快速升级python到2.7

(python logo来自互联网)

摘自 Installing python 2.7 on centos 6.3. Follow this sequence exactly for centos machine only

yum groupinstall "Development tools" -y
yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel -y
cd /tmp
wget --no-check-certificate https://www.python.org/ftp/python/2.7.6/Python-2.7.6.tar.xz
tar xf Python-2.7.6.tar.xz
cd Python-2.7.6
./configure --prefix=/usr/local
make && make altinstall

ln -s /usr/local/bin/python2.7 /usr/local/bin/python

which python


wget https://bitbucket.org/pypa/setuptools/raw/bootstrap/ez_setup.py
/usr/local/bin/python2.7 ez_setup.py
/usr/local/bin/easy_install-2.7 pip
which pip
which easy_install

删除旧的

/usr/bin/pip --version
/usr/bin/easy_install --version

cd /usr/local/bin
mv pip pip2.6
mv easy_install easy_install-2.6
ln -s pip2.7 pip
ln -s easy_install-2.7 easy_install


cd /usr/bin/
mv pip pip.old
mv pip2 pip2.old
mv pip2.6 pip2.6.old

mv easy_install easy_install.old
mv easy_install-2.6 easy_install-2.6.old

更新PIP

pip install --upgrade pip

新的python都被装到 /usr/local/bin/ 下。