Source code for xotl.tools.cli.app

#!/usr/bin/env python
# -*- coding: utf-8 -*-
# ---------------------------------------------------------------------
# Copyright (c) Merchise Autrement [~º/~] and Contributors
# All rights reserved.
#
# This is free software; you can do what the LICENCE file allows you to.
#

"""A simple `main`:func: entry point for CLI based applications.

This module provides an example of how to use `xotl.tools.cli`:mod: to create a
CLI application.

"""


[docs]def main(default=None): """Execute a command. It can be given as the first program argument or it's the `default` command is defined. """ import sys from xotl.tools.cli import Command, HELP_NAME args = sys.argv[1:] if args and not args[0].startswith("-"): cmd_name = args[0] args = args[1:] else: cmd_name = default or Command.get_setting("default_command", None) or HELP_NAME cmds = Command.registry cmd = cmds.get(cmd_name) if not cmd: print('Command "%s" not found!\n' % cmd_name) cmd = cmds.get(HELP_NAME) args = [] sys.exit(cmd().run(args))
if __name__ == "__main__": main()