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101 lines
3.0 KiB
Python
101 lines
3.0 KiB
Python
# Copyright (c) 2025, NVIDIA CORPORATION. All rights reserved.
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from tqdm import tqdm
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class ProgressBar:
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"""
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Base class for progress bars.
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"""
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def __init__(self, value: float = 0.0, total: float = 1.0):
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"""
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Initialize the ProgressBar.
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Args:
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value: (float) Initial value.
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total: (float) Total value. Must be greater than zero.
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"""
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if total <= 0:
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raise ValueError("Total must be greater than zero.")
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if value < 0 or value > total:
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raise ValueError("Initial value must be between 0 and total.")
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self.value = value
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self.total = total
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self.start_value = value
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def restart(self) -> None:
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"""Restart progress from the initial value."""
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self.value = self.start_value
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def increment(self, by: float) -> None:
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"""
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Increase progress but do not exceed total.
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Args:
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by: (float) Amount to increment.
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"""
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self.value = min(self.value + by, self.total)
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def update_bar(self, by: float) -> None:
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"""
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Update progress and call update.
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Args:
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by: (float) Amount to increment.
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"""
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self.increment(by)
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self.update()
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def finish(self) -> None:
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"""Complete progress bar."""
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self.value = self.total
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self.update(True)
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def update(self, is_end: bool = False) -> None:
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"""
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Abstract method for updating the progress bar.
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Args:
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is_end: (bool) Whether the progress bar is at the end.
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"""
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raise NotImplementedError("Subclasses must implement update method.")
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class TQDMProgressBar(ProgressBar):
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"""TQDM progress bar wrapper."""
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def __init__(self, value: float = 0.0, total: float = 1.0):
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"""
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Initialize the TQDMProgressBar.
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Args:
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value: (float) Initial value.
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total: (float) Total value.
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"""
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super().__init__(value, total)
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self.bar = tqdm(total=self.total, bar_format='{l_bar}{bar}')
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self.prev_value = value
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def update(self, is_end: bool = False) -> None:
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"""
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Update tqdm progress bar.
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Args:
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is_end: (bool) Whether the progress bar is at the end.
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"""
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increment = self.value - self.prev_value
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if increment > 0:
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self.bar.update(increment)
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self.prev_value = self.value
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if is_end:
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self.bar.close()
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