1.下载

https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz

2.上传到服务器

3. 安装相关依赖

yum install gcc openssl-devel bzip2-devel expat-devel gdbm-devel readline-devel sqlite-devel

4. 解压

tar xf Python-3.5.2.tgz

5. 编译

cd Python-3.5.2

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

make && make install

6. 安装虚拟化环境

cd /usr/local/python3/bin/

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

ln -sv /usr/local/python3/bin/python3 /usr/local/bin/

pip3 install virtualenv -i https://mirrors.ustc.edu.cn/pypi/web/simple

Collecting virtualenv

ln -sv /usr/local/python3/bin/virtualenv /usr/local/bin/

7. 建立python3独立环境

virtualenv -p /usr/local/bin/python3 /py3env

8．激活python3环境

source /py3env/bin/activate

或者

. /py3env/bin/activate

9. 验证python3环境

python

10. 退出独立python3环境使用

deactivate

CentOS7中安装Python3.5