1、 安装python3.7之前需要先安装一些依赖
[root@python3 ~]# yum -y install zlib-devel bzip2-devel openssl-devel openssl-static ncurses-devel sqlite-devel readline-devel tk-devel gdbm-devel db4-devel libpcap-devel xz-devel libffi-devel lzma gcc
2、 下载python3.7安装包,方法很多,我这里直接用wget从官网上下载
[root@python3 ~]# cd /usr/local/
[root@python3 src]# wget https://www.python.org/ftp/python/3.7.0/Python-3.7.0.tar.xz
将安装包下载到/usr/local/目录下
3、 解压&&移动
[root@python3 src]# tar xvf Python-3.7.0.tar.xz
[root@python3 src]# mv Python-3.7.0 /usr/local/python-3.7
4、 安装&&编译
[root@python3 python-3.7]# ./configure --prefix=/usr/local/python3
将python3.7安装到/usr/local/python3目录下
[root@python3 python-3.7]# make && make install
安装完成后,若出现以下两行,说明安装成功;
Installing collected packages: setuptools, pip
Successfully installed pip-10.0.1 setuptools-39.0
5、 安装成功之后就能使用了
[root@python3 python-3.7]# /usr/local/python3/bin/python3
Python 3.7.0 (default, Mar 15 2019, 00:44:37)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-36)] on linux
Type “help”, “copyright”, “credits” or “license” for more information.
虽然能用了,但是命令较长使用起来并不方便
配置环境变量
执行
vi /etc/profile,打开配置文件,添加如下配置
#配置python
export PYTHON_HOME=/usr/local/python3/
export PATH=PYTHONHOME/bin:PYTHON_HOME/bin:PYTHONHOME/bin:PATH
保存退出(:wq),
执行source /etc/profile命令使配置生效
查看
[root@python3 ~]# python3 -V
Python 3.7.0