python terminal progress

gistfile1.py

import sys
import time

# Output example: [=======   ] 75%
# width defines bar width
# percent defines current percentage

def progress(width, percent):
    print "%s %d%%\r" % (('%%-%ds' % width) % (width * percent / 100 * '='), percent),
    if percent >= 100:
        print
        sys.stdout.flush()

# Simulate doing something ...
for i in xrange(100):
    progress(50, (i + 1))
    time.sleep(0.1) # Slow it down for demo