阿里云（ECS）Centos7安装Python3.7.3

1 官方网站下载指定的版本的tgz

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

2 安装几个依赖

yum install openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel
yum install zlib-devel
yum install libffi-devel -y

3 安装

3.1 解压Python3.7.3.tgz并进入

 tar -xvf Python-3.7.3.tgz 
 cd Python-3.7.3

3.2 创建安装的文件夹

mkdir /usr/local/python3.7.3

3.3 配置安装目录

./configure --prefix=/usr/local/python3.7.3

3.4 编译和安装

make && make install

4 配置软连接

ln -s /usr/local/python3.7.3/bin/python3 /usr/bin/python3
ln -s /usr/local/python3.7.3/bin/pip3 /usr/bin/pip3

注：

• 删除软连接的命令：rm -rf /usr/bin/python3