}
        if (StringUtil.isBlank(osddPath)) {
            logger.info("OSDD file is not found.");
            return null;
        }
        final String path = LaServletContextUtil.getServletContext().getRealPath(osddPath);
        if (path == null) {
            logger.warn("OSDD file path could not be resolved: {}", osddPath);
            return null;
        }
        final File osddFile = new File(path);

        cmdList.add(fessConfig.getPythonCommandPath());

        cmdList.add(getPyFilePath());

        cmdList.addAll(argList);

        try {

            final File baseDir = new File(servletContext.getRealPath("/WEB-INF")).getParentFile();

            if (logger.isInfoEnabled()) {
                logger.info("Python: \nDirectory={}\nOptions={}", baseDir, cmdList);
            }