PostgreSQL connection

def get_pg_connection(host, user, port, password, database, ssl={}):
    """ PostgreSQL connection """

    return psycopg2.connect(host=host,
                            user=user,
                            port=port,
                            password=password,
                            dbname=database,
                            sslmode=ssl.get('sslmode', None),
                            sslcert=ssl.get('sslcert', None),
                            sslkey=ssl.get('sslkey', None),
                            sslrootcert=ssl.get('sslrootcert', None),
                            )