pounder_test/miniconf-mqtt/miniconf/__main__.py

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2021-08-18 17:41:01 +08:00
#!/usr/bin/python3
"""
Author: Ryan Summers, Robert Jördens
Description: Command-line utility to program run-time settings utilize Miniconf.
"""
import asyncio
import argparse
import logging
import json
from .miniconf import Miniconf
def main():
""" Main program entry point. """
parser = argparse.ArgumentParser(
description='Miniconf command line interface.',
formatter_class=argparse.RawDescriptionHelpFormatter,
epilog='''Examples:
%(prog)s dt/sinara/dual-iir/00-11-22-33-aa-bb stream_target=\
'{"ip": [192, 168, 0, 1], "port": 1000}'
''')
parser.add_argument('-v', '--verbose', action='count', default=0,
help='Increase logging verbosity')
parser.add_argument('--broker', '-b', default='mqtt', type=str,
help='The MQTT broker address')
parser.add_argument('--no-retain', '-n', default=False,
action='store_true',
help='Do not retain the affected settings')
parser.add_argument('prefix', type=str,
help='The MQTT topic prefix of the target')
parser.add_argument('settings', metavar="PATH=VALUE", nargs='+',
help='JSON encoded values for settings path keys.')
args = parser.parse_args()
logging.basicConfig(
format='%(asctime)s [%(levelname)s] %(name)s: %(message)s',
level=logging.WARN - 10*args.verbose)
loop = asyncio.get_event_loop()
async def configure_settings():
interface = await Miniconf.create(args.prefix, args.broker)
for setting in args.settings:
path, value = setting.split("=", 1)
await interface.command(path, json.loads(value), not args.no_retain)
print(f'{path}: OK')
loop.run_until_complete(configure_settings())
if __name__ == '__main__':
main()