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Solve the following problem using Python, implementing the functions described below, one line at a time
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Description:
 def _run_funnel(args):
 """Run funnel TES server with rabix bunny for CWL. """

    host = "localhost"
    port = "8088"
    main_file, json_file, project_name = _get_main_and_json(args.directory)
    work_dir = utils.safe_makedir(os.path.join(os.getcwd(), "funnel_work"))
    log_file = os.path.join(work_dir, "%s-funnel.log" % project_name)
    # Create bunny configuration directory with TES backend
    orig_config_dir = os.path.join(os.path.dirname(os.path.realpath(utils.which("rabix"))), "config")
    work_config_dir = utils.safe_makedir(os.path.join(work_dir, "rabix_config"))
    for fname in os.listdir(orig_config_dir):
        if fname == "core.properties":
            with open(os.path.join(orig_config_dir, fname)) as in_handle:
                with open(os.path.join(work_config_dir, fname), "w") as out_handle:
                    for line in in_handle:
                        if line.startswith("backend.embedded.types"):
                            line = "backend.embedded.types=TES\n"
                        out_handle.write(line)
        else:
            shutil.copy(os.path.join(orig_config_dir, fname), os.path.join(work_config_dir, fname))
    flags = ["-c", work_config_dir,
             "-tes-url=http://%s:%s" % (host, port), "-tes-storage=%s" % work_dir]
    if args.no_container:
        _remove_bcbiovm_path()
        flags += ["--no-container"]
    cmd = ["rabix"] + flags + [main_file, json_file]
    funnelp = subprocess.Popen(["funnel", "server", "run",
                                "--Server.HostName", host, "--Server.HTTPPort", port,
                                "--LocalStorage.AllowedDirs", work_dir,
                                "--Worker.WorkDir", os.path.join(work_dir, "funnel-work")])
    try:
        with utils.chdir(work_dir):
            _run_tool(cmd, not args.no_container, work_dir, log_file)
    finally:
        funnelp.kill()