[pyngl-talk] Help with PyNIO installation
hallock at ucar.edu
Wed Dec 7 13:19:38 MST 2016
While Anaconda can be installed on Windows, we only have Mac OS X and Linux 64-bit versions of PyNGL or PyNIO available on Anaconda. In your case, I think Linux virtual machines would probably be the best/simplest option.
> On Dec 7, 2016, at 12:41 PM, Fan, Xingang <xingang.fan at wku.edu> wrote:
> Hi, Kevin:
> Thank you so much for getting back with me!
> I am trying anaconda on my MacBook Pro.
> One question: Can anaconda be installed on Windows system with the PyNGL and PyNIO, pygrib to work? Or it has to be on a virtual machine. Our lab have all windows machines. Thanks!
> From: Kevin Hallock <hallock at ucar.edu <mailto:hallock at ucar.edu>>
> Date: Wednesday, December 7, 2016 1:37 PM
> To: Xingang Fan <xingang.fan at wku.edu <mailto:xingang.fan at wku.edu>>
> Cc: "pyngl-talk at ucar.edu <mailto:pyngl-talk at ucar.edu>" <pyngl-talk at ucar.edu <mailto:pyngl-talk at ucar.edu>>
> Subject: Re: [pyngl-talk] Help with PyNIO installation
> Is there any chance you could possibly use Anaconda/Miniconda on these virtual machines instead of Enthought Canopy? As far as I am aware, there is no easy way for us to create and distribute a version of our software that is built against Enthought Canopy’s libraries.
> However, we do have up-to-date versions PyNGL and PyNIO (and NCL) available on the "conda-forge” Anaconda channel, which also hosts many other commonly used scientific packages (including pygrib!). Unfortunately, Anaconda and Enthought Canopy may not be compatible; in order for Anaconda to work properly, its provided python needs to be the “default” python.
> We have information regarding the installation of Anaconda/Miniconda on the PyNGL/PyNIO download page: https://www.pyngl.ucar.edu/Download/ <https://www.pyngl.ucar.edu/Download/>
> In order to use the recommended "conda-forge" versions (different from the example on the linked page), create a conda environment using a command such as:
> conda create --name <env_name> --channel conda-forge pynio pyngl
> and then activate the environment:
> source activate <env_name>
> Note that “<env_name>” can be whatever you would like your conda environment to be named; for example, the linked documentation above uses “pyn_test”.
> If using Anaconda/Miniconda is not possible, then we will have to further troubleshoot building PyNIO from source code.
> Please let us know if this information helps!
>> On Dec 6, 2016, at 12:38 PM, Fan, Xingang <xingang.fan at wku.edu <mailto:xingang.fan at wku.edu>> wrote:
>> I am using Enthought Canopy as my default python. I would like to get PyNIO and PyNGL installed.
>> I have tried to download the prebuilt binaries, none of them work for my Ubuntu environment (I have to use the VirtualBox and have a Virtual Machine of Ubuntu system on my windows machines for our classroom use, because I wanted to have pygrib, PyNIO, and PyNGL). Although the prebuilt packages worked for my MacBook Pro, where the Canopy was also installed.
>> Then I had to try to install from the source code of PyNIO. I have followed the instructions online at https://www.pyngl.ucar.edu/Download/build_pynio_from_src.shtml <https://www.pyngl.ucar.edu/Download/build_pynio_from_src.shtml#HDF4>.
>> And all non-optional packages have been installed without problem. However, when I get down to install PyNIO, it seemed installed, but the import Nio showed the following error messages:
>> import Nio
>> ImportError Traceback (most recent call last)
>> <ipython-input-1-d77b80fd2dfc> in <module>()
>> ----> 1 import Nio
>> /home/xfan/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/PyNIO/Nio.py in <module>()
>> 61 '''
>> ---> 63 from nio import *
>> 64 from nio import _C_API
>> ImportError: /home/xfan/Canopy/appdata/canopy-220.127.116.1148.rh5-x86_64/lib/libgfortran.so.3: version `GFORTRAN_1.4' not found (required by /home/xfan/Enthought/Canopy_64bit/User/lib/python2.7/site-packages/PyNIO/nio.so)
>> PLEASE help see what's the problem. While installing, I have the following environment variables set:
>> export HAS_NETCDF4=1
>> export HAS_HDF5=1
>> export NETCDF_PREFIX=/usr/local
>> export F2CLIBS=gfortran
>> export F2CLIBS_PREFIX=/usr/lib/x86_64-linux-gnu
>> Xingang Fan, Ph. D., | Department of Geography and Geology
>> Associate Professor | Western Kentucky University
>> of Meteorology | 1906 College Heights Blvd., #31066
>> 270-745-5980 | Bowling Green, KY 42101-1066
>> xingang.fan at wku.edu <mailto:xingang.fan at wku.edu>
>> http://people.wku.edu/xingang.fan <http://people.wku.edu/xingang.fan>_______________________________________________
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