前言
本文详细记录了在win7中离线安装python requests的过程，包括安装requests所需依赖包。
环境：win7、python3.8.9（win7中可安装的最新python版本）、无法连接互联网
1、下载安装包
1.1 检查requests模块所需依赖包
在可以上网且已经安装python的机器上检查requests模块需要哪些依赖包，如果这些依赖包未安装，直接安装requests也不能使用。
使用命令：
pip show requests
发现需要chardet，idna，urllib3，certifi
检查这几个包是否已安装，如果未安装，则也需要手工安装。
1.2 下载requests所需依赖包
在网站 https://www.lfd.uci.edu/~gohlke/pythonlibs 上找到相应的程序，下载并传输至目标机器。
1.3 下载requests包
从github下载requests源码包并传输至目标机器。
https://github.com/kennethreitz/requests
将requests-master.zip解压到python的安装目录中
2、安装
2.1 安装requests所需依赖包
安装命令为
pip install xx.whl下图中最后一个是正常安装成功，前面三个有报错信息，目前暂时忽略，因为经过验证没有影响requests安装。
D:\python-lib>pip install urllib3-1.26.8-py2.py3-none-any.whl
Processing d:\python-lib\urllib3-1.26.8-py2.py3-none-any.whl
Installing collected packages: urllib3
ERROR: After October 2020 you may experience errors when installing or updating packages.
This is because pip will change the way that it resolves dependency conflicts.
We recommend you use --use-feature=2020-resolver to test your packages with the
new resolver before it becomes the default.
requests 2.25.1 requires certifi>=2017.4.17, which is not installed.
requests 2.25.1 requires chardet<5,>=3.0.2, which is not installed.
requests 2.25.1 requires idna<3,>=2.5, which is not installed.
Successfully installed urllib3-1.26.8
D:\python-lib>pip install chardet-4.0.0-py3-none-any.whl
Processing d:\python-lib\chardet-4.0.0-py3-none-any.whl
Installing collected packages: chardet
ERROR: After October 2020 you may experience errors when installing or updating
packages. This is because pip will change the way that it resolves dependency co
nflicts.
We recommend you use --use-feature=2020-resolver to test your packages with the
new resolver before it becomes the default.
requests 2.25.1 requires certifi>=2017.4.17, which is not installed.
requests 2.25.1 requires idna<3,>=2.5, which is not installed.
Successfully installed chardet-4.0.0
D:\python-lib>pip install certifi-2019.11.28-py2.py3-none-any.whl
Processing d:\python-lib\certifi-2019.11.28-py2.py3-none-any.whl
Installing collected packages: certifi
ERROR: After October 2020 you may experience errors when installing or updating
packages. This is because pip will change the way that it resolves dependency co
nflicts.
We recommend you use --use-feature=2020-resolver to test your packages with the
new resolver before it becomes the default.
requests 2.25.1 requires idna<3,>=2.5, which is not installed.
Successfully installed certifi-2019.11.28
D:\python-lib>pip install idna-2.8-py2.py3-none-any.whl
Processing d:\python-lib\idna-2.8-py2.py3-none-any.whl
Installing collected packages: idna
Successfully installed idna-2.8
D:\python-lib>2.2 安装requests
在解压好的equests-master目录下打开cmd（或者cmd中切换目录至该路径）
输入命令开始安装
python setup.py install3、检查是否安装成功
在python中使用import requests查看
总结
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