Python CLI Progress Bar

'''
###########################
This program demonstrates how to do a progress bar for your program in Python CLI.  It uses ASCII escape strings, with string formatted print statements to move the cursor to the correct position at the end of every 3-line print job.  Also works with any sized terminal, since it determines the width, then calculates how many of each character to print.
###########################
'''


from __future__ import print_function
import sys
import time
import math

def get_terminal_size(fd=1):
    """
    Returns height and width of current terminal. First tries to get
    size via termios.TIOCGWINSZ, then from environment. Defaults to 25
    lines x 80 columns if both methods fail.

    :param fd: file descriptor (default: 1=stdout)
    """
    try:
        import fcntl, termios, struct
        hw = struct.unpack('hh', fcntl.ioctl(fd, termios.TIOCGWINSZ, '1234'))
    except:
        try:
            hw = (os.environ['LINES'], os.environ['COLUMNS'])
        except:
            hw = (25, 80)

    return hw

def get_terminal_height(fd=1):
    """
    Returns height of terminal if it is a tty, 999 otherwise

    :param fd: file descriptor (default: 1=stdout)
    """
    if os.isatty(fd):
        height = get_terminal_size(fd)[0]
    else:
        height = 999

    return height

def get_terminal_width(fd=1):
    """
    Returns width of terminal if it is a tty, 999 otherwise

    :param fd: file descriptor (default: 1=stdout)
    """
    if os.isatty(fd):
        width = get_terminal_size(fd)[1]
    else:
        width = 999

    return width


height, width = get_terminal_size()
i = 0
while i < 100:
    i += .13
    if i > 100: i = 100
    spaces = int((((width-10)*i/100)))
    print("%s%s%s" % ("|", "-" * (width-2), "|"))

    if i < 100:
        print("|%6.2f %% " % (i), end="")
        print("%s%s%s" % (u"\u2588" * min(width-11, (spaces)), " " * (width-spaces-11), "|"), end="\n")
    if i == 100:
        print("|%6.0f %% " % (i), end="")
        print("%s%s" % (u"\u2588" * (width-11), "|"), end="\n")

    print("%s%s%s" % ("|", "-" * (width-2), "|"))

    # This is just to show you progress over a set time.  Normally this would not be included.
    time.sleep(.0125)

    # You don't want this printed at the end so it doesn't move the cursor back up.  It moves the cursor X
        # lines up for number N in the <>
    if i < 100:
        print("\033[<3>A", end="\r")
        sys.stdout.flush()