Linux下安装python3.6教程

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Linux下安装python3教程

安装python3.6

  • 安装依赖环境
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    $ 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

下载Python3

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下载地址 https://www.python.org/downloads/
$ wget https://www.python.org/ftp/python/3.6.1/Python-3.6.1.tgz

安装python3

  • 我个人习惯安装在/usr/local/python3（具体安装位置看个人喜好）

  • 创建目录：

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    $ mkdir -p /usr/local/python3

  • 解压下载好的Python-3.x.x.tgz包(具体包名因你下载的Python具体版本不不同⽽而不不同，如：我下载的是Python3.6.1.那我这里就是Python-3.6.1.tgz)

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    $ tar -zxvf Python-3.6.1.tgz

  • 进入解压后的目录，编译安装。

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    $ cd Python-3.6.1
    $ ./configure --prefix=/usr/local/python3

  • make

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    $ make

  • make install

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    $make install

建立python3的软链

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

并将/usr/local/python3/bin加入PATH

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$ vim ~/.bash_profile
$ .bash_profile
$ Get the aliases and functions
if [ -f ~/.bashrc ]; then
. ~/.bashrc
fi
$ User specific environment and startup programs
PATH=$PATH:$HOME/bin:/usr/local/python3/bin
export PATH

  • 按ESC，输入:wq回车退出。

  • 修改完记得执行行下面的命令，让上一步的修改生效：

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    $ source ~/.bash_profile

  • 检查Python3及pip3是否正常可用：

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    $ python3 -V
    Python 3.6.1
    $ pip3 -V
    pip 9.0.1 from /usr/local/python3/lib/python3.6/site-packages (python 3.6)

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