7_2 tesseract处理验证码

一、简单验证码识别处理

""""""


import pytesseract
from PIL import Image
from urllib import request
import time

def main():
    # 这个url也可以通过登录页面分析获取，也可以直接从network复制过来
    url = "https://cas.sru.edu.cn/lyuapServer/captcha.jsp?time0.12309574802401424"
    while True:
        request.urlretrieve(url, 'capt.png')
        image = Image.open('capt.png')
        text = pytesseract.image_to_string(image)
        print(text)
        time.sleep(3)

if __name__ == '__main__':
    main()