attempted sprite font generator

gen.py

from PIL import Image, ImageFont, ImageDraw, ImageColor

SEPERATOR_COLOR = ImageColor.getrgb("#0000ffff")
GLYPHS = " abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789.:<[=>\\{]!|@~_\"`$%'()&}+*,-^#?/;"
SIZE = 12
ANCHOR = "la"
FILL = "white"
FEATURES = ""

font = ImageFont.truetype("arial.ttf", SIZE)

with Image.new("RGBA", (1, 1), (0, 0, 0, 0)) as image:

    for i in list(GLYPHS):
        height = font.getbbox(i, anchor=ANCHOR, features=FEATURES)[1] + font.getbbox(i, anchor=ANCHOR, features=FEATURES)[3]
        image = image.resize((
            image.size[0] + round(font.getlength(i, features=FEATURES)),
            max(height, image.size[1])
        ))
    draw_x = 0
    draw = ImageDraw.Draw(image)
    for i in list(GLYPHS):
        draw.line([draw_x, 0, draw_x, image.size[1]], fill=SEPERATOR_COLOR)
        draw.text((draw_x, 0), i, font=font, anchor=ANCHOR, fill=FILL, features=FEATURES)
        draw_x += font.getlength(i, features=FEATURES)
    draw.line([draw_x, 0, draw_x, image.size[1]], fill=SEPERATOR_COLOR)

    image.save("font.png", "png")