dotemacs/snippets/python-mode/multicmd

# -*- coding: utf-8 -*-
# name: multicmd
# key: multicmd
# --
#!/usr/bin/env python
import argparse
import logging
import sys

parser = argparse.ArgumentParser(usage="%(prog)s [options] args...")
parser.add_argument("-v", action="append_const", const=1, dest="verbosity", default=[],
                    help="Be more verbose. Can be specified multiple times to increase verbosity further")
subparsers = parser.add_subparsers(help="Action to be taken")

def _action(name):
    def decorator(func):
        parser = subparsers.add_parser(name)
        parser.set_defaults(action=func)
        return parser
    return decorator

@_action("${1:command}")
def cmd_$1(args): 
    $0
    return 0

################################## Boilerplate ################################
def _configure_logging(args):
    verbosity_level = len(args.verbosity)
    if verbosity_level == 0:
        level = "WARNING"
    elif verbosity_level == 1:
        level = "INFO"
    else:
        level = "DEBUG"
    logging.basicConfig(
        stream=sys.stderr,
        level=level,
        format="%(asctime)s -- %(message)s"
        )


#### For use with entry_points/console_scripts
def main_entry_point():
    args = parser.parse_args()
    _configure_logging(args)
    sys.exit(args.action(args))


if __name__ == "__main__":
    main_entry_point()