Python progressbar with the help from the legend developer himself @iCaotix

progressbar.py

import sys
import time
import os


def print_progressbar(percentage):
    columns = int(os.popen('stty size', 'r').read().split()[1])  # length of current line
    columns -= 7  # subtract formatting [] xxx%
    num_hashes = int(columns / 100 * percentage)
    sys.stdout.write("\r")
    sys.stdout.write("[%s%s] %s%s" % (num_hashes * "#", (columns - num_hashes) * " ", percentage, "%"))
    sys.stdout.flush()


completion_percentage = 0
print("Progressbar:")
while True:
    if completion_percentage > 100:
        print_progressbar(100)
        break
    print_progressbar(int(completion_percentage))
    time.sleep(.1)
    completion_percentage += 1
print("")
print("Done!")