}

        final TimeoutTask timeoutTask = createTimeoutTask();
        try {
            executePython();
        } catch (final Exception e) {
            logger.warn("Failed to run python command.", e);
            resultBuf.append(e.getMessage()).append("\n");
        } finally {
            if (timeoutTask != null && !timeoutTask.isCanceled()) {
                timeoutTask.cancel();
            }

    public static final String EXECUTE_TYPE_CRAWLER = "crawler";

    public static final String EXECUTE_TYPE_THUMBNAIL = "thumbnail";

    public static final String EXECUTE_TYPE_PYTHON = "python";

    public static final String EXECUTE_TYPE_SUGGEST = "suggest";

    public static final String DEFAULT_SCRIPT = "groovy";

    public static final String TEXT_FRAGMENTS = "text_fragments";

    String PROCESSORS = "processors";

    /** The key of the configuration. e.g. java */
    String JAVA_COMMAND_PATH = "java.command.path";

    /** The key of the configuration. e.g. python */
    String PYTHON_COMMAND_PATH = "python.command.path";

    /** The key of the configuration. e.g. UTF-8 */
    String PATH_ENCODING = "path.encoding";

    /** The key of the configuration. e.g. true */

    public static final String LABELS_facet_filetype_properties = "{labels.facet_filetype_properties}";

    /** The key of the message: Python */
    public static final String LABELS_facet_filetype_python = "{labels.facet_filetype_python}";

    /** The key of the message: Ruby */
    public static final String LABELS_facet_filetype_ruby = "{labels.facet_filetype_ruby}";