Re: [yt-users] SciPy and YT problem

Hi Roberto and Mike, Would it be worthwhile to try to make PPAs on Ubuntu for this? -Matt On Mon, Aug 27, 2012 at 5:32 AM, trobolo dinni wrote:

The installation worked fine and I can now import yt while in the system python as a standard library. Now I'll check if every feature works fine. Thank you very much for the help Mike!

Cheers, Roberto

2012/8/26 trobolo dinni

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Hi Mike,

Thank you very much for the suggestion, I will try this way.

Cheers, Roberto

2012/8/26 Michael Kuhlen

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Hi Roberto

This is one reason why I typically install yt manually using the system's python installation, instead of running the yt install script. It's really quite straightforward, just go to $YTDIR/ and do "python ./setup.py build", followed by "python ./setup.py install --prefix=$HOME/local", and then make sure that your PYTHONPATH environment variable includes $HOME/local/lib/python2.7/site-packages. Of course with this approach you also have to install all the other yt-dependencies using you system's python (using apt-get, easy_install, pip, or whatever). If you decide to go down this route you may want to start from scratch with your yt installation, since if you did run the yt install script then it probably installed all those packages with the yt-provided python. YMMV.

Apologies to the yt dev's if I'm giving non-standard recommendations here, but this works for me.

Mike

On Sat, Aug 25, 2012 at 8:45 AM, j s oishi wrote:

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The libraries may be, but the headers necessary to build them probably are not. If you're on ubuntu, you may need to install the blas-dev package or whatever it may be called. Or you could build Blas and atlas from sources. This difficulty with building is why we avoid shipping scipy with yt. Sorry it's such a pain!

I am away from my computer, so I am afraid I can't help further.

On Aug 25, 2012 11:11 AM, "trobolo dinni" wrote:

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Hi Jeff,

I already tried that way and I get the same error about Alias and Blas libraries missing (attached)... My question is: since SciPy works fine with the system python, don't those libraries should be already in the system?

Thanks, Roberto

2012/8/25 j s oishi

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Hi Roberto,

Try activating yt and then typing

pip install scipy

I am not sure that will work, but if it does, scipy will certainly be in the right place.

Jeff

On Aug 25, 2012 10:42 AM, "roberto iaconi" wrote: > > Dear YT users, > > I have a problem in installing the SciPy library when using YT > python, > what happens is that: > > -when installing from packages, also after activating yt (i.e. > through > the command sudo apt-get install python-scipy) I get the > confirmation that > SciPy is correctly installed but i cannot import it in YT python, > since > probably the installation is connected to the system python instead. > -when installing from source (by downloading the packages) I get a > lot > of errors concerning missing libraries (mainly blas and atlas). > I installed them and added the paths to a "site.cfg" file, but I am > still getting the same error. > > Also, I appended the system SciPy path through the sys.path.append() > function, in this way I can succesfully import SciPy, but I cannot > import > any sublibrary such as SciPy.optimize (which is the one I > particularly > need). > > By browsing the YT Mailing List I found a user with a similar > problem > > (http://lists.spacepope.org/htdig.cgi/yt-users-spacepope.org/2011-July/001694...), > but there are no suggestions in reply. > > I would like to ask if there is a way to get SciPy installed under > YT or > make it available to be included. > > Cheers, > Roberto > > _______________________________________________ > yt-users mailing list > yt-users@lists.spacepope.org > http://lists.spacepope.org/listinfo.cgi/yt-users-spacepope.org >

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