'''
生成验证码图片
'''

from PIL import Image, ImageDraw, ImageFont, ImageFilter
import random


# 随机字符
def rndChar():
    num = 0
    while num == 0 and ((num >= 58 and num <= 64) or (num >= 91 and num <= 96)):
        num = random.randint(48, 122)
    return num

# 随机颜色


def rndColor():
    return ''