[TOC]
## Selenium Python bindings 介绍
`Selenium Python bindings` 提供了一系列简单的API，让我们使用`Selenium WebDriver`调用 WebDriver的所有功能，方便得操作像Firefox, IE, Chrome, Remote等等浏览器
## 安装 Selenium Python bindings
```cmd
pip install selenium
```
## 安装浏览器驱动
`WebDriver` 需要通过`浏览器驱动`来与`浏览器`交互。
以下列出几种常用的浏览器驱动下载地址，我建议大家都选择Chrome浏览器来做自动化测试。
Chrome:
[https://sites.google.com/a/chromium.org/chromedriver/downloads](https://sites.google.com/a/chromium.org/chromedriver/downloads)
如果网络不行，可以到我的网盘中下载，我收集了一些,希望有用。
[https://pan.baidu.com/s/1UP33MbEBM_4p1BdXTVHZqw](https://pan.baidu.com/s/1UP33MbEBM_4p1BdXTVHZqw)
Firefox:
[https://github.com/mozilla/geckodriver/releases](https://github.com/mozilla/geckodriver/releases)
Edge:
[https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver](https://developer.microsoft.com/en-us/microsoft-edge/tools/webdriver)
Safari:
[https://webkit.org/blog/6900/webdriver-support-in-safari-10](https://webkit.org/blog/6900/webdriver-support-in-safari-10)
使用不同的浏览器，需要下载对应驱动，并且确保驱动文件如chromedriver.exe放到你的系统环境PATH中,这里我将它放到python安装目录下。D:\Python36\chromedriver.exe
>[warning]注意：选择驱动的版本应该要注意选择与我们的浏览器版本匹配的，否则会出现兼容问题。例如Chrome驱动与Chrome浏览器的支持关系如
>驱动与浏览器的版本支持关系如下：
ChromeDriver 2.41，Supports Chrome v67-69
ChromeDriver 2.40，Supports Chrome v66-68
ChromeDriver 2.37，Supports Chrome v64-66
ChromeDriver 2.35，Supports Chrome v62-64
ChromeDriver 2.33，Supports Chrome v60-62
...
>[success] ## 本书编写时使用的环境
* python 3.6.1
* selenium 3.13.0
* chrome 68.0.3440.84
* chromedriver 2.4.1
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