Linux下安装Python3
来源:互联网 发布:相思相见知何日 编辑:程序博客网 时间:2024/04/30 18:17
注意事项:Python3需要readline-devel的支持,如果不安装readline-devel,按回车键会显示“^H”,按方向键也会显示相应的符号值
安装readline-devel的命令:yum install readline-devel
(1)下载Python3的Tarball
wget https://www.python.org/ftp/python/3.4.3/Python-3.4.3.tgz
(2) 解压缩 tar xzvf Python-3.4.3.tgz
(3)进入目录 cd Python-3.4.3
(4)创建Python3的安装目录 mkdir /usr/local/python3 (注:千万不要删除linux自带的Python2.x版本,卸载以后yum命令不能使用,因为yum是用Python2.x写的)
(5)开始编译和安装Python3
[root@localhost Python-3.4.3]# ./configure --prefix=/usr/local/python3
[root@localhost Python-3.4.3]# make && make install
(6)建立指向/usr/bin/python3的软连接
ln -s /usr/local/python3/bin/python3 /usr/bin/python3
这样我们就有了两个版本的Python
[root@localhost Python-3.4.3]# python3
Python 3.4.3 (default, Aug 24 2015, 22:52:32)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-16)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>>
[root@localhost Python-3.4.3]# python
Python 2.6.6 (r266:84292, Jan 22 2014, 09:42:36)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
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