Class SwigPySequence_Ref

swig/python/export_wrap.cpp:4581–4614

{
  template <class T>
  struct SwigPySequence_Ref
  {
    SwigPySequence_Ref(PyObject* seq, int index)
      : _seq(seq), _index(index)
    {
    }
    
    operator T () const
    {
      swig::SwigVar_PyObject item = PySequence_GetItem(_seq, _index);
      try {
	return swig::as<T>(item, true);
      } catch (std::exception& e) {
	char msg[1024];
	sprintf(msg, "in sequence element %d ", _index);
	if (!PyErr_Occurred()) {
	  ::SWIG_Error(SWIG_TypeError,  swig::type_name<T>());
	}
	SWIG_Python_AddErrorMsg(msg);
	SWIG_Python_AddErrorMsg(e.what());
	throw;
      }
    }

    SwigPySequence_Ref& operator=(const T& v)
    {
      PySequence_SetItem(_seq, _index, swig::from<T>(v));
      return *this;
    }

  private:
    PyObject* _seq;
    int _index;
  };

  template <class T>
  struct SwigPySequence_ArrowProxy