# Licensed under a 3-clause BSD style license - see LICENSE.rst """ Astronomical and physics constants in cgs units. See :mod:`astropy.constants` for a complete listing of constants defined in Astropy. """ import itertools from .constant import Constant from .config import codata, iaudata for _nm, _c in itertools.chain(sorted(vars(codata).items()), sorted(vars(iaudata).items())): if (isinstance(_c, Constant) and _c.abbrev not in locals() and _c.system in ['esu', 'gauss', 'emu']): locals()[_c.abbrev] = _c