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Basics of SpiceyPy

Environment Set-up

Follow the installation instructions provided in the :ref:`installation section <installation>`.

Confirm SpiceyPy installation

There are multiple ways to verify your SpiceyPy installation. The first test is to simply run

pip list

You should see SpiceyPy in the list of your installed packages. If SpiceyPy is not present in the list then a configuration issue in your environment caused SpiceyPy to be installed in a non-standard way. Note this is an error prone to systems with multiple installed python versions.

If SpiceyPy is present in the pip list, then SpiceyPy is installed. Another verification step is within the python REPL run:

import spiceypy as spice

The version of the installed cspice toolkit (note: not SpiceyPy's version) should be printed out. Otherwise the Python interpreter should output an explanatory error message.

A simple example program

The following calls the SPICE function :py:meth:`spiceypy.spiceypy.tkvrsn` which outputs the version of cspice that SpiceyPy is wrapping.

import spiceypy as spice

spice.tkvrsn('TOOLKIT')

This should output the following string:

'CSPICE_N0066'