使用PhantomJS浏览器加载不出验证码图片

[ijustlearn]

因为本机运行环境问题，58版本的谷歌浏览器调用总是报错，我就改成使用PhantomJS浏览器验证，但是代码在click登陆按钮候加载不出来验证码图片

@LiuXingMing
代码如下：
`# encoding=utf-8

----------------------------------------

语言：Python2.7 #改成了3.6的运行代码

日期：2017-05-01

作者：九茶http://blog.csdn.net/bone_ace

功能：破解四宫格图形验证码，登录m.weibo.cn

----------------------------------------

import time
import random
from PIL import Image
from math import sqrt
from scrapyPro1.scrapyPro1.ims import ims
from io import StringIO,BytesIO
from selenium import webdriver
from selenium.webdriver.remote.command import Command
from selenium.webdriver.common.action_chains import ActionChains
from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
PIXELS = []

def getExactly(im):
""" 精确剪切"""
imin = -1
imax = -1
jmin = -1
jmax = -1
row = im.size[0]
col = im.size[1]
for i in range(row):
for j in range(col):
if im.load()[i, j] != 255:
imax = i
break
if imax == -1:
imin = i

for j in range(col):
    for i in range(row):
        if im.load()[i, j] != 255:
            jmax = j
            break
    if jmax == -1:
        jmin = j
return (imin + 1, jmin + 1, imax + 1, jmax + 1)

def getType(browser):
""" 识别图形路径 """
ttype = ''
time.sleep(3.5)
with open('test.png','wb') as f :
f.write(browser.get_screenshot_as_png())
im0 = Image.open(BytesIO(browser.get_screenshot_as_png()))
box = browser.find_element_by_id('patternCaptchaHolder')
im = im0.crop((int(box.location['x']) + 10, int(box.location['y']) + 100, int(box.location['x']) + box.size['width'] - 10, int(box.location['y']) + box.size['height'] - 10)).convert('L')
newBox = getExactly(im)
im = im.crop(newBox)
width = im.size[0]
height = im.size[1]
for png in ims.keys():
isGoingOn = True
for i in range(width):
for j in range(height):
if ((im.load()[i, j] >= 245 and ims[png][i][j] < 245) or (im.load()[i, j] < 245 and ims[png][i][j] >= 245)) and abs(ims[png][i][j] - im.load()[i, j]) > 10: # 以245为临界值，大约245为空白，小于245为线条；两个像素之间的差大约10，是为了去除245边界上的误差
isGoingOn = False
break
if isGoingOn is False:
ttype = ''
break
else:
ttype = png
else:
break
px0_x = box.location['x'] + 40 + newBox[0]
px1_y = box.location['y'] + 130 + newBox[1]
PIXELS.append((px0_x, px1_y))
PIXELS.append((px0_x + 100, px1_y))
PIXELS.append((px0_x, px1_y + 100))
PIXELS.append((px0_x + 100, px1_y + 100))
return ttype

def move(browser, coordinate, coordinate0):
""" 从坐标coordinate0，移动到坐标coordinate """
time.sleep(0.05)
length = sqrt((coordinate[0] - coordinate0[0]) ** 2 + (coordinate[1] - coordinate0[1]) ** 2) # 两点直线距离
if length < 4: # 如果两点之间距离小于4px，直接划过去
ActionChains(browser).move_by_offset(coordinate[0] - coordinate0[0], coordinate[1] - coordinate0[1]).perform()
return
else: # 递归，不断向着终点滑动
step = random.randint(3, 5)
x = int(step * (coordinate[0] - coordinate0[0]) / length) # 按比例
y = int(step * (coordinate[1] - coordinate0[1]) / length)
ActionChains(browser).move_by_offset(x, y).perform()
move(browser, coordinate, (coordinate0[0] + x, coordinate0[1] + y))

