awesome-progress-bar 1.6.0

Progress bar for terminal

Awesome progress bar

It's a progress bar for the terminal. But why it is awesome?

• It has thread mode. This way progress bar can run in the parallel.
• It's animated with ASCII characters.
• It also measures elapsed time.
• It's user-friendly and customizable.

Why does progress bar need to be run in the parallel mode?

The bar should be updated when it is time to. Imagine we are doing something in the for loop and each iteration we update its state. But each iteration can take different amount of time. And each iteration can be longer than 1 minute. And without threads the animation would have non-constant amount of FPS.

How to use

Initialization

Parameters:

• total: Amount of iterations.
• prefix: A short message before the progress bar. Default is 'Progress'.
• suffix: A short message after the progress bar. Default is 'Complete'.
• fill: A character that will be used as progress bar filler.
• bar_length: The length of the whole string (including prefix, spinner, progress bar, percents and suffix). Default is equal to the minimum between terminal's width and 100.
• update_period: The duration of pause between iterations in seconds. Default is 0.1. Works only if use_thread is True.
• use_time: If True there will be an information about elapsed time in the center of the progress bar written in time_format format. Default is True.
• time_format: String, that should include hh, mm or/and ss. hh will be replaced with amount of elapsed hours, mm - minutes, ss - seconds. Default is 'mm:ss'.
• use_thread: If True ProgressBar will create extra thread. Default is True.
• spinner_type: One of ['sb', 'db', 's']. With 'sb' progress bar will print spinner consisting of 1 Braille pattern. 'db' - 2 Braille patterns. 's' - a slash. Default is 'sb'.
• use_spinner: If True the spinner will be shown. Default is True.
• new_line_at_end: If True the caret will go to the new line at the end. Default it True.
• use_eta: If True the information about approximate remaining time will be printed. Default is False.
• eta_format: The format of ETA. Similar to the time_format. Default is 'mm:ss'.

Methods

• iter(append): Used for tracking the progress.
• stop(): Stops the bar in the thread mode.
• wait(): Blocks the program until bar is dead.

bar.iter(append='')

```python bar.iter(append='') ``` Used for tracking the progress. - In the thread mode only increases the number of iteration. - Without extra thread `bar.iter()` prints the bar each time user call it.

Parameters:

• append: A string to append after the bar. The appended text doesn't effect on the progress bar width.

bar.stop()

Stops the bar if it run in the thread mode.

If the user doesn't stop the bar, it will update endlessly. Therefore, I recommend updating the bar using bar.iter() in the try/except block, and calling bar.stop() in the except or finally blocks.

bar.wait()

Blocks the program until bar is dead.

The bar updates every update_period seconds in the thread mode. Hence, there can be a small delay between last calling bar.iter() and next try for printing something. So, if you want to print anything after the progress is done be aware to use bar.wait()

Examples

from awesome_progress_bar import ProgressBar
import time

total = 133
bar = ProgressBar(total, bar_length=50)
try:
    for x in range(total):
        time.sleep(0.1)
        bar.iter(' Appended')
except:
    bar.stop()
bar.wait()
print('Bar is done')

# Progress:   |====== 00:14 ======| 100.00% Complete Appended
# Bar is done

from awesome_progress_bar import ProgressBar

bar = ProgressBar(100, prefix='Prefix', suffix='Suffix', bar_length=50)
# Prefix: вЎ† |=>       00:00         |   4.51% Suffix

bar = ProgressBar(100, fill='#', use_time=False, bar_length=50, use_spinner=False)
# Progress: |>                    |   3.01% Complete

bar = ProgressBar(100, time_format='hhh mmmin sss', use_eta=True, bar_length=70, spinner_type='s')
# Progress: \ |==>         00h 00min 01s            |   7.52% ETA: 00:12

bar = ProgressBar(100, bar_length=70, spinner_type='db')
# Progress: вў€вЎ± |=========>      00:03                 |  25.56% Complete

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Feel free to suggest ideas to improve this package in the GitHub's Issues section.