args = {
    "host": "<<your host>>",
    "user": "<<your user>>",
    "dbname": "<<your dbname>>",
    "sslcert": "<<path to sslcert>>",
    "sslkey": "<<path to sslkey>>",
    "sslrootcert": "<<path to verification ca chain>>",
    "sslmode": "verify-full"
}

db = sqlalchemy.create_engine('postgresql+psycopg2://', connect_args=args)
connection = db.connect()