Python3.4實現的12306最新驗證碼識別

    import ssl

    import json

    from PIL import Image

    import urllib

    import re

    import urllib.request as urllib2

    if hasattr(ssl, '_create_unverified_context'):

        ssl.create_default_context = ssl._create_unverified_context

    UA = "Mozilla/5.0 (Macintosh; Intel Mac OS X 10_10_2) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/41.0.2272.89 Safari/537.36"

    pic_url = "https://kyfw.12306.cn/otn/passcodeNew/getPassCodeNew?module=login&rand=sjrand&0.21191171556711197"

    def get_img():

        resp = urllib2.urlopen(pic_url)

        raw = resp.read()

        with open('./tmp.jpg', 'wb') as fp:

            fp.write(raw)

        return Image.open('./tmp.jpg')

    def get_sub_img(im, x, y):

        assert 0 <= x <= 3

        assert 0 <= y <= 2

        WITH = HEIGHT = 68

        left = 5 + (67 + 5)  x

        top = 41 + (67 + 5)  y

        right = left + 67

        bottom = top + 67

        return im.crop((left, top, right, bottom))

    def baidu_stu_lookup(im):

        url = "http://stu.baidu.com/n/image?fr=html5&needRawImageUrl=true&id=WU_FILE_0&name=233.png&type=image%2Fpng&lastModifiedDate=Mon+Mar+16+2015+20%3A49%3A11+GMT%2B0800+(CST)&size=&quot;

        im.save("./query_temp_img.png")

        raw = open("./query_temp_img.png", 'rb').read()

        url = url + str(len(raw))

        req = urllib2.Request(url, raw, {'Content-Type': 'image/png', 'User-Agent': UA})

        resp_url = urllib2.urlopen(req).read()


    url = "http://stu.baidu.com/n/searchpc?queryImageUrl=" + urllib2.quote(resp_url)  
    req = urllib2.Request(url, headers={'User-Agent': UA})  
    resp = urllib2.urlopen(req)  
    html = resp.read().decode()  
    return baidu_stu_html_extract(html)  
def baidu_stu_html_extract(html):  

    pattern = re.compile(r"keywords:'(.*?)'")  
    matches = pattern.findall(html)  
    if not matches:  
        return '[UNKOWN]'  
    json_str = matches[0]  
    json_str = json_str.replace('\\x22', '"').replace('\\\\', '\\')  
    result = [item['keyword'] for item in json.loads(json_str)]  
    return '|'.join(result) if result else '[UNKOWN]'  
if __name__ == '__main__':  
    im = get_img()  
    for y in range(2):  
        for x in range(4):  
            im2 = get_sub_img(im, x, y)  
            result = baidu_stu_lookup(im2)  
            print((y, x), result)  </pre> 



 改自https://github.com/andelf/fuck12306/blob/master/fuck12306.py 
 
 Python 3.4 可用