Centos7.9 安装python3.12.4

安装前准备工作:

1、[重新安装Openssl 1.1.1w](http://www.bravedu.com/archives/270/ "重新安装Openssl 1.1.1w")

2、[替换镜像配置](http://www.bravedu.com/archives/271/ "替换镜像配置")

3、[升级gcc 4.8.5 -> gcc 11](http://www.bravedu.com/archives/272/ "升级gcc 4.8.5 -> gcc 11")

安装: python3.12.4

一、下载解压
```
wget https://www.python.org/ftp/python/3.12.4/Python-3.12.4.tar.xz

tar xzvf Python-3.12.4.tar.xz
```

二、安装依赖:
```
sudo yum -y groupinstall "Development Tools"
sudo yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel gcc-c++
```

三、编译安装

```
cd Python-3.12.4

./configure --enable-optimizations --prefix=/usr/local/python3.12 --with-openssl=/usr/local/openssl-1.1.1w

sudo make && sudo make install

sudo ln -s /usr/local/python3.12/bin/python3.12 /usr/bin/python3.12

```
四、创建虚拟机
```
python -m venv aa_env
source aa_env/bin/activate
```

五、升级pip
```
pip install -i http://mirrors.aliyun.com/pypi/simple/ --trusted-host=mirrors.aliyun.com --upgrade pip
```
六、安装服务
```
pip install -r requirements.txt -i http://mirrors.aliyun.com/pypi/simple/
```
解决--trusted-host mirrors.aliyun.com

一、修改镜像
```
pip config set global.index-url https://mirrors.aliyun.com/pypi/simple/
```

```
常用镜像源
豆瓣	http://pypi.douban.com/
华中理工大学	http://pypi.hustunique.com/
山东理工大学	http://pypi.sdutlinux.org/
中国科学技术大学	http://pypi.mirrors.ustc.edu.cn/
阿里云	https://mirrors.aliyun.com/pypi/simple/
```

二、在虚拟环境文件夹加入,pip.conf该方法是一劳永逸
避免--trusted-host mirrors.aliyun.com
```
vim aa_env/pip.conf

[global]
index-url = http://mirrors.aliyun.com/pypi/simple/
[install]
trusted-host=mirrors.aliyun.com
```

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Centos7.9 安装python3.12.4

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