import argparse

parser = argparse.ArgumentParser(
    description='Animate the results from OpenFoam'
)
parser.add_argument('var', type=str,
    help='OpenFoam variable to display')
parser.add_argument('-c', '--config', type=str,
    help='Configuration file')

args = parser.parse_args()
if args.config == None:
    args.config = 'config.ini'

if args.var == 'alpha.water':
    import alpha_water
    alpha_water.animate(args.config)