final ProcessHelper processHelper = ComponentUtil.getProcessHelper();
        final FessConfