Function buildReturnValue

src/python/parsing.cpp:124–141

This function builds the python object that is to be returned given a vector of outputs. It automatically chooses the correct output type (None, simple value, tuple of values) wrt the number of outputs. /

// * (None, simple value, tuple of values) wrt the number of outputs.
// */
PyObject* buildReturnValue(const vector<PyObject*>& result_vec) {
  int size = result_vec.size();

  // if there is no result to be returned, return None to the python interpreter
  if (size == 0) Py_RETURN_NONE;

  // if there is only one value, return it directly instead of a 1-sized tuple
  if (size == 1) return result_vec[0];

  // otherwise, create a tuple and fill it with the results
  PyObject* result = PyTuple_New(result_vec.size());

  for (int i=0; i<size; i++) {
    PyTuple_SET_ITEM(result, i, result_vec[i]);
  }

  return result;
}

PyObject* toPython(void* obj, Edt tp) {
  switch (tp) {