python3 安装-简单

Python3安装(编译安装)

1. 从官网下载压缩的源码

https://www.python.org/ftp/python/3.6.10/Python-3.6.10.tgz

wget https://mirrors.huaweicloud.com/python/3.6.5/Python-3.6.5.tgz

2. 解压

tar -zxvf Python-3.6.10.tgztar -zxvf Python-3.6.10.tgztar -zxvf Python-3.6.10.tgz

3. 编译安装

先安装依赖包

494  yum -y install  zlib-devel

  494  yum -y install bzip2-devel

  495  yum -y install openssl-devel

  496  yum -y install ncurs

  497  yum -y install ncurs Loaded plugins: fastestmirror

  498  yum -y install ncurses-devel

  499  yum -y install sqlite-devel

  500  yum -y install readline-devel

  501  yum -y install tk-devel

  502  yum -y install db3-devel

  503  yum -y install db4-devel

  504  yum -y install libpcap-devel

  505  yum -y install xz-devel

4. 编译和安装

[root@spark:Python-3.6.10]$  ./configure --prefix=/home/hadoop/app/python3

creating Makefile

If you want a release build with all stable optimizations active (PGO, etc),

please run ./configure --enable-optimizations

5. 安装

make && make install

需要5分钟左右的时间，

有如下提示：

Looking in links: /tmp/tmpbtjadby7

Collecting setuptools

Collecting pip

Installing collected packages: setuptools, pip

Successfully installed pip-18.1 setuptools-40.6.2

6. 配置环境变量

[root@spark:bin]$ pwd

/home/hadoop/app/python3/bin

vi ~/.bash_profile

添加：

export PATH=/home/hadoop/app/python3/bin:$PATH

source  ~/.bash_profile