下载

wget https://www.python.org/ftp/python/3.7.9/Python-3.7.9.tar.xz

解压

tar -xf Python-3.7.9.tar.xz

安装依赖

yum -y install zlib-devel bzip2-devel openssl-devel gcc mysql-devel openldap sqlite-devel libffi-devel python3-devel

源码安装

1. 编译

   ./configure --prefix=/usr/local/python3.7.9

   

2. make && make install

   make && make install

   

   创建软链接

3. python3

   ln -fs /usr/local/python3.7.9/bin/python3 /usr/bin/python3

4. pip3

   ln -fs /usr/local/python3.7.9/bin/pip3 /usr/bin/pip3

5. 或者直接加环境变量 ```bash vim /etc/profile

增加

PATH=$PATH:/usr/local/php/bin:/usr/local/php/sbin/:/usr/local/python3.7.9/bin export PATH

使环境变量生效
```bash
source /etc/profile

测试

python3 -V

pip3 -V