1、安装环境依赖包
sudo apt-get install zlib1g-dev libbz2-dev libssl-dev libncurses5-dev libsqlite3-dev libreadline-dev tk-dev libgdbm-dev libdb-dev libpcap-dev xz-utils libexpat1-dev liblzma-dev libffi-dev libc6-dev
2、创建一个安装目录
sudo mkdir -p /usr/local/python3.7
3、下载python3.7 并解压下载安装包
wget https://www.python/ftp/python/3.7.8/Python-3.7.8.tgz
tar -zxvf Python-3.7.8.tgz
4、进入解压的目录
cd Python3.7.8/
5、编译安装
--prefix用于指定安装位置
--enable-optimizations用于优化配置
./configure --prefix=/usr/local/python3.7 --enable-optimizations
编译步骤较为漫长,根据cpu核心数,使用-j选项采用多线程编译,可以加快编译速度 ,例如我的CPU核心数为8,线程数=核心数*
make -j16
为了防止替换掉系统默认安装版本,使用altinstall
sudo make altinstall
6、建立指向python3.7和pip3.7的软链接
由于存在python3的软链接指向系统默认python3.6,因此建立python3.7指向新安装python版本即可
ln -s /usr/local/python3.7/bin/python3.7 /usr/bin/python3.7
由于系统并未预装pip3,因此直接建立pip3指向新安装pip3即可
ln -s /usr/local/python3.7/bin/pip3.7 /usr/bin/pip3
7、如果默认改成python3.7的,不用python3.6,可以做如下两行
ln -sf /usr/local/python3.7/bin/python3.7 /usr/bin/python3
ln -sf /usr/local/python3.7/bin/pip3.7 /usr/bin/pip3
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