先去python官网下载python3安装包:www.python.org

找到适合自己机器版本的包

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执行命令:

wget https://www.python.org/ftp/python/3.7.3/Python-3.7.3.tgz

安装相关编译工具

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 libffi-devel

解压安装包:

tar -xvf Python-3.7.3.tgz 

创建编译文件路径

mkdir /usr/local/python3 //在local目录下创建python3目录
cd /usr/local/Python-3.7.3 //转到解压目录下
//配置安装目录
./configure --prefix=/usr/local/python3

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如果显示如上图所示的错误，只需执行：yum -y install gcc
安装gcc后再次执行上述命令即可
编译源码

make && make install

配置软连接

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

检验：
python3 -V
pip3 -V
`

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ERROR：

1、安装python3.7出现ModuleNotFoundError: No module named ‘_ctypes’解决办法

yum install libffi-devel -y

2、zipimport.ZipImportError: can’t decompress data

yum -y install zlib*