Function vtkPythonGetFilePath

Wrapping/PythonCore/vtkPythonArgs.cxx:417–440

------------------------------------------------------------------------------ Methods for getting file system paths

//------------------------------------------------------------------------------
// Methods for getting file system paths
inline bool vtkPythonGetFilePath(PyObject* o, const char*& a)
{
  const char* exctext = "string, None, or pathlike object required";
  a = nullptr;

  if (o == Py_None)
  {
    // accept Py_None as equivalent to nullptr
    return true;
  }

#if PY_VERSION_HEX >= 0x03060000
  bool rval = false;
  PyObject* s = PyOS_FSPath(o);
  if (s != nullptr)
  {
    rval = vtkPythonGetStringValue(s, a, exctext);
    Py_DECREF(s);
  }
  return rval;
#else
  return vtkPythonGetStringValue(o, a, exctext);
#endif
}

inline bool vtkPythonGetFilePath(PyObject* o, std::string& a)
{