一, 安装 python3.6.1
1, 安装依赖环境
#yum install readline-devel ## 必须安装否则会出现 python3 编译器中不能使用退格键和方向键
2, 下载安装包并解压
- [root@bogon ~]# wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz ## 下载安装包
- [root@bogon ~]# tar zvxf Python-3.6.1.tgz ## 解压安装包
3, 编译并安装
- [root@bogon ~]# cd Python-3.6.1 ## 进入安装包
- [root@bogon Python-3.6.1]# mkdir /usr/local/python3 ## 创建安装目录
- [root@bogon Python-3.6.1]# ./configure --prefix=/usr/local/python3 ## 编译
- [root@bogon Python-3.6.1]# make && make install ## 安装
4, 创建软连接
- [root@bogon Python-3.6.1]# mv /usr/bin/python /usr/bin/python_bak ## 备份原软连接
- [root@bogon Python-3.6.1]# ln -s /usr/local/python3/bin/python3 /usr/bin/python ##chua 创建新的软链接使程序运行时不显示版本号
5, 测试软件能否正常运行
- [root@bogon Python-3.6.1]# python
- Python 3.6.1 (default, Apr 21 2018, 16:42:07)
- [GCC 4.4.7 20120313 (Red Hat 4.4.7-18)] on linux
Type "help", "copyright", "credits" or "license" for more information.
6, 将 / usr/local/python3/bin 加入到环境变量
- [root@bogon Python-3.6.1]# vim ~/.bash_profile
- PATH=$PATH:$HOME/bin:/usr/local/python3/bin
- [root@bogon Python-3.6.1]# source ~/.bash_profile ## 使环境变量生效
- [root@bogon Python-3.6.1]# python3 -V ## 测试 python3 正常
- Python 3.6.1
- [root@bogon Python-3.6.1]# pip3 -V ## 测试 pip3 正常
- pip 9.0.1 from /usr/local/python3/lib/python3.6/site-packages (python 3.6)
7, 修改 yum 指向 python 旧版本
- [root@bogon pip-8.0.2]# vi /usr/bin/yum
- #!/usr/bin/python2.6
二, 安装 pip 及 setuptools
1, 安装 pip 前需要前置安装 setuptools
- [root@bogon ~]# wget --no-check-certificate https://pypi.python.org/packages/source/s/setuptools/setuptools-19.6.tar.gz#md5=c607dd118eae682c44ed146367a17e26
- [root@bogon ~]# tar zxvf setuptools-19.6.tar.gz
- [root@bogon ~]# cd setuptools-19.6
- [root@bogon ~]# python3 setup.py build
- [root@bogon ~]# python3 setup.py install
2, 安装 pip
- [root@bogon ~]# wget --no-check-certificate https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz#md5=3a73c4188f8dbad6a1e6f6d44d117eeb
- [root@bogon ~]# tar zvxf pip-8.0.2.tar.gz
- [root@bogon ~]# cd pip-8.0.2
- [root@bogon pip-8.0.2]# python3 setup.py build
- [root@bogon pip-8.0.2]# python3 setup.py install
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