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# MacOS Installation

## Binary Installers

OSX install has become a challenge. With the Enthought transition to Canopy we cannot figure out clean install directions for 3rd party packages and therefore can no longer recommend using EPD for SpacePy.

### Python

The Python that ships with OSX is not going to work. We recommend Python 2.7 from http://www.python.org/download/

### Numpy

There is an OSX package at http://sourceforge.net/projects/numpy/files/NumPy/1.7.1/

### Scipy

There is an OSX package at http://sourceforge.net/projects/scipy/files/scipy/0.12.0/

### Matplotlib

There is an OSX package at http://matplotlib.org/downloads.html

### CDF

If you wish to use CDF files, download and install the NASA CDF library. The default installation directory is recommended to help SpacePy find the library. There is an OSX install package.

> 1. Get the package from ftp://cdaweb.gsfc.nasa.gov/pub/software/cdf/dist/cdf34_1/macosX/
> 2. Unzip and install

### ffnet

> easy_install –user ffnet

### 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

## Full MacPorts Install Instructions

These were current as of 13-May-2013, path especially go out of date quickly. We recommend installing this way for the best results.

### Dependencies

> 1. Install xcode from the app store
> 2. Open xcode
> 3. Xcode -> preferences -> Downloads -> install command line tools
> 4. Install MacPorts (http://www.macports.org/install.php)
> 5. sudo port -v selfupdate
> 6. sudo xcode-select -switch /Applications/Xcode.app
> 7. sudo port install python27
> 8. sudo port select –set python python27
> 9. sudo port install py27-ipython py27-scipy py27-numpy py27-matplotlib readline py27-h5py ipython-select
> 10. sudo port select –set ipython ipython27
> 11. Download and install gfortran (http://gcc.gnu.org/wiki/GFortranBinaries)
> 12. Download spacepy source (or clone from git) (http://spacepy.lanl.gov/download.shtml)

### INSTALL SPACEPY

> 1. python setup.py install -–user (in the spacepy directory after unzip)

### POST INSTALL TWEAKING

> 1. Create .matplotlib/matplotlibrc
> 2. Add: backend : MacOSX
> 3. Add: interactive : True

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