#!/usr/bin/env python3

import argparse
import os
import sys

try:
    from rosidl_actions import generate_msg_and_srv
except ImportError:
    # modifying sys.path and importing the Python package with the same
    # name as this script does not work on Windows
    rosidl_actions_root = os.path.dirname(os.path.dirname(__file__))
    rosidl_actions_module = os.path.join(
        rosidl_actions_root, 'rosidl_actions', '__init__.py')
    if not os.path.exists(rosidl_actions_module):
        raise
    from importlib.machinery import SourceFileLoader

    loader = SourceFileLoader('rosidl_actions', rosidl_actions_module)
    rosidl_actions = loader.load_module()
    generate_msg_and_srv = rosidl_actions.generate_msg_and_srv


def main(argv=sys.argv[1:]):
    parser = argparse.ArgumentParser(
        description='Generate .msg and .srv files for actions.',
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument(
        '--generator-arguments-file',
        required=True,
        help='The location of the file containing the generator arguments')
    args = parser.parse_args(argv)

    return generate_msg_and_srv(
        args.generator_arguments_file,
    )


if __name__ == '__main__':
    sys.exit(main())
