首先去官网下载如:Python-3.7.3.tgz
Python Source Releases | Python.org
下载python3的包之前,要先安装相关的依赖包,用于下载编译python3:
yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make
(1)安装在/usr/local/python3
创建目录: mkdir -p /usr/local/python3
(2)解压下载好的Python-3.x.x.tgz包(如:我下载的是Python3.7.3.那我这里就是Python-3.7.3.tgz)
输入命令 tar -zxvf Python-3.7.3.tgz
(3)进入python文件夹,生成编译脚本(指定安装目录):
cd Python-3.7.3
./configure --prefix=/usr/local/python3
(4)编译:make
(5)编译成功后,编译安装:make install
输入python3,出现版本号安装完成
安装完成---
whereis python