docs: def _progress_print(self, sent, total):
          """Progress print show the progress of the current upload with a neat progress bar
             Credits: http://redino.net/blog/2013/07/display-a-progress-bar-in-console-using-python/
          """
          percent = min(int(sent*100.0/total), 100)
          sys.stdout.write('\r{0}[{1}{2}] {3}{4}%{5}'.
                           format(color.Green, '#'*(percent/2), ' '*(50-percent/2), color.Yellow, percent, color.Normal))
          sys.stdout.flush()