python 版本升级(CentOS) 从2.6.6升级到2.7.6

 1 #升级前必须先安装其它依赖
 2 yum install readline-devel sqlite-devel bzip2-devel openssl-devel gdbm-devel libdbi-devel ncurses-libs zlib-devel -y
 3 #下载python安装包
 4 wget https://www.python.org/ftp/python/2.7.6/Python-2.7.6.tgz
 5 tar -zxvf Python-2.7.6.tgz
 6 cd Python-2.7.6
 7 ./configure --prefix=/usr/local/python2.7
 8 make && make install
 9 make clean
10 make distclean
11 #移除旧的Python链接
12 mv /usr/bin/python /usr/bin/python2.6.6
13 
14 ln -s /usr/local/python2.7/bin/python2.7 /usr/bin/python
15 #安装setuptools
16 cd ..
17 wget http://pypi.douban.com/packages/source/s/setuptools/setuptools-12.0.5.tar.gz
18 tar zxvf setuptools-12.0.5.tar.gz
19 cd setuptools-12.0.5
20 python setup.py build
21 python setup.py install
22 #手动设置环境变量
23 #vi /etc/profile
24 #添加如下内容：
25 #PY_EZ=/usr/local/python2.7
26 #export PATH=$PY_EZ/bin:$PATH
27 #source /etc/profile  # 当前终端生效，reboot后才会完全生效
28 #echo $PATH
29 #查找easy_install
30 #find / -name easy_install
31 #ln -s /usr/local/python2.7/bin/easy_install /usr/bin/easy_install
32 #easy_install pip
33 #find / -name pip
34 #