inotify wrapper - Use inotify to watch for changes (saved from a 2019 repo)

Dockerfile

FROM python:3

WORKDIR /usr/src/app

COPY requirements.txt ./
RUN pip install --no-cache-dir -r requirements.txt

COPY . .
ENTRYPOINT [ "python", "./main.py" ]

main.py

import argparse
import subprocess
from inotify_simple import INotify, flags

if __name__ == "__main__":
    # Look for arguments
    parser = argparse.ArgumentParser()
    parser.add_argument('-d', dest='directory',
                        help='directory to watch for file changes')
    parser.add_argument('-c', dest='command',
                        help='command to run when changes are detected')
    args = parser.parse_args()

    # Setup inotify
    inotify = INotify()
    watch_flags = flags.CREATE | flags.DELETE | flags.MODIFY | \
        flags.DELETE_SELF

    wd = inotify.add_watch(args.directory, watch_flags)

    # Wait for inotify events
    while True:
        _ = inotify.read(read_delay=1000)
        subprocess.call(args.command, shell=True)

requirements.txt

inotify-simple==1.1.8