Source code for nnabla_rl.hooks.progress_bar_hook

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from tqdm import tqdm

from nnabla_rl.algorithm import Algorithm
from nnabla_rl.hook import Hook


[docs]class ProgressBarHook(Hook): """Hook to show progress bar. Args: timing (int): Updating interval. Defaults to 1 iteration. """ def __init__(self, timing: int = 1): super(ProgressBarHook, self).__init__(timing=timing)
[docs] def on_hook_called(self, algorithm: Algorithm): if algorithm.iteration_num != 0: self._progress_bar.update(self._timing)
[docs] def setup(self, algorithm: Algorithm, total_iterations: int): self._progress_bar = tqdm(total=total_iterations, position=-1)
[docs] def teardown(self, algorithm: Algorithm, total_iterations: int): self._progress_bar.close()