python生成字母验证图片

def generate_authenticode():

    letters = random.sample(\’abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789\’,4)

    width = 100

    height = 40

    im = Image.new("RGB", (width, height), (255,255,255))

    dr = ImageDraw.Draw(im)

    font = ImageFont.truetype("/Library/Fonts/arial.ttf",30)

   

    for iin range(4):

        dr.text((5+i*20,5), letters[i], (random.randint(,255), random.randint(,255), random.randint(,255)), font)

    del dr

for xin range(width):

    for yin range(height):

        if im.getpixel((x, y)) == (255,255,255):

            im.putpixel((x, y), (random.randint(,255), random.randint(,255), random.randint(,255)))

im.save(\’result.png\’)

if __name__ =="__main__":