Function CheckResourceVariable

tensorflow/python/eager/pywrap_tfe_src.cc:2145–2153

}

bool CheckResourceVariable(PyObject* item) {
  if (tensorflow::swig::IsResourceVariable(item)) {
    tensorflow::Safe_PyObjectPtr handle(
        PyObject_GetAttrString(item, "_handle"));
    return EagerTensor_CheckExact(handle.get());
  }

  return false;
}

bool IsNumberType(PyObject* item) {
#if PY_MAJOR_VERSION >= 3