Centos 6.8安装python3.5.2

因为学习所需,需要用到python3.x的环境,目前Linux系统默认的版本都是python2.x的,还有一些自带的工具需要用到python2.6版本,所以要求的是python3python2 共存,pip2 和** pip3共存,如何安装python3.x的环境?本文是以Python3.5.2**的版本为例。

Centos 6.8安装python3.5.2_第1张图片
python3.5.2

系统环境:CentOS 6.8-Minimal
1. 安装依赖包:

[root@linuxprobe ~]# yum -y install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel gcc make

2. 下载Python3.5.2

[root@linuxprobe ~]# cd /usr/local/src
[root@linuxprobe src]# wget https://www.python.org/ftp/python/3.5.2/Python-3.5.2.tgz 
# 若提示错误 请加上这个参数"--no-check-certificate"可以下载

3. 安装步骤

[root@linuxprobe src]# mkdir /usr/local/python3.5
[root@linuxprobe src]# tar -zxvf Python-3.5.2.tgz
[root@linuxprobe src]# cd Python-3.5.2
[root@linuxprobe src]# ./configure --prefix=/usr/local/python3.5
[root@linuxprobe src]# make && make install
[root@linuxprobe src]# ln -s /usr/local/python3.5/bin/python3 /usr/bin/python3

或者添加python命令到环境变量

[root@linuxprobe ~]# vim ~/.bash_profile
PATH=$PATH:$HOME/bin:/usr/local/python3.5/bin       #添加python命令的路径
[root@linuxprobe ~]# source ~/.bash_profile

4. 安装setuptools
可以通过官方模块库来下载:https://pypi.python.org/pypi

[root@linuxprobe src]# wget --no-check-certificate  https://pypi.python.org/packages/source/s/setuptools/setuptools-19.6.tar.gz
[root@linuxprobe src]# tar zxvf setuptools-19.6.tar.gz
[root@linuxprobe src]# cd setuptools-19.6.tar.gz
[root@linuxprobe src]# python3 setup.py build
[root@linuxprobe src]# python3 setup.py install
[root@linuxprobe src]# wget --no-check-certificate  https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz
[root@linuxprobe src]#  tar zxvf pip-8.0.2.tar.gz
[root@linuxprobe src]# cd pip-8.0.2
[root@linuxprobe src]# python3 setup.py build
[root@linuxprobe src]# python3 setup.py install
[root@linuxprobe src]# ln -s /usr/local/python3.5/bin/pip /usr/bin/pip
[root@linuxprobe src]# pip --version             #安装成功
pip 8.0.2 from /usr/local/python3.5/lib/python3.5/site-packages/pip-8.0.2-py3.5.egg (python 3.5)

5. 解决python升级后,YUM不能正常工作的问题:

 #!/usr/bin/python
  改成
 #!/usr/bin/python2.6

这样可以保证python2.xpython3.x版本共存,互不冲突了!

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