thinftp/main.py at master · harishtpj/thinftp · GitHub

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# The main CLI entrypoint for thinFTP Server
#
# This script parses command-line arguments and starts the thinFTP server.

import argparse
import getpass
import sys
import traceback

from thinftp.logger import get_logger
from thinftp.server import start_server
from thinftp import __version__ as tftp_version


def main():
    """Main entry point for the thinftp CLI."""
    # Parse command-line arguments
    parser = argparse.ArgumentParser(prog="thinftp",
                                     description="A simple FTP server for testing purposes",
                                     epilog="Examples:\n"
                                            "  thinftp -h localhost -p 2121 -u testuser -d ./testdir\n"
                                            "  thinftp --bind localhost --port 2121 --user testuser --directory ./testdir")

    parser.add_argument('-v', '--version',
                        action="version",
                        version=f"%(prog)s {tftp_version}")

    parser.add_argument('-b', '--bind',
                        default="0.0.0.0",
                        help="Binds the IP address of the server (default: %(default)s)")

    parser.add_argument('-p', '--port',
                        default=2528,
                        type=int,
                        help="Sets the Port of the server (default: %(default)s)")

    parser.add_argument('-u', '--user',
                        default=getpass.getuser(),
                        help="Sets the Username for the server")

    parser.add_argument('-d', '--directory',
                        default=".",
                        help="Sets the root Directory (default: %(default)s)")

    parser.add_argument('-D', '--debug',
                        action='store_true',
                        help="Enable DEBUG logs")

    opts = parser.parse_args()

    # Get the password from the user
    opts.pswd = getpass.getpass(f"Set Password for {opts.user}: ")

    # Get the logger instance
    opts.lgr = get_logger(debug=opts.debug)

    # Log the startup message
    opts.lgr.info("Welcome to thinFTP server")

    try:
        # Start the server
        start_server(opts)
    except Exception as e:
        # Handle any unhandled exceptions
        if opts.debug:
            # Reraise the exception if --debug is specified
            raise
        else:
            # Log the exception if --debug is not specified
            tb = ''.join(traceback.format_exception(type(e), e, e.__traceback__))
            opts.lgr.critical("Unhandled exception: \n"+ tb)
            # Exit with a non-zero status code
            sys.exit(1)


if __name__ == "__main__":
    main()