源码安装python3

这里安装的是python3.9

安装python3.9.0

安装开发工具

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 

安装python

wget -c https://www.python.org/ftp/python/3.9.0/Python-3.9.0.tgz
tar -xzvf Python-3.9.0.tgz && cd Python-3.9.0
./configure --prefix=/usr/local/lib/python3.9
make && make install

验证是否可用

cd /usr/local/lib/python3.9

修改pip3的软连接
修改python3的软连接

ln -s /usr/local/lib/python3.9/bin/python3 /usr/bin/python3
ln -s /usr/local/lib/python3.9/bin/pip3 /usr/bin/pip3

相同版本的依赖，只要直接复制到对应位置即可。

pip3 install pymysql