def draw(browser, ttype):
""" 滑动 """
if len(ttype) == 4:
px0 = PIXELS[int(ttype[0]) - 1]
login = browser.find_element_by_id('loginAction')
ActionChains(browser).move_to_element(login).move_by_offset(px0[0] - login.location['x'] - int(login.size['width'] / 2), px0[1] - login.location['y'] - int(login.size['height'] / 2)).perform()
browser.execute(Command.MOUSE_DOWN, {})

    px1 = PIXELS[int(ttype[1]) - 1]
    move(browser, (px1[0], px1[1]), px0)

    px2 = PIXELS[int(ttype[2]) - 1]
    move(browser, (px2[0], px2[1]), px1)

    px3 = PIXELS[int(ttype[3]) - 1]
    move(browser, (px3[0], px3[1]), px2)
    browser.execute(Command.MOUSE_UP, {})
else:
    print ('Sorry! Failed! Maybe you need to update the code.')

if name == 'main':
dcap = dict(DesiredCapabilities.PHANTOMJS) # PhantomJS需要使用老版手机的user-agent，不然验证码会无法通过
dcap["phantomjs.page.settings.userAgent"] = (
"Mozilla/5.0 (Windows NT 10.0; WOW64; rv:53.0) Gecko/20100101 Firefox/53.0"
)
browser = webdriver.PhantomJS(desired_capabilities=dcap)
# options = webdriver.ChromeOptions()
# options.add_experimental_option("excludeSwitches", ["ignore-certificate-errors"])
# browser = webdriver.Chrome(chrome_options=options)
# browser = webdriver.Firefox()
browser.set_window_size(height=1050, width=840)
#browser.get('http://mail.haidilao.com')
browser.get('https://passport.weibo.cn/signin/login?entry=mweibo&r=http://weibo.cn/')

time.sleep(5)
name = browser.find_element_by_id('loginName')
psw = browser.find_element_by_id('loginPassword')
login = browser.find_element_by_id('loginAction')
name.send_keys('测试账号')  # 测试账号
psw.send_keys('测试账号密码')
login.click()

ttype = getType(browser)  # 识别图形路径
print ('Result: %s!' % ttype)
draw(browser, ttype)  # 滑动破解
time.sleep(20)
browser.close()

报错如下： C:\Users\0\AppData\Local\Programs\Python\Python36\python.exe G:/Myproject/scrapyPro1/scrapyPro1/login.py Traceback (most recent call last): File "G:/Myproject/scrapyPro1/scrapyPro1/login.py", line 142, in <module> ttype = getType(browser) # 识别图形路径 File "G:/Myproject/scrapyPro1/scrapyPro1/login.py", line 55, in getType box = browser.find_element_by_id('patternCaptchaHolder') File "C:\Users\0\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 285, in find_element_by_id return self.find_element(by=By.ID, value=id_) File "C:\Users\0\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 787, in find_element 'value': value})['value'] File "C:\Users\0\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\remote\webdriver.py", line 252, in execute self.error_handler.check_response(response) File "C:\Users\0\AppData\Local\Programs\Python\Python36\lib\site-packages\selenium\webdriver\remote\errorhandler.py", line 194, in check_response raise exception_class(message, screen, stacktrace) selenium.common.exceptions.NoSuchElementException: Message: Error Message => 'Unable to find element with id 'patternCaptchaHolder'' caused by Request => {"headers":{"Accept":"application/json","Accept-Encoding":"identity","Connection":"close","Content-Length":"101","Content-Type":"application/json;charset=UTF-8","Host":"127.0.0.1:62340","User-Agent":"Python http auth"},"httpVersion":"1.1","method":"POST","post":"{\"using\": \"id\", \"value\": \"patternCaptchaHolder\", \"sessionId\": \"b17de770-387f-11e7-8a98-152c54fe765a\"}","url":"/element","urlParsed":{"anchor":"","query":"","file":"element","directory":"/","path":"/element","relative":"/element","port":"","host":"","password":"","user":"","userInfo":"","authority":"","protocol":"","source":"/element","queryKey":{},"chunks":["element"]},"urlOriginal":"/session/b17de770-387f-11e7-8a98-152c54fe765a/element"} Screenshot: available via screen
`