Method _call_begin_hook

tensorflow/python/keras/callbacks.py:247–254

Helper function for on_{train|test|predict}_begin methods.

(self, mode)

          delta_t_median)

  def _call_begin_hook(self, mode):
    """Helper function for on_{train|test|predict}_begin methods."""
    if mode == ModeKeys.TRAIN:
      self.on_train_begin()
    elif mode == ModeKeys.TEST:
      self.on_test_begin()
    else:
      self.on_predict_begin()

  def _call_end_hook(self, mode):
    """Helper function for on_{train|test|predict}_end methods."""