def __fromDataset(self, dataset, options):
        dsmod = __import__("datasets." + dataset, fromlist=[dataset])
        dsmod.generate(options, self)
Sets the ~/.pgpass file up so that psql and pg_dump doesn't ask 
dataset/ETHPy150Open nasa/RHEAS/src/ensemble.py/Ensemble.__fromDataset--crossover with--dataset/ETHPy150Open duointeractive/django-fabtastic/fabtastic/db/postgres.py/set_pgpass