python:使用PIL,制作并验证图片验证码

验证码制造

#string模块自带数字、字母、特别字符变量聚集，不须要我们手写聚集
import string
import random
import os
import uuid

import settings
from  PIL import Image, ImageDraw, ImageColor, ImageFilter, ImageFont


class Code(object):
    # 生成随机生成数字或字母
    def random_hexdigits(self, len=1):
        return random.sample(string.hexdigits, len)
    
    # 生成干扰字符
    def punctuation(self, len=1):
        return tuple(random.sample(string.punctuation, len))
    
    # 定义干扰字符色彩
    def random_color(self, min=64, max=255):
        return tuple((random.randint(min, max) for i in range(3)))
    
    # 生成验证码
    def creat_code(self, width=80, height=24, color=(192, 192, 192)):
        image = Image.new("RGB", (width, height), color)
        #建议下载几款字体，变换下作风，我在setting粒定义了static路径，这里就直接导入了
        font = ImageFont.truetype(os.path.join(settings.STATICPATH, "fonts/Lora-Regular.ttf"), 20)
        draw = ImageDraw.Draw(image)
        self.fill_color(draw, image, 5)
        self.fill_dischar(draw, image, 10)
        code = self.fill_char(draw, image, 4, 10, font)
        image_name = "{}.jpeg".format(uuid.uuid4().hex)
        image_path = os.path.join(settings.STATICPATH, "code/{}".format(image_name))
        print(image_path)
        image.save(image_path)
        return {"code": code, "image_path": image_path}
    
    # 填充色彩
    def fill_color(self, draw, image, interval):
        for i in range(0, image.width, interval):
            for j in range(0, image.height, interval):
                draw.point((i, j), fill=self.random_color())
    
    # 填充验证码
    def fill_dischar(self, draw, image, interval):
        for i in range(0, image.width, interval):
            dis = self.punctuation()
            j = random.randrange(3, image.height - 3)
            draw.text((i, j), dis[0], fill=self.random_color(64, 255))
    
    # 填充验证码
    def fill_char(self, draw, image, num, interval, font):
        code = ""
        for i in range(num):
            cha = self.random_hexdigits()
            code += str(cha[0])
            j = random.randrange(0, 5)
            # print(cha)
            # print(image.width*(i/num)+interval,j)
            draw.text((image.width * (i / num) + interval, j), cha[0], fill=self.random_color(32, 127), font=font)
        return code


if __name__ == "__main__":
    code = Code()
    print(code.creat_code())

#string模块自带数字、字母、特别字符