import time

 from io import BytesIO

 from PIL import Image

 from selenium import webdriver

 from selenium.webdriver import ActionChains

 from selenium.webdriver.common.by import By

 from selenium.webdriver.support.ui import WebDriverWait

 from selenium.webdriver.support import expected_conditions as EC

 EMAIL = '' # 邮箱 密码需要自己注册

 PASSWORD = ''

 BORDER = 6

 INIT_LEFT = 60

 class CrackGeetest():

     def __init__(self):

         self.url = 'https://account.geetest.com/login'

         self.browser = webdriver.Chrome()

         self.wait = WebDriverWait(self.browser, 20)

         self.email = EMAIL

         self.password = PASSWORD

     def __del__(self):

         self.browser.close()

     def get_geetest_button(self):

         """

         获取初始验证按钮

         :return:

         """

         button = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'geetest_radar_tip')))

         return button

     def get_position(self):

         """

         获取验证码位置

         :return: 验证码位置元组

         """

         img = self.wait.until(EC.presence_of_element_located((By.CLASS_NAME, 'geetest_canvas_img')))

         time.sleep(2)

         location = img.location

         size = img.size

         top, bottom, left, right = location['y'], location['y'] + size['height'], location['x'], location['x'] + size[

             'width']

         return (top, bottom, left, right)

     def get_screenshot(self):

         """

         获取网页截图

         :return: 截图对象

         """

         screenshot = self.browser.get_screenshot_as_png()

         screenshot = Image.open(BytesIO(screenshot))

         return screenshot

     def get_slider(self):

         """

         获取滑块

         :return: 滑块对象

         """

         slider = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'geetest_slider_button')))

         return slider

     def get_geetest_image(self, name='captcha.png'):

         """

         获取验证码图片

         :return: 图片对象

         """

         top, bottom, left, right = self.get_position()

         print('验证码位置', top, bottom, left, right)

         screenshot = self.get_screenshot()

         captcha = screenshot.crop((left, top, right, bottom))

         captcha.save(name)

         return captcha

     def open(self):

         """

         打开网页输入用户名密码

         :return: None

         """

         self.browser.get(self.url)

         email = self.wait.until(EC.presence_of_element_located((By.ID, 'email')))

         password = self.wait.until(EC.presence_of_element_located((By.ID, 'password')))

         email.send_keys(self.email)

         password.send_keys(self.password)

     def get_gap(self, image1, image2):

         """

         获取缺口偏移量

         :param image1: 不带缺口图片

         :param image2: 带缺口图片

         :return:

         """

         left = 60

         for i in range(left, image1.size[0]):

             for j in range(image1.size[1]):

                 if not self.is_pixel_equal(image1, image2, i, j):

                     left = i

                     return left

         return left

     def is_pixel_equal(self, image1, image2, x, y):

         """

         判断两个像素是否相同

         :param image1: 图片1

         :param image2: 图片2

         :param x: 位置x

         :param y: 位置y

         :return: 像素是否相同

         """

         # 取两个图片的像素点

         pixel1 = image1.load()[x, y]

         pixel2 = image2.load()[x, y]

         threshold = 60

         if abs(pixel1[0] - pixel2[0]) < threshold and abs(pixel1[1] - pixel2[1]) < threshold and abs(

                 pixel1[2] - pixel2[2]) < threshold:

             return True

         else:

             return False

     def get_track(self, distance):

         """

         根据偏移量获取移动轨迹

         :param distance: 偏移量

         :return: 移动轨迹

         """

         # 移动轨迹

         track = []

         # 当前位移

         current = 0

         # 减速阈值

         mid = distance * 4 / 5

         # 计算间隔

         t = 0.2

         # 初速度

         v = 0

         while current < distance:

             if current < mid:

                 # 加速度为正2

                 a = 2

             else:

                 # 加速度为负3

                 a = -3

             # 初速度v0

             v0 = v

             # 当前速度v = v0 + at

             v = v0 + a * t

             # 移动距离x = v0t + 1/2 * a * t^2

             move = v0 * t + 1 / 2 * a * t * t

             # 当前位移

             current += move

             # 加入轨迹

             track.append(round(move))

         return track

     def move_to_gap(self, slider, track):

         """

         拖动滑块到缺口处

         :param slider: 滑块

         :param track: 轨迹

         :return:

         """

         ActionChains(self.browser).click_and_hold(slider).perform()

         for x in track:

             ActionChains(self.browser).move_by_offset(xoffset=x, yoffset=0).perform()

         time.sleep(0.5)

         ActionChains(self.browser).release().perform()

     def login(self):

         """

         登录

         :return: None

         """

         submit = self.wait.until(EC.element_to_be_clickable((By.CLASS_NAME, 'login-btn')))

         submit.click()

         time.sleep(10)

         print('登录成功')

     def crack(self):

         # 输入用户名密码

         self.open()

         # 点击验证按钮

         button = self.get_geetest_button()

         button.click()

         # 获取验证码图片

         image1 = self.get_geetest_image('captcha1.png')

         # 点按呼出缺口

         slider = self.get_slider()

         slider.click()

         # 获取带缺口的验证码图片

         image2 = self.get_geetest_image('captcha2.png')

         # 获取缺口位置

         gap = self.get_gap(image1, image2)

         print('缺口位置', gap)

         # 减去缺口位移

         gap -= BORDER

         # 获取移动轨迹

         track = self.get_track(gap)

         print('滑动轨迹', track)

         # 拖动滑块

         self.move_to_gap(slider, track)

         success = self.wait.until(

             EC.text_to_be_present_in_element((By.CLASS_NAME, 'geetest_success_radar_tip_content'), '验证成功'))

         print(success)

         # 失败后重试

         if not success:

             self.crack()

         else:

             self.login()

 if __name__ == '__main__':

     crack = CrackGeetest()

     crack.crack()