centos5.x upgrade Python to python2.7 version tutorial _python

First download the python2.7.3 version to the official website, compile and install

Copy Code code as follows:

$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
$./configure
$make && make Install

Then back up the original Python and make the python2.7 a soft connection to the new location

Copy Code code as follows:

$MV/usr/bin/python/usr/bin/python.bak
$LN-S/usr/local/bin/python2.7/usr/bin/python
$python-V

Version hint for 2.7.3
Change Yum to make it work

Copy Code code as follows:

$vim Vim/usr/bin/yum

Change the #/usr/bin/python to #/usr/bin/python2.4 so yum can run normally.

Install Easy_install

Copy Code code as follows:

$yum Install Python-setuptools

Then install Python-setuptools to pypi Web site download Python-setuptools, version to and Yum when the version of the same, otherwise run will appear:

Copy Code code as follows:

$ easy_install RSA
Traceback (most recent call last):
File "/usr/bin/easy_install", line 5, in <module>
From pkg_resources import Load_entry_point
Importerror:no module named Pkg_resources

And then:

Copy Code code as follows:

$wget http://pypi.python.org/packages/source/s/setuptools/setuptools-0.6c5.tar.gz
$tar ZXVF setuptools-0.6c5.tar.gz
$CD setuptools-0.6c5
$python setup.py Install

Installation is successful this makes it easy to use Easy_install to install the Python library.