Method GetArray

Wrapping/PythonCore/vtkPythonArgs.cxx:1173–1209

// For an array of smart pointers
bool vtkPythonArgs::GetArray(vtkSmartPointerBase* a, size_t n, const char* classname)
{
  PyObject* o = PyTuple_GetItem(this->Args, this->I++);
  if (a)
  {
    Py_ssize_t m = static_cast<Py_ssize_t>(n);

    if (PySequence_Check(o))
    {
      m = PySequence_Size(o);
      if (m == static_cast<Py_ssize_t>(n))
      {
        bool r = true;
        for (Py_ssize_t i = 0; i < m && r; i++)
        {
          r = false;
          PyObject* s = PySequence_GetItem(o, i);
          if (s)
          {
            vtkObjectBase* ob = vtkPythonUtil::GetPointerFromObject(s, classname);
            if (ob || s == Py_None)
            {
              r = true;
              a[i] = ob;
            }
            Py_DECREF(s);
          }
        }
        return r;
      }
    }

    return vtkPythonSequenceError(o, n, m);
  }

  return true;
}

//------------------------------------------------------------------------------
// Define all the GetNArray methods in the class.