Method pythonbuf

third-party/pybind11/iostream.h:120–124

public:
    explicit pythonbuf(const object &pyostream, size_t buffer_size = 1024)
        : buf_size(buffer_size), d_buffer(new char[buf_size]), pywrite(pyostream.attr("write")),
          pyflush(pyostream.attr("flush")) {
        setp(d_buffer.get(), d_buffer.get() + buf_size - 1);
    }

    pythonbuf(pythonbuf &&) = default;