watcher.py

#!/usr/bin/env python

import argparse
import pprint

from jujuclient import Environment


def setup():
    parser = argparse.ArgumentParser()
    parser.add_argument('env')
    return parser.parse_args()


def main():
    options = setup()
    env = Environment.connect(options.env)
    watcher = env.watch()

    for change_set in watcher:
        pprint.pprint(change_set)


if __name__ == '__main__':
    main()