Question

我的本地计算机上没有问题。但是当我将其部署在Scrapinghub中的云服务器中时我需要添加geckodriver

如何在我的require.txt中包含geckodriver？

这是我的工作代码

 from selenium import webdriver
 from selenium.webdriver.support.ui import WebDriverWait
 from selenium.webdriver.common.by import By
 from selenium.webdriver.support import expected_conditions as EC
 from selenium.webdriver.common.desired_capabilities import DesiredCapabilities
 from selenium.webdriver.firefox.firefox_binary import FirefoxBinary

 def parse_subpage(self, response):

        profile = webdriver.FirefoxProfile()
        profile.set_preference("network.proxy.type", 1)
        profile.set_preference("network.proxy.http", 
                    "localhost")
        profile.set_preference("network.proxy.http_port", 
                    3128)
        profile.update_preferences()

        capabilities = webdriver.DesiredCapabilities().FIREFOX
        capabilities["marionette"] = True
        driver = webdriver.Firefox(capabilities=capabilities, 
                    firefox_profile=profile)

        driver.get('sample.com')
        driver.quit()

我的Requirement.txt

mysql-connector-python
pytz==2018.9
selenium==3.13.0
geckodriver==0.24.0

观察到错误：

ERROR: Could not find a version that satisfies the requirement geckodriver==0.24.0 (from -r /app/requirements.txt (line 4)) (from versions: none)

Answer 1

此错误消息...

Could not find a version that satisfies the requirement geckodriver==0.24.0 (from -r /app/requirements.txt (line 4)) (from versions: none)

...表示 GeckoDriver 尝试通过 Firefox 启动浏览会话时出错。

根据{{中的文档， geckodriver == 0.24.0 和 selenium == 3.13.0 之间似乎没有不兼容性 3}}。

大概是 Mozilla Firefox 的安装位置出现了问题。您的系统中未安装 Firefox 或默认（所需）位置中未安装 Firefox 。

解决方案

您需要在默认位置安装 Firefox 。如果 Firefox 安装在自定义位置，则需要通过以下方式传递 firefox二进制文件的绝对路径：

from selenium import webdriver
from selenium.webdriver.firefox.firefox_binary import FirefoxBinary

capabilities = webdriver.DesiredCapabilities().FIREFOX
capabilities["marionette"] = True
binary = FirefoxBinary('C:/Program Files/Mozilla Firefox/firefox.exe')
driver = webdriver.Firefox(firefox_binary=binary, capabilities=capabilities, executable_path="C:/Utility/BrowserDrivers/geckodriver.exe")
driver.get("http://www.google.com")

Selenium Geckodriver无法找到满足geckodriver == 4.04.0要求的版本（来自-r /app/requirements.txt（第4行））错误

1 个答案:

解决方案