Python Progress Bar

progessbar.py

import sys

def print_progress(iteration, total, prefix = '', suffix = '', decimals = 2, barLength = 100):
    filledLength = int(round(barLength * iteration / float(total)))
    percents = round(100.00 * (iteration / float(total)), decimals)
    bar = '#' * filledLength + '-' * (barLength - filledLength)
    sys.stdout.write('%s [%s] %s%s %s\r' % (prefix, bar, percents, '%', suffix)),
    sys.stdout.flush()
    if iteration == total:
        print("\n")

items = ['A', 'B', 'C', 'D', 'E']
i = 0
l = len(items)

print_progress(i, l, prefix = 'Progress:', suffix = 'Complete', barLength = 50)
for item in items:
    i += 1
    print_progress(i, l, prefix = 'Progress:', suffix = 'Complete', barLength = 50)