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47 lines
1.3 KiB
47 lines
1.3 KiB
3 years ago
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from __future__ import absolute_import
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from functools import partial
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from dask.callbacks import Callback
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from .auto import tqdm as tqdm_auto
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__author__ = {"github.com/": ["casperdcl"]}
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__all__ = ['TqdmCallback']
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class TqdmCallback(Callback):
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"""Dask callback for task progress."""
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def __init__(self, start=None, pretask=None, tqdm_class=tqdm_auto,
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**tqdm_kwargs):
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"""
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Parameters
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----------
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tqdm_class : optional
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`tqdm` class to use for bars [default: `tqdm.auto.tqdm`].
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tqdm_kwargs : optional
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Any other arguments used for all bars.
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"""
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super(TqdmCallback, self).__init__(start=start, pretask=pretask)
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if tqdm_kwargs:
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tqdm_class = partial(tqdm_class, **tqdm_kwargs)
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self.tqdm_class = tqdm_class
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def _start_state(self, _, state):
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self.pbar = self.tqdm_class(total=sum(
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len(state[k]) for k in ['ready', 'waiting', 'running', 'finished']))
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def _posttask(self, *_, **__):
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self.pbar.update()
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def _finish(self, *_, **__):
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self.pbar.close()
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def display(self):
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"""Displays in the current cell in Notebooks."""
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container = getattr(self.bar, 'container', None)
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if container is None:
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return
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from .notebook import display
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display(container)
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