python自动化测试-Selenium安装与使用_device event log impl cc-优快云博客

本文链接：https://blog.youkuaiyun.com/mnbwz/article/details/117619858

本文详细介绍了如何在Windows环境下安装Python和Selenium库，并提供了Selenium与各浏览器驱动的下载链接。通过展示安装过程及测试执行示例，确保了Selenium能成功驱动Chrome浏览器。此外，还展示了Selenium的基本使用方法，如打开百度并输入搜索关键字。

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前提条件-先安装好python

D:\now>python
Python 3.9.2 (tags/v3.9.2:1a79785, Feb 19 2021, 13:44:55) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.
>>>

安装

D:\now>pip install selenium
Looking in indexes: https://pypi.tuna.tsinghua.edu.cn/simple
Collecting selenium
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/80/d6/4294f0b4bce4de0abf13e17190289f9d0613b0a44e5dd6a7f5ca98459853/selenium-3.141.0-py2.py3-none-any.whl (904 kB)
     |████████████████████████████████| 904 kB 24 kB/s
Collecting urllib3
  Downloading https://pypi.tuna.tsinghua.edu.cn/packages/0c/cd/1e2ec680ec7b09846dc6e605f5a7709dfb9d7128e51a026e7154e18a234e/urllib3-1.26.5-py2.py3-none-any.whl (138 kB)
     |████████████████████████████████| 138 kB 242 kB/s
Installing collected packages: urllib3, selenium
Successfully installed selenium-3.141.0 urllib3-1.26.5

安装驱动

检查浏览器版本
各浏览器与驱动下载地址

驱动chromedriver：http://chromedriver.storage.googleapis.com/index.html

驱动geckodriver：https://github.com/mozilla/geckodriver/releases

驱动IEDriverServer：http://selenium-release.storage.googleapis.com/index.html

浏览器google：https://www.google.com/chrome/

浏览器firefox:http://ftp.mozilla.org/pub/firefox/releases/
下载驱动
放到python根目录

测试执行 from selenium import webdriver webdriver.Chrome() 自动启动谷歌浏览器证明安装成功

D:\now>python
Python 3.9.2 (tags/v3.9.2:1a79785, Feb 19 2021, 13:44:55) [MSC v.1928 64 bit (AMD64)] on win32
Type "help", "copyright", "credits" or "license" for more information.

>>> from selenium import webdriver
>>> webdriver.Chrome()

DevTools listening on ws://127.0.0.1:54991/devtools/browser/0c068cc8-d4b1-4fe6-88a8-ecc4cfc21c00
[12624:2956:0606/103032.352:ERROR:device_event_log_impl.cc(214)] [10:30:32.352] USB: usb_device_handle_win.cc:1058 Failed to read descriptor from node connection: 连到系统上的设备没有发挥作用。 (0x1F)
[12624:2956:0606/103032.371:ERROR:device_event_log_impl.cc(214)] [10:30:32.370] Bluetooth: bluetooth_adapter_winrt.cc:1162 RequestRadioAccessAsync failed: RadioAccessStatus::DeniedByUserWill not be able to change radio power.
<selenium.webdriver.chrome.webdriver.WebDriver (session="df68c833ea3780c9380ededbf4a37566")>
>>>

使用

#!/usr/bin/python3
from selenium import webdriver
driver = webdriver.Chrome()
driver.get("http://www.baidu.com")

# Selenium 的定位元素
# driver.find_element_by_id("su").send_keys("python教程")
driver.find_element_by_xpath('//*[@id="su"]').send_keys("python教程")