import time
import progressbar

for item in progressbar.progressbar(range(100), desc='Loading'):
    time.sleep(0.02)

import sys
import time
import progressbar

with progressbar.ProgressBar(
    total=24,
    desc='Build',
    fd=sys.stdout,
    redirect_stdout=True,
    line_breaks=False,
    is_terminal=True,
    enable_colors=True,
    term_width=112,
) as bar:
    for step in range(24):
        if step in {8, 16}:
            print(f'log: completed step {step}')
        bar.update(step + 1, force=True)
        time.sleep(0.005)

import io
import re
import progressbar

fd = io.StringIO()
multibar = progressbar.MultiBar(
    fd=fd,
    total=24,
    enable_colors=True,
    initial_format=None,
    finished_format=None,
    remove_finished=None,
    sort_reverse=False,
    term_width=112,
)
build = multibar['build']
test = multibar['test']
terminal_control_re = re.compile(r'\x1b\[[0-9;]*[A-Za-ln-z]')

def emit_frame():
    output = terminal_control_re.sub('', fd.getvalue())
    for line in output.split('\r'):
        line = line.strip()
        if line:
            print(line)
    print('\f', end='')
    fd.seek(0)
    fd.truncate(0)

multibar.render(force=True, flush=True)
emit_frame()

for step in range(24):
    build.update(step + 1, force=True)
    test_value = min(24, max(0, round((step - 3) * 1.2)))
    test.update(test_value, force=True)
    multibar.render(force=True, flush=True)
    emit_frame()

import sys
import progressbar

with progressbar.ProgressBar(
    max_value=progressbar.UnknownLength,
    fd=sys.stdout,
    line_breaks=False,
    is_terminal=True,
    enable_colors=True,
    term_width=112,
) as bar:
    for value in range(0, 120, 10):
        bar.update(value, force=True)