centos7 pyton3 安装

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 -y install libffi-devel

2.下载安装包解压

cd #回到用户目录
wget 
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