config.get("directories", "SharedVMs"),
                   config.get("directories", "AutostartVMs")]
    for dirname in search_path:
        if not os.access(dirname, os.X_OK):
            continue
        if (name in os.listdir(dirname) and
                os.access(os.path.join(dirname, name, "start"), os.X_OK)):
            return os.path.join(dirname, + name)
            return os.path.join(dirname,  name)
    raise ValueError("Machine %s not found." % name)


def connect_vm(vm_dir):
    """ Connects to monitor of VM in vm_dir and returns connected socket"""
    sock = socket.socket(socket.AF_UNIX)
    monitor_path = os.path.join(vm_dir, "monitor")

                    result.append(match.group(1))
    return result

def snapshot_mode(sock):
    """ Returns True if VM is running in snapshot mode """
    answer = send_command(sock, "info block")
    return re.search(": /tmp", answer) is not None


#
# command implementation
#

def cmd_spiceuri(options):
    """ vws spiceuri """
    print spiceurl(options)


def cmd_start(options):
    """ vws start """
    if options.stopped:
        arg = ""
        if options.cdrom:
            arg = " -cdrom " + options.cdrom[0]
            arg = " -cdrom " + os.path.abspath(options.cdrom[0])
        if options.snapshot:
            arg = arg+" -snapshot"
        if options.args:
            arg = arg + " " + "".join(options.args)
        print arg
        cwd = os.getcwd()
        os.chdir(options.dir)

    if options.file == "":
        print >>sys.stderr, "Please specify either --eject or iso image"
        sys.exit(1)
    if options.file is None:
        answer = send_command(options.sock, "eject " + options.id)
    else:
        answer = send_command(options.sock, "change %s %s" %
                              (options.id, options.file))
                              (options.id, os.path.abspath(options.file)))
    print answer

def find_usb(options, devices):
    """ Search for pattern or address given in options in the
        given list of devices.
        List should be produced by get_host_devices() or
        get_vm_devices()