in uberpoet/commandlineutil.py [0:0]
def validate_app_gen_options(args):
if bool_xor(args.dot_file_path, args.dot_root_node_name):
logging.info('dot_file_path: "%s" dot_root_node_name: "%s"', args.dot_file_path, args.dot_root_node_name)
raise ValueError('If you specify a dot file config option, you also have to specify the other one')