Linux系统下Python环境离线安装

第一步

下载指定版本的Python环境(本文以Python版本3.6.2,安装路径/home/dev/env为例)

下载地址:https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tgz

[dev@newuser env]$ wget https://www.python.org/ftp/python/3.6.2/Python-3.6.2.tgz

第二步

解压安装包

[dev@newuser env]$ tar zxvf Python-3.6.2.tgz

第三步

编译python环境

[dev@newuser env]$ cd Python3.6.2
[dev@newuser Python3.6.2]$ ./configure --prefix=/home/dev/env/Python3.6.2
[dev@newuser Python3.6.2]$ make && make install

第四步

修改环境变量

[dev@newuser env]$ vim ~/.bashrc

第五步

使配置的环境变量立即生效

[dev@newuser env]$ source ~/.bashrc

第六步

验证python环境是否成功

[dev@newuser env]$ python3
Python 3.6.2 (default, Feb 21 2023, 14:00:27)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-44)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>

第七步(补充)

pip3 方式批量安装第三方包

[dev@newuser env]$ pip3 install -f ./packages/ -r requirements.txt --no-index --target=/home/fc/env/python3_v1.6_reduce_version/Python-3.6.2/lib/python3.6/site-packages

常见问题解答

问题1描述:

import _ssl # if we can't import it, let the error propagate ImportError: No module named _ssl

解决方案:

sudo yum -y install gcc zlib zlib-devel openssl-devel
重新执行上述第二步

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