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""" This sub-module contains a function for printing a progress bar to the
terminal.
Taken from:
http://stackoverflow.com/questions/3173320/text-progress-bar-in-the-console
"""
import sys
def progress_bar(iteration, total, prefix='Progress:', suffix='Complete',
decimals=2, bar_length=20):
"""Generate a progress bar.
Args:
iteration (int): current iteration
total (int): total iterations
prefix (str, optional): prefix string, default is "Progress:"
suffix (str, optional): suffix string, default is "Complete"
decimals (int, optional): number of decimals in percent complete,
default is 2
bar_length (int, optional): character length of bar, default is 20
"""
filled_length = int(round(bar_length * iteration / float(total)))
pcent = round(100.00 * (iteration / float(total)), decimals)
pbar = '-' * filled_length + ' ' * (bar_length - filled_length)
sys.stdout.write('\r%s |%s| %s%s %s' % (prefix, pbar, pcent, '%', suffix)),
sys.stdout.flush()
if iteration == total:
sys.stdout.write('\n')
sys.stdout.flush()
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