python自动化调用百度api解决验证码

from selenium import webdriver
from PIL import Image
import base64
import requests
import time

def baidu_api(Verification_code, AK, SK):#Verification_code验证码路径,AK,SK百度云的身份识别码
    chrome.get_screenshot_as_file(\'reg.png\')  # 获取登陆页面的图片
    code_img = chrome.find_element_by_xpath(Verification_code)  # 找到验证码图片的位置
    img = Image.open(\'reg.png\')# 保存图片
    c_img = img.crop((code_img.location[\'x\'], code_img.location[\'y\'], code_img.location[\'x\'] + code_img.size[\'width\'],
                      code_img.location[\'y\'] + code_img.size[\'height\']))  # 截取验证码图片
    c_img.save(\'reg_code.png\')
    host = \'https://aip.baidubce.com/oauth/2.0/token?grant_type=client_credentials&\' \\
            \'client_id=\'+AK+\'&\' \\
            \'client_secret=\'+ SK
    response = requests.get(host)
    token = response.json()[\'access_token\']
    request_url = \"https://aip.baidubce.com/rest/2.0/ocr/v1/accurate_basic\"
    f = open(\'reg_code.png\', \'rb\')# 二进制方式打开图片文件
    img = base64.b64encode(f.read())
    params = {\"image\": img}
    access_token = token
    request_url = request_url + \"?access_token=\" + access_token
    headers = {\'content-type\': \'application/x-www-form-urlencoded\'}
    response = requests.post(request_url, data=params, headers=headers)
    dict_a = response.json()[\'words_result\']
    if response:
        dict_a = eval(str(dict_a)[1:-1])#数据类型的格式转换
        dict_a = dict(dict_a)#转化为字典类型
        dict_a = dict_a[\'words\']
        dict_a = \"\".join(dict_a.split())  # 使用一个空字符串合成列表内容生成新的字符串
        dict_a = dict_a.lower()#把大写字母改为小写字母
        return dict_a
    else:
        chrome.refresh()

chrome = webdriver.Chrome()#浏览器实例化
chrome.maximize_window()#最大化浏览器
chrome.get(\'自己登陆的网址\')
test = baidu_api(Verification_code, AK, SK)#返回识别的验证码
chrome = webdriver.Chrome()
print(test)#验证码