The simplest no-nonsense progress bar for python.
_{Jump to the API reference}

lowbar is a blazing fast module with zero dependencies for displaying a progress bar in the terminal. It has a low number of features and a simple codebase, hence the name lowbar.

• Automatic resizing
• Manual progress management
• Automatic progress management (As an iterable)
• Text logging
• Bar styling
• Low overhead
• Small size ( < 150 lines)

• Nested bars
• Fancy animations
• ETA calculations

• Python 3.7 or above. lowbar may support earlier versions, but this has not been tested.
• A console that supports line feed \n and carriage return \r.

Install the latest stable release:

pip install lowbar

Or the development version:

pip install git https://github.com/AnnikaV9/lowbar

Once you have lowbar installed, you can import it like any other module:

from lowbar import lowbar

And initialize the bar:

bar = lowbar()

To make the bar visible and set at 0%:

bar.new()

After completing some tasks, we can increase the bar's completion percentage:

bar.add(20)

If we have a known number of tasks, lowbar can automatically calculate the percentage for us:

bar.next(n_tasks)

We can also set the completion percentage instead of adding to it:

bar.update(50)

Using print() or other similar functions will push the bar up, which doesn't look nice. To log messages without affecting the bar:

bar.log("Hello World!")

And finally, to clear the bar completely:

bar.clear()

Here's an example usage of the bar:

bar = lowbar(10)
bar.new()
for i in range(10):
    time.sleep(0.5)  # task
    bar.log(f"Task {i 1} completed")
    bar.next()
bar.clear()

print("Tasks complete!")

You don't even need a loop:

bar.new()
time.sleep(0.5)  # task
bar.add(10)
time.sleep(0.5)  # task
bar.add(10)
time.sleep(0.5)  # task
bar.update(100)
bar.clear()

print("Tasks complete!")

The bar can also be used with a context manager. It will automatically run new() at the start and clear() when exiting:

with lowbar(2) as bar:
    time.sleep(0.5)  # task
    bar.next()
    time.sleep(0.5)  # task
    bar.next()

print("Tasks complete!")

To make things simpler, you can wrap lowbar around range() and turn it into an iterable. It will automatically calculate how much to increase the percentage by every loop:

for i in lowbar(range(100)):
    time.sleep(0.5)  # task

Pass an integer and lowbar will convert it into a range object for you:

for i in lowbar(100):
    time.sleep(0.5)  # task

You can also change the load fill and blank fill chars:

bar = lowbar(load_fill="O", blank_fill=".")

Or add a description text to the left side of the bar:

bar = lowbar(desc="Downloading...")

See the API reference

All contributions are welcome!

If you wish to report a bug or suggest a feature, open an issue.

You can also make a pull request directly if you already have the fix for a bug.

See CONTRIBUTING.md for guidelines to follow.

Contributors are listed in CONTRIBUTORS.md.

This project is licensed under the MIT License.