【python】python版本升级2.6.6到2.7.3(CentOS release 6.2)

一、 升级python到2.7.3  

wget http://www.python.org/ftp/python/2.7.3/Python-2.7.3.tgz

tar -zxvf Python-2.7.3.tgz

cd Python-2.7.3

mkdir /usr/local/python27

./configure --prefix=/usr/local/python27

make

make install

mv /usr/bin/python /usr/bin/python2.6

ln -s /usr/local/python27/bin/python2.7 /usr/bin/python

以上步骤完成后，输入python应该会显示2.7.3版本了

二、升级完python后，yum居然用不了了- -！需要如下修改

vim /usr/bin/yum

把#!/usr/bin/python改成 #!/usr/bin/python2.6  也就是让yum还是用老版本的python.

三、安装pip

1.先要安装setuptools

wget http://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c11.tar.gz

tar zxvf setuptools-0.6c11.tar.gz

cd setuptools-0.6c11

python setup.py build

python setup.py install

2.安装pip

wget "https://pypi.python.org/packages/source/p/pip/pip-1.5.4.tar.gz#md5=834b2904f92d46aaa333267fb1c922bb" --no-check-certificate

tar -zxvf pip-1.5.4.tar.gz

cd pip-1.5.4

python setup.py  install

按上面的安装了pip后，pip install时出现了报错

pkg_resources.DistributionNotFound: pip==7.1.0

解决：

先安装distribute-0.6.10

wget http://pypi.python.org/packages/source/d/distribute/distribute-0.6.10.tar.gz

tar zxvf distribute-0.6.10.tar.gz

cd distribute-0.6.10

python setup.py install

再安装pip 7.1.0

easy_install pip==7.1.0