CentOS6.5 install Python2.7.8 and iPython

CentOS6.5 install Python2.7.8 and iPython

CentOS6.5 install python2.7.8 and iPython. Ipython supports tab completion. Of course, the default python is also supported.

Install python2.7.8
 
[Root @ kcw ipython-2.3.0] # tar xf ipython-2.3.0.tar.gz
[Root @ kcw ipython-2.3.0] # cd ipython-2.3.0
[Root @ kcw ipython-2.3.0] #/usr/local/python27/bin/python2.7 setup. py build
[Root @ kcw ipython-2.3.0] #/usr/local/python27/bin/python2.7 setup. py install
Test whether iPython is available
[Root @ kcw ipython-2.3.0] #/usr/local/python27/bin/ipython
WARNING: IPython History requires SQLite, your history will not be saved
Python 2.7.8 (default, Oct 26 2014, 20:29:45)
Type "copyright", "credits" or "license" for more information.
 
IPython 2.3.0 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
% Quickref-> Quick reference.
Help-> Python's own help system.
Object? -> Details about 'object', use 'object ?? 'For extra details.
 
In [1]: print "Hello py"
Hello py
 
In [2]: import sys
 
In [3]: sys. <tab>
 
You can use a soft link for ease of use.
 
[Root @ kcw ipython-2.3.0] # ln-sv/usr/local/python27/bin/python2.7/usr/bin/python27
'/Usr/bin/python27'-> '/usr/local/python27/bin/python2.7'
[Root @ kcw ipython-2.3.0] # ln-sv/usr/local/python27/bin/ipython/usr/bin/
'/Usr/bin/ipython'-> '/usr/local/python27/bin/ipython'

In this way, you can use it directly in bash. Note that there are two versions of python and one iPython in your system. Just use it directly.

[Root @ kcw ipython-2.3.0] # python27
Python 2.7.8 (default, Oct 26 2014, 20:29:45)
[GCC 4.4.7 20120313 (Red Hat 4.4.7-4)] on linux2
Type "help", "copyright", "credits" or "license" for more information.
>>>
[Root @ kcw ipython-2.3.0] # ipython
WARNING: IPython History requires SQLite, your history will not be saved
Python 2.7.8 (default, Oct 26 2014, 20:29:45)
Type "copyright", "credits" or "license" for more information.
 
IPython 2.3.0 -- An enhanced Interactive Python.
? -> Introduction and overview of IPython's features.
% Quickref-> Quick reference.
Help-> Python's own help system.
Object? -> Details about 'object', use 'object ?? 'For extra details.
 
In [1]:

Finally, a script is directly written.

#! /Bin/bash
#
# Rpm-q python
# Upgrade python to python 2.7. Be sure not to uninstall python that comes with the system, because many of the software that comes with the system depends on python that comes with it.
Dir =/tmp/iPython
File1_python-2.7.8.tar. xz
File2=ipython-2.3.1.tar.gz
Num = 'rpm-q python | grep python-8080' # determine if python on your current system is 2.7. Install ipython separately.
If [$? -Eq 0]
Then
Echo "Your python version is 2.7 or later. Please install iPython Usage: yum install ipython separately or follow the instructions below to install ipython"
Exit 0
Fi
######################################## ######################################## ############
If [-d $ dir]
Then
Echo "iPython exist"
Else
Sudo mkdir iPython
Fi
######################################## ######################################## ############
Cd iPython
If [-f $ file]
Then
Echo "$ file is exist"
Tar xf Python-2.7.8.tar.xz
Cd Python-2.7.8
./Configure -- prefix =/usr/local/python27
Sudo make & make install
Else
Wget https://www.python.org/ftp/python/2.7.8/Python-2.7.8.tar.xz
Tar xf Python-2.7.8.tar.xz
Cd Python-2.7.8
Sudo./configure -- prefix =/usr/local/python27
Sudo make & make install
Fi
######################################## ######################################## ##############
# Install iPython on python2.7
If [-f $ file2]
Then
Echo "$ file1 is exist"
Tar xf ipython-2.3.1.tar.gz
Cd ipython-2.3.1
Sudo/usr/local/python27/bin/python2.7 setup. py build
Sudo/usr/local/python27/bin/python2.7 setup. py install
 
Else
Wget https://pypi.python.org/packages/source/ I /ipython/ipython-2.3.1.tar.gz#md5=2b7085525dac11190bfb45bb8ec8dcbf
Tar xf ipython-2.3.1.tar.gz
Cd ipython-2.3.1
Sudo/usr/local/python27/bin/python2.7 setup. py build
Sudo/usr/local/python27/bin/python2.7 setup. py install
Fi
# After installation, add a soft link for direct use. Note that you have two python versions, python27. This is the new version of python and the python version that comes with your system.
Sudo ln-sv/usr/local/python27/bin/python2.7/usr/bin/python27
Sudo ln-sv/usr/local/python27/bin/ipython/usr/bin/

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