#!/usr/bin/env python

import curses

import importlib

import sys, traceback

from argparse import ArgumentParser

from spiff_example.curses_ui import CursesUI, CursesUIError

from spiff_example.cli import add_subparsers, configure_logging

if __name__ == '__main__':

parser = ArgumentParser('Simple BPMN App')

parser.add_argument('-e', '--engine', dest='engine', required=True, metavar='MODULE', help='load engine from %(metavar)s')

subparsers = parser.add_subparsers(dest='subcommand')

add_subparsers(subparsers)

args = parser.parse_args()

config = importlib.import_module(args.engine)

try:

if args.subcommand is None:

curses.wrapper(CursesUI, config.engine, config.handlers)

else:

configure_logging()

args.func(config.engine, args)

except Exception as exc:

sys.stderr.write(traceback.format_exc())

sys.exit(1)