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Installing SpacePy

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Linux Installation

Dependencies

To ensure that you have all dependencies for SpacePy satisfied, there are two approaches. The first is to download a single software suite that installs a comprehensive set of Python libraries; the second is to install the core dependencies yourself.

The Easy Way

Either the Enthought Python Distribution (EPD) or the Python(x,y) distribution will provide Python, numpy, scipy, matplotlib and a host of other useful 3rd-party libraries. In both cases you will still need to install ffnet and CDF by hand.

If you are installing by hand, follow the instructions for your linux distribution below.

Debian and Ubuntu

The following command will install most of the dependencies. It has been checked for Ubuntu 11.10 and Debian 7.0 “wheezy”:

sudo apt-get install python-dev python-numpy build-essential \
python-scipy python-matplotlib python-networkx python-h5py \
python-f2py gfortran ncurses-dev

You can also, of course, install the same packages via synaptic or other package manager of your choice.

Since no packages are available for them, install CDF and ffnet by hand.

Other distributions

For other distributions, check SpacePy Dependencies and install by hand or via your package manager. Once you figure it out, please contact the SpacePy team so we can update this documentation.

CDF

Download the latest CDF library. Choose the file ending in -dist-all.tar.gz from the linux directory. Untar and cd into the resulting directory. Then build:

make OS=linux ENV=gnu CURSES=yes FORTRAN=no UCOPTIONS=-O2 SHARED=yes all

Use CURSES=no if the curses library is not installed. (The distribution-specific directions above will install curses.)

Install:

sudo make install

This will install the library into the default location /usr/local/cdf, where SpacePy can find it. If you choose to install elsewhere, see the CDF documentation, particularly the notes on the CDF_BASE and CDF_LIB environment variables. SpacePy uses these variables to find the library.

ffnet

Download the latest ffnet module. Compilation requires f2py (from numpy), installed in the distribution-specific directions above. Untar and cd into the resulting directory. Then build:

python setup.py build

Either install just for one user:

python setup.py install --user

Or install for all users on the system:

sudo python setup.py install

Normally the correct Fortran compiler will be found; if compilation fails, try specifying the older GNU compiler at the build step:

python setup.py build --fcompiler=gnu

SpacePy

With the dependencies installed, SpacePy is ready to build and install. This uses the same basic setup as ffnet (standard Python distutils).

Build:

python setup.py build

If this fails, specify a Fortran compiler:

python setup.py build --fcompiler=gnu

(python setup.py build --help-fcompiler will list options for Fortran compilers.)

Install for one user:

python setup.py install --user

Or install for all users on the system:

sudo python setup.py install