def process_bar(self, done, block, total, mode=1):
screen = self.__stdscr.subwin(2, 80, 20, 0)
screen.bkgd(" ", curses.color_pair(4))
normal = curses.A_NORMAL
line_width = 76
prog_len = line_width - 20
# Progress Bar
if mode:
done = done * block
prog = prog_len * done / total
progress = "".join(["=" * int(prog), "-" * int(2 * prog % 2)])
progress = progress.ljust(prog_len)
total = Utilities.convert_size(total).ljust(7)
done = Utilities.convert_size(done).rjust(7)
else:
progress = " " * prog_len
done = total = "N/A".center(7)
# Show Progress
prog_bar = "[%s] %s | %s" % (progress, done, total)
screen.addstr(1, 2, prog_bar, normal)
screen.refresh()
