centos安装python3.5和pip

#安装zlib openssl openssl-devel 
yum install -y zlib zlib-devel  
yum install openssl -y
yum install openssl-devel -y

wget https://www.python.org/ftp/python/3.5.0/Python-3.5.0.tgz   #下载

tar Jxvf  Python-3.5.0.tar.xz   #解压

cd Python-3.5.0     #进入目录

mkdir /usr/local/python3    #创建安装路径

./configure --prefix=/usr/local/python3     #配置安装信息

make    #编译

make install    #安装

mv /usr/bin/python /usr/bin/python2 #把原来的python命令改名

ln -s /usr/local/python3/bin/python3 /usr/bin/python        #建立链接

进入python3.5

[root@localhost Python-3.5.0]# python3
Python 3.5.0 (default, Dec 17 2016, 16:51:33) 
[GCC 4.4.7 20120313 (Red Hat 4.4.7-17)] on linux
Type "help", "copyright", "credits" or "license" for more information.
>>> print("hello world")
hello world
>>> 

安装setuptools

wget --no-check-certificate  https://pypi.python.org/packages/source/s/setuptools/setuptools-19.6.tar.gz#md5=c607dd118eae682c44ed146367a17e26

tar -zxvf setuptools-19.6.tar.gz

cd setuptools-19.6.tar.gz

python setup.py build

python setup.py install

安装pip3

wget --no-check-certificate  https://pypi.python.org/packages/source/p/pip/pip-8.0.2.tar.gz#md5=3a73c4188f8dbad6a1e6f6d44d117eeb

tar -zxvf pip-8.0.2.tar.gz

cd pip-8.0.2

python setup.py build

python setup.py install

ln -s /usr/local/python3/bin/pip3 /usr/bin/pip3     #建立链接