registry::push_back(
                &convertible,
                &construct,
                boost::python::type_id<ustring>());
    }

    static void* convertible(PyObject* obj_ptr) {
#if PY_MAJOR_VERSION >= 3
        if (!PyUnicode_Check(obj_ptr)) return 0;
#else
        if (!PyString_Check(obj_ptr)) return 0;
#endif
        return obj_ptr;
    }

    static void construct(
            PyObject* obj_ptr,
            boost::python::converter::rvalue_from_python_stage1_data* data) {
#if PY_MAJOR_VERSION >= 3
        PyObject* pyStr = PyUnicode_AsUTF8String(obj_ptr);
        const char* value = PyBytes_AsString(pyStr);
#else
        const char* value = PyString_AsString(obj_ptr);
#endif
        if (value == 0) boost::python::throw_error_already_set();
        void* storage = (
                (boost::python::converter::rvalue_from_python_storage<ustring>*)
                data)->storage.bytes;
        new (storage) ustring(value);
        data->convertible = storage;
    }
};