Method python_bytes_sink

src/python/serialization_suite.hpp:34–36

class python_bytes_sink : public iostreams::sink {
public:
  python_bytes_sink(PyObject** pstr) : pstr_(pstr), len_(0), pos_(0) {
    BOOST_ASSERT(*pstr == 0);
  }

  std::streamsize write(const char* s, std::streamsize n) {
    if (len_ == 0) {