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from rich.progress import ( | |
Progress, | |
ProgressColumn, | |
SpinnerColumn, | |
Task, | |
TextColumn, | |
TimeElapsedColumn, | |
) | |
from rich.text import Text | |
class SpeedColumn(ProgressColumn): | |
def render(self, task: "Task") -> Text: | |
if task.speed is None: | |
return Text("") | |
else: | |
return Text(f"{task.speed:.3f} steps/s {1 / task.speed:.3f} s/step") | |
def get_rich_progress(): | |
""" | |
Returns a Rich Progress Bar with default columns and a custom SpeedColumn. | |
Usage: | |
``` | |
pbar = get_rich_progress() | |
# you need at least one task to start the progress bar | |
pbar_task = pbar.add_task("Training", total=len(train_dataloader), start=False) | |
# optional: add custom columns | |
# You need to first initialize the column with the task field name | |
# pbar_task = pbar.add_task("Training", total=len(train_dataloader), start=False, loss=0.0) | |
# pbar.columns += (TextColumn("Loss: {task.fields[loss]}"),) | |
# start progress bar (counting time from here) | |
pbar.start() | |
pbar.start_task(pbar_task) | |
# update progress bar | |
pbar.update(pbar_task, advance=1, loss=0.123) | |
``` | |
""" | |
pbar = Progress( | |
SpinnerColumn(), | |
*Progress.get_default_columns(), | |
TimeElapsedColumn(), | |
TextColumn("{task.completed}/{task.total}"), | |
SpeedColumn(), | |
transient=False, | |
) | |
return pbar | |
def main(): | |
import time | |
pbar = get_rich_progress() | |
pbar_task = pbar.add_task("Training", total=100, start=True, loss=0.0) | |
pbar.columns += (TextColumn("Loss: {task.fields[loss]}"),) | |
pbar.start() | |
pbar.start_task(pbar_task) | |
for _ in range(100): | |
pbar.update(pbar_task, advance=1, loss=0.123) | |
time.sleep(0.1) | |
if __name__ == "__main__": | |
main() |
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