Install python 2 6 in CentOS

Question

I have a shell that runs CentOS   For a project I m doing  I need python 2 5   but centOS is pretty dependent on 2 4   From what I ve read  a number of things will break if you upgrade to 2 5   I want to install 2 5 separately from 2 4  but I m not sure how to do it  So far I ve downloaded the source tarball  untarred it  and did a   configure --prefix  opt which is where I want it to end up  Can I now just make  make install   Or is there more

User · Answer

If you want to make it easier on yourself  there are CentOS RPMs for new Python versions floating around the net  E g  see   http   www geekymedia com python 26 centos html

User · Answer

No need to do yum or make your own RPM  Build python26 from source   wget https   www python org ftp python 2 6 6 Python-2 6 6 tgz tar -zxvf Python-2 6 6 tgz cd Python-2 6 6   configure  amp  amp  make  amp  amp  make install   There can be a dependency error use   yum install gcc cc   Add the install path   usr local bin python by default  to    bash profile   It will not break yum or any other things which are dependent on python24

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yum groupinstall  Development tools    yum install zlib-devel bzip2-devel openssl-devel ncurses-devel sqlite-devel readline-devel tk-devel   Download and install Python 3 3 0    wget http   python org ftp python 3 3 0 Python-3 3 0 tar bz2   tar xf Python-3 3 0 tar bz2   cd Python-3 3 0     configure --prefix  usr local   make  amp  amp  make altinstall   Download and install Distribute for Python 3 3    wget http   pypi python org packages source d distribute distribute-0 6 35 tar gz   tar xf distribute-0 6 35 tar gz   cd distribute-0 6 35   python3 3 setup py install   Install and use virtualenv for Python 3 3    easy install-3 3 virtualenv   virtualenv-3 3 --distribute otherproject  New python executable in otherproject bin python3 3 Also creating executable in otherproject bin python Installing distribute                   done  Installing pip                done     source otherproject bin activate   python --version Python 3 3 0

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Missing Dependency  libffi so 5  is here     ftp   ftp pbone net mirror centos karan org el5 extras testing i386 RPMS libffi-3 0 5-1 el5 kb i386 rpm

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Chris Lea provides a YUM repository for python26 RPMs that can co-exist with the  native  2 4 that is needed for quite a few admin tools on CentOS   Quick instructions that worked at least for me     sudo rpm -Uvh http   yum chrislea com centos 5 i386 chl-release-5-3 noarch rpm   sudo rpm --import  etc pki rpm-gpg RPM-GPG-KEY-CHL   sudo yum install python26   python26

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When I ve run into similar situations  I generally avoid the package manager  especially if it would be embarrassing to break something  i e  a production server  Instead  I would go to Activestate and download their binary package   https   www activestate com activepython downloads   This is installed by running a script which places everything into a folder and does not touch any system files  In fact  you don t even need root permissions to set it up  Then I change the name of the binary to something like apy26  add that folder to the end of the PATH and start coding  If you install packages with apy26 setup py installor if you use virtualenv and easyinstall  then you have just as flexible a python environment as you need without touching the system standard python   Edits    Recently I ve done some work to build a portable Python binary for Linux that should run on any distro with no external dependencies  This means that any binary shared libraries needed by the portable Python module are part of the build  included in the tarball and installed in Python s private directory structure  This way you can install Python for your application without interfering with the system installed Python   My github site has a build script which has been thoroughly tested on Ubuntu Lucid 10 04 LTS both 32 and 64 bit installs  I ve also built it on Debian Etch but that was a while ago and I can t guarantee that I haven t changed something  The easiest way to do this is you just put your choice of Ubuntu Lucid in a virtual machine  checkout the script with git clone git   github com wavetossed pybuild git and then run the script    Once you have it built  use the tarball on any recent Linux distro  There is one little wrinkle with moving it to a directory other than  data1 packages python272 which is that you have to run the included patchelf to set the interpreter path BEFORE you move the directory  This affects any binaries in  data1 packages python272 bin  All of this is based on building with RUNPATH and copying the dependent shared libraries  Even though the script is in several files  it is effectively one long shell script arranged in the style of  etc rc d directories

User · Answer

You could also use the EPEL-repository  and then do sudo yum install python26 to install python 2 6

User · Answer

I unistalled the original version of python  2 6 6  and install 2 7 with option make  amp  amp  make altinstall  but when I tried install something with yum didn t work   So I solved this issue as follow      ln -s  usr local bin python  usr bin python Download the RPM package python-2 6 6-36 el6 i686 rpm from http   rpm pbone net index php3 stat 4 idpl 20270470 dir centos 6 com python-2 6 6-36 el6 i686 rpm html Execute as root rpm -Uvh python-2 6 6-36 el6 i686 rpm   Done

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you can always make your own RPM   http   www grenadepod com 2009 12 26 building-python-2-6-4-rpm-for-centos-5-4

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Try epel  wget http   download fedoraproject org pub epel 5 i386 epel-release-5-4 noarch rpm sudo rpm -ivh epel-release-5-4 noarch rpm sudo yum install python26   The python executable will be available at  usr bin python26  mkdir -p   bin ln -s  usr bin python26   bin python export PATH   bin  PATH   Append this to your    bash profile for persistence   Now  python command will execute python 2 6

User · Answer

No  that s it  You might want to make sure you have all optional library headers installed too so you don t have to recompile it later  They are listed in the documentation I think   Also  you can install it even in the standard path if you do make altinstall  That way it won t override your current default  python

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Late to the party  but the OP should have gone with Buildout or Virtualenv  and sidestepped the problem completely   I am currently working on a Centos server  well  toiling away would be the proper term and I can assure everyone that the only way I am able to blink back the tears whilst using the software equivalents of fire hardened spears  is  buildout

User · Answer

Type the following commands on the terminal to install Python 3 6 on CentOS 7     sudo yum install https   centos7 iuscommunity org ius-release rpm   Then do      sudo yum install python36u    You can also install any version instead of 3 6  if you want to  by just replacing 36 by your version number

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When you install your python version  in this case it is python2 6  then issue this command to create your virtualenv   virtualenv -p  usr bin python2 6  your virtualenv path here

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rpm -Uvh http   yum chrislea com centos 5 i386 chl-release-5-3 noarch rpm rpm --import  etc pki rpm-gpg RPM-GPG-KEY-CHL rpm -Uvh ftp   ftp pbone net mirror centos karan org el5 extras testing i386 RPMS libffi-3 0 5-1 el5 kb i386 rpm yum install python26 python26   for dos that just dont know

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