tf.contrib.training.wait_for_new_checkpoint( checkpoint_dir, last_checkpoint=None, seconds_to_sleep=1, timeout=None )
Waits until a new checkpoint file is found.
checkpoint_dir: The directory in which checkpoints are saved.
last_checkpoint: The last checkpoint path used or
Noneif we're expecting a checkpoint for the first time.
seconds_to_sleep: The number of seconds to sleep for before looking for a new checkpoint.
timeout: The maximum amount of time to wait. If left as
None, then the process will wait indefinitely.
a new checkpoint path, or None if the timeout was reached.