Recursive enabled directory watcher for directory events

watchdir.py

import logging
import sys

import inotify.adapters

_DEFAULT_LOG_FORMAT = '%(asctime)s - %(name)s - %(levelname)s - %(message)s'

_LOGGER = logging.getLogger(__name__)

def _configure_logging():
    _LOGGER.setLevel(logging.DEBUG)

    ch = logging.StreamHandler()

    formatter = logging.Formatter(_DEFAULT_LOG_FORMAT)
    ch.setFormatter(formatter)

    _LOGGER.addHandler(ch)

def _main(thedir):
    i = inotify.adapters.InotifyTree(thedir)

    try:
        for event in i.event_gen():
            if event is not None:
                (header, type_names, watch_path, filename) = event
                _LOGGER.info("WD=(%d) MASK=(%d) COOKIE=(%d) LEN=(%d) MASK->NAMES=%s "
                             "WATCH-PATH=[%s] FILENAME=[%s]",
                             header.wd, header.mask, header.cookie, header.len, type_names,
                             watch_path, filename)
    finally:
        print("exception received")

if __name__ == '__main__':
    if len(sys.argv) != 2:
        print("Usage: {} dirpath".format(sys.argv[0]))

    _configure_logging()
    _main(sys.argv[1])