# Licensed under a 3-clause BSD style license - see LICENSE.rst
"""
Astronomical and physics constants in SI units.  See :mod:`astropy.constants`
for a complete listing of constants defined in Astropy.
"""
import itertools

from .config import codata, iaudata
from .constant import Constant

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 == "si":
        locals()[_c.abbrev] = _c