Function IsSequenceOrCompositeHelper

tensorflow/python/util/util.cc:520–528

Returns 1 if `o` is a (non-string) sequence or CompositeTensor or (non-TensorSpec) TypeSpec. Returns 0 otherwise. Returns -1 if an error occurred.

// Returns 0 otherwise.
// Returns -1 if an error occurred.
int IsSequenceOrCompositeHelper(PyObject* o) {
  int is_sequence = IsSequenceHelper(o);
  int is_composite = IsCompositeTensorHelper(o);
  int is_type_spec = IsTypeSpecHelper(o);
  if ((is_sequence == -1) || (is_composite == -1) || (is_type_spec == -1)) {
    return -1;
  }
  return is_sequence || is_composite || is_type_spec;
}

int IsSequenceForDataHelper(PyObject* o) {
  return IsSequenceHelper(o) == 1 && !PyList_Check(o) &&