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安装依赖包
首先安装gcc编译器,gcc有些系统版本已经默认安装,通过 gcc --version 查看,没安装的先安装gcc
yum -y install gcc
安装其它依赖包,(注:不要缺少,否则有可能安装python出错,python3.7.0以下的版本可不装 libffi-devel )
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
下载,解压:
wget https://www.python.org/ftp/python/3.7.1/Python-3.7.1.tar.xz
xz -d -k Python-3.7.1.tar.xz // 解压 test.txt.xz 文件,并使用参数 -k 保持原文件不被删除
tar -xvf Python-3.7.1.tar.xz
建立一个空文件夹,用于存放python371程序(尽量创建到自己的家目录下,不要和系统混淆)
mkdir /home/user/python3
执行配置文件,编译,编译安装:
cd Python-3.7.0
./configure --prefix=/usr/local/python3
make && make install
建立软连接:
ln -s /usr/local/python3/bin/python3.7 /usr/bin/python3
ln -s /usr/local/python3/bin/pip3.7 /usr/bin/pip3
测试一下python3是否可以用:
[root@localhost ~]# python371
Python 3.7.1 (default, Nov 26 2018, 14:29:50)
[GCC 4.8.5 20150623 (Red Hat 4.8.5-28)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print("hello world!")
hello world!
>>> exit()
[root@localhost ~]# pip371 --version
pip 10.0.1 from /home/liuzihe/python371/lib/python3.7/site-packages/pip (python 3.7)
[root@localhost ~]#