linux python3源码安装

• 官网下载所需版本
  https://www.python.org/downloads/source/

wget https://www.python.org/ftp/python/3.7.6/Python-3.7.6.tar.xz

• 安装环境依赖

yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make

• 解压安装

tar -xvf Python-3.7.6.tar.xz

执行cd Python-3.6.5进入解压后的Python-3.7.6录下，依次执行如下三个命令：
./configure --prefix=/root/Python-3.7.6
make
make install

• 配置环境变量

vim /etc/profile
export PYTHON_HOME=/root/Python-3.7.6
export PATH=$PYTHON_HOME/bin:$PATH

• 验证

python --version