全部操作都在root用户下执行

1.安装编译相关工具

yum -y groupinstall "Development tools"

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

yum install libffi-devel -y

2.下载安装包解压

cd #回到用户目录

wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz

tar -xvJf  Python-3.7.0.tar.xz

3.编译安装

mkdir /usr/local/python3 #创建编译安装目录

cd Python-3.7.0

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

make && make install

4.创建软连接

ln -s /usr/local/python3/bin/python3 /usr/local/bin/python3

ln -s /usr/local/python3/bin/pip3 /usr/local/bin/pip3

5.验证是否成功

python3 -V

pip3 -V