【python3爬虫】安装beautifulsoup4 、Scrapy、selenium、Django

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最新推荐文章于 2025-04-13 07:30:00 发布

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分类专栏：爬虫/bs4/Scrapy/Selenuim Python3.x/Django

本文链接：https://blog.youkuaiyun.com/weixin_41827162/article/details/84104988

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本文详细介绍了在Windows 10系统上搭建Python开发环境的步骤，包括Python安装、权限配置、C++依赖安装及第三方库如BeautifulSoup4、Scrapy、Selenium的安装方法。同时，提供了常见错误的解决策略。

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以win10为例：

1）安装exe：下载python-3.7.6-amd64.exe ，安装时勾选path和all user；

2）777授权：安装好后，

将文件夹【Lib】【libs】【Scripts】的

属性——安全——组与安全-—Users——高级，

勾选“完全控制”、“修改”，保存即可。

2-1）安装C++依赖：： Microsoft Visual C++ Build Tools 2015，双击visualcppbuildtools_full.exe，选择默认即可，点击安装，等待10分钟左右即可完成安装。下载：http://go.microsoft.com/fwlink/?LinkId=691126

3）安装扩展：

执行 pip install --user beautifulsoup4 安装beautifulsoup4，

执行 pip install --user Scrapy 安装Scrapy，

执行 pip install selenium 安装selenium，

安装Django： https://blog.youkuaiyun.com/weixin_41827162/article/details/84025100

（执行 python -m pip install --user --upgrade pip 升级pip，（如果升级引起兼容性问题，就使用默认pip的吧））

4)安装报错处理：

a. 一般为目录不是777权限导致的操作中断；

b. 多次多个不同python版本下操作文件下载导致版本错乱，在C:\Users\用户\AppData\Local\Temp目录下删除pip文件夹和其他缓存文件即可。

Microsoft Windows [版本 10.0.16299.785]
(c) 2017 Microsoft Corporation。保留所有权利。

C:\Users\Administrator>pip install beautifulsoup4
Collecting beautifulsoup4
Downloading https://files.pythonhosted.org/packages/21/0a/47fdf541c97fd9b6a610cb5fd518175308a7cc60569962e776ac52420387/beautifulsoup4-4.6.3-py3-none-any.whl (90kB)
100% |████████████████████████████████| 92kB 248kB/s
Installing collected packages: beautifulsoup4
Could not install packages due to an EnvironmentError: [WinError 5] 拒绝访问。: 'c:\\program files\\python37\\Lib\\site-packages\\beautifulsoup4-4.6.3.dist-info'
Consider using the `--user` option or check the permissions.

You are using pip version 10.0.1, however version 18.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

C:\Users\Administrator>pip install --user beautifulsoup4
Collecting beautifulsoup4
Using cached https://files.pythonhosted.org/packages/21/0a/47fdf541c97fd9b6a610cb5fd518175308a7cc60569962e776ac52420387/beautifulsoup4-4.6.3-py3-none-any.whl
Installing collected packages: beautifulsoup4
Successfully installed beautifulsoup4-4.6.3
You are using pip version 10.0.1, however version 18.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

C:\Users\Administrator>python -m pip install --upgrade pip
Collecting pip
Using cached https://files.pythonhosted.org/packages/c2/d7/90f34cb0d83a6c5631cf71dfe64cc1054598c843a92b400e55675cc2ac37/pip-18.1-py2.py3-none-any.whl
Installing collected packages: pip
Found existing installation: pip 10.0.1
Uninstalling pip-10.0.1:
Could not install packages due to an EnvironmentError: [WinError 5] 拒绝访问。: 'c:\\program files\\python37\\lib\\site-packages\\pip-10.0.1.dist-info\\entry_points.txt'
Consider using the `--user` option or check the permissions.

You are using pip version 10.0.1, however version 18.1 is available.
You should consider upgrading via the 'python -m pip install --upgrade pip' command.

C:\Users\Administrator>python -m pip install --user --upgrade pip
Collecting pip
Using cached https://files.pythonhosted.org/packages/c2/d7/90f34cb0d83a6c5631cf71dfe64cc1054598c843a92b400e55675cc2ac37/pip-18.1-py2.py3-none-any.whl
Installing collected packages: pip
Successfully installed pip-18.1

C:\Users\Administrator>