On 8/13/10 11:30 AM, Andrew Walsh wrote: > OK I have it working, thanks Laurent! > This is just to tie this thread off for any Googlers coming to this > thread trying to install rpy2 on Ubuntu.
Thanks for doing so. That's really good practice. > I decided to do a completely fresh installation of Ubuntu. This was > the exact procedure I used. Some may not be necessary but it worked! (some comments below) > 1) Using VMWare workstation (excellent product BTW as you can record > snapshots of working configs), create a new Ubuntu VM just using > defaults. > 2) Install the VMWare tools they recommend. > 3) Download all the Ubuntu package updates. > 4) Install a binary Ubuntu R from the link Laurent suggested > (directions are complete) using > http://cran.r-project.org/bin/linux/ubuntu/ > > cd /etc/apt/ > sudo gedit sources.list > #(adding the line below but use your own local CRAN mirror) > > deb http://<my.favorite.cran.mirror>/bin/linux/ubuntu lucid/ > > 5) > sudo apt-get update > sudo apt-get install r-base > 6) > sudo apt-get build-dep r-base Not needed if you are not going to build R from source. > 7) Download rpy2 from Sourceforge > If I try and install it now it crashes as it is missing dependencies so sudo apt-get install r-base-dev python-dev gcc is probably all you need. > 8) build dependencies for rpy2 > sudo apt-get build-dep rpy2 ...and this is only working because rpy2 is itself packaged and in Dirk's repositories. sudo apt-get install rpy2 is in fact all that you would have needed after setting the repositories (point 4/ above) in order to install a pre-compiled binary. > 9) install rpy2 > sudo python setup.py install > 10) install idle (amazingly Ubuntu do not include this already) > sudo apt-get install idle modularity, modularity... there are plenty of Python IDE and shells around. > 11) idle > > then type > > import rpy2 > import rpy2.robjects > > and NO ERROR! > > I am amazed at how tricky installing apps is under Linux. So many > dependencies. I hope I get used to it but at least I am smiling now. > I will save this snapshot in a very safe place in case I ever have to > reinstall it some time.... In your current worflow, rpy2 is compiled from source. I don't think it would come easier under Windows. > > On Fri, Aug 13, 2010 at 3:17 PM, Laurent Gautier<lgaut...@gmail.com> wrote: >> >> On 8/13/10 6:49 AM, Andrew Walsh wrote: >>> >>> Under Laurent's advice I stopped using Windows for Rpy2 and took days >>> to install Ubuntu Lucid correctly under VMWare exclusively so I could >>> use Rpy2 2.1.4 and R in a project I am working on. >>> I am a complete newbie to Linux and just an apprentice to Python but >>> have 30 years experience with other computing systems. >> >> Then the easiest to get started is probably to use Dirk's packages, at least >> for R: >> http://cran.r-project.org/bin/linux/ubuntu/ >> >>> I followed the instructions exactly although it was not clear if I >>> could install R binaries (and save time) or if I had to compile with >>> the --enable-R-shlib >>> switch. Just to make sure I did the latter and eventually it >>> installed without error. After this I installed Rpy2 2.1.4 and it also >>> installed without error. >>> >>> I can do >>> >>> import rpy2 >>> >>> but >>> >>> import rpy2.robjects or import rpy2.rinterface gives the error >>> >>> ImportError: libR.so: cannot open shared object file: No such file or >>> directory >>> >>> I had a look around the web and found this post that seems to describe >>> the same error. >>> >>> >>> http://bitbucket.org/lgautier/rpy2/issue/30/rpy2-210beta2-ubuntu-karmic-librso-not >>> >>> I can also do R RHOME and it comes up with >>> /usr/local/lib/R >>> >>> In the post above he says: >>> "I was able to fix the problem by creating a link to libR.so in >>> /usr/local/lib, as suggested in the FAQ" >>> >>> Ah this looks promising but as a newbie to Linux I have no idea how to do >>> this. >>> In the FAQ it says >>> >>> "make a link to R_HOME/bin/libR.so in /usr/local/lib, or in some other >>> location that your system knows as a standard place for libraries; >>> then run 'ldconfig' as root; " >>> >>> which is no more help to a Linux newbie. >>> I figure I have to obviously let Linux to understand the link to >>> LibR.so, which is in >>> /usr/local/lib/R/lib ... Aug 2010 >>> and >>> /usr/lib/R/lib ... Jan 2010 >>> >>> but I do not understand how to carry out the above task. >>> I guess this must be very easy since exact directions are not given >>> but none of the various things I have tried have worked. >>> All help and comments appreciated. >>> >>> >>> ------------------------------------------------------------------------------ >>> This SF.net email is sponsored by >>> >>> Make an app they can't live without >>> Enter the BlackBerry Developer Challenge >>> http://p.sf.net/sfu/RIM-dev2dev >>> _______________________________________________ >>> rpy-list mailing list >>> rpy-list@lists.sourceforge.net >>> https://lists.sourceforge.net/lists/listinfo/rpy-list >> >> ------------------------------------------------------------------------------ This SF.net email is sponsored by Make an app they can't live without Enter the BlackBerry Developer Challenge http://p.sf.net/sfu/RIM-dev2dev _______________________________________________ rpy-list mailing list rpy-list@lists.sourceforge.net https://lists.sourceforge.net/lists/listinfo/rpy-list
