#!/usr/bin/env python3

from argparse import ArgumentParser
from collections.abc import Sequence
from typing import Optional
from pathlib import Path
from http.server import SimpleHTTPRequestHandler,ThreadingHTTPServer
import sys

def serve(bind, port, directory):
    def handler(request, client_address, server):
        return SimpleHTTPRequestHandler(request, client_address, server, directory=directory)

    with ThreadingHTTPServer((bind, port), handler) as httpd:
        print(*httpd.socket.getsockname())
        try:
            httpd.serve_forever()
        except KeyboardInterrupt:
            return


def main(argv: Optional[Sequence[str]] = None):
    parser = ArgumentParser()
    parser.add_argument('-b', '--bind', metavar='ADDRESS', default='', help='bind to this address')
    parser.add_argument('-p', '--port', default=8080, type=int, help='bind to this port')
    parser.add_argument('directory', type=Path, default=Path.cwd(), nargs="?", help='serve this directory')
    args = parser.parse_args(argv)
    serve(**vars(args))

if __name__ == '__main__':
	sys.exit(main())