gistfile1.py

def progress_bar(iterable, fill='=', empty='.', size=60):
    count = len(iterable)
    def show(i):
        x = int(size * i / count)
        sys.stdout.write('[{0}{1}] {2}/{3}\r'.format(fill * x, empty * (size - x), i, count))
        sys.stdout.flush()
    show(0)
    for i, item in enumerate(iterable):
        yield item
        show(i + 1)
    sys.stdout.write('\n')
    sys.stdout.flush()