Hf Classifier (NeMo Guardrail)

flow hf classifier check input $classifier
  $allowed = await HfClassifierCheckInputAction(classifier=$classifier)

  if not $allowed
    if $system.config.enable_rails_exceptions
      send InputRailException(message="Input blocked by 'hf classifier check input' (classifier='{$classifier}').")
    else
      bot refuse to respond
    abort

flow hf classifier check output $classifier
  $allowed = await HfClassifierCheckOutputAction(classifier=$classifier)

  if not $allowed
    if $system.config.enable_rails_exceptions
      send OutputRailException(message="Output blocked by 'hf classifier check output' (classifier='{$classifier}').")
    else
      bot refuse to respond
    abort

flow hf classifier check retrieval $classifier
  $allowed = await HfClassifierCheckRetrievalAction(classifier=$classifier)

  if not $allowed
    $relevant_chunks = ""