[英]Building a nested progress bar with postfixes in tqdm
I know how to build nested progress bar using tqdm.我知道如何使用 tqdm 构建嵌套进度条。
from tqdm import trange
from time import sleep
for i in trange(10, desc='1st loop'):
for j in trange(5, desc='2nd loop', leave=False):
for k in trange(100, desc='3nd loop'): sleep(0.01)
I also now how to add postfixes and description to a bar我现在也如何向栏添加后缀和描述
from tqdm import trange
from random import random, randint
from time import sleep
with trange(100) as t:
for i in t:
t.set_description('GEN %i' % i)
t.set_postfix(loss=random(), gen=randint(1,999), str='h', lst=[1, 2])
sleep(0.1)
Question题
How can I add description and postfixes to nested progress bars in tqdm?如何向 tqdm 中的嵌套进度条添加描述和后缀? I would like to add independent postfixes to each nested bar.我想为每个嵌套条添加独立的后缀。
Nesting works fine:嵌套工作正常:
from tqdm import trange
from time import sleep
n_epochs, n_steps = 5, 100
with trange(1, n_epochs + 1, desc="All epochs") as epochs:
for epoch in epochs:
with trange(1, n_steps + 1, desc="Epoch {}/{}".format(epoch, n_epochs)) as steps:
for step in steps:
epochs.set_postfix(foo=epoch * n_steps + step)
steps.set_postfix(bar="hello {}".format(step), baz=1 / step)
sleep(0.01)
Edit编辑
The output looks like this when running (in this example, we're in the middle of the 3rd epoch):运行时的输出如下所示(在本例中,我们处于第三个时期的中间):
Epoch 1/5: 100%|██████| 100/100 [00:01<00:00, 81.41it/s, bar=hello 100, baz=0.01]
Epoch 2/5: 100%|██████| 100/100 [00:01<00:00, 81.04it/s, bar=hello 100, baz=0.01]
All epochs: 40%|█████████▍ | 2/5 [00:03<00:04, 1.26s/it, foo=349]
Epoch 3/5: 48%|███▎ | 48/100 [00:00<00:00, 79.08it/s, bar=hello 49, baz=0.0204]
And it looks like this at the end:最后看起来像这样:
Epoch 1/5: 100%|██████| 100/100 [00:01<00:00, 81.41it/s, bar=hello 100, baz=0.01]
Epoch 2/5: 100%|██████| 100/100 [00:01<00:00, 81.04it/s, bar=hello 100, baz=0.01]
Epoch 3/5: 100%|██████| 100/100 [00:01<00:00, 80.23it/s, bar=hello 100, baz=0.01]
Epoch 4/5: 100%|██████| 100/100 [00:01<00:00, 80.27it/s, bar=hello 100, baz=0.01]
Epoch 5/5: 100%|██████| 100/100 [00:01<00:00, 80.20it/s, bar=hello 100, baz=0.01]
All epochs: 100%|█████████████████████████| 5/5 [00:06<00:00, 1.24s/it, foo=600]
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