CentOS7.4 安装Python3.5

CentOS7.4默认安装了Python 2.7.5，可以使用python -V查看。

记录一下安装CentOS7.4下安装Python3.5。

1). 安装相关包

yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make

2).下载Python3.5.4源码包

wget https://www.python.org/ftp/python/3.5.4/Python-3.5.4.tar.xz

3).编译安装

tar xf Python-3.5.4.tar.xz -C /usr/local/src/
cd /usr/local/src/Python-3.5.4
./configure --prefix=/usr/local/python3
make && make install

4).更新pip

/usr/local/python3/bin/pip3 install --upgrade pip
/usr/local/python3/bin/pip3 list

5).备份python2.7

cd /usr/bin/
mv python python.bak

6).创建软连

ln -s /usr/local/python3/bin/python3 /usr/bin/python

7).查看版本

python -V

8).修改yum配置文件

vim /usr/bin/yum
#!/usr/bin/python2.7

vim /usr/libexec/urlgrabber-ext-down
#! /usr/bin/python2.7

CentOS7.4 安装Python3.5
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