使用splinter python保存图像元素

问题描述

如何将图片保存到文件中?我尝试过这种方式，但我有一个错误.代码是:

How can I save image picture to a file? i tried this way but i have an error.the code is :

from splinter import Browser
import time

with Browser() as browser:
url = "https://password.gmx.com/"
browser.visit(url)
captcha=browser.find_by_id('recaptcha_challenge_container')
output = open ("image.jpg","wb")
output.write(captcha)
output.close()

推荐答案

@alecxe答案的其他说明:
splinter没有用于获取Web元素属性的接口(即get_attribute方法).

Additional note to @alecxe's answer:
splinter doesn't have an interface for getting attribute of web element (i.e. get_attribute method).

使用以下代码使用splinter获取验证码的src:

Use the following code for getting src of captcha using splinter:

script = "document.getElementById('recaptcha_challenge_image').src"
src = browser.evaluate_script(script)

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编辑:感谢@Jérémie！
要获取src属性值，请使用以下命令:

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EDIT: Thanks to @Jérémie!
To get src attribute value use following:

 src = browser.find_by_id('recaptcha_challenge_image')['src']

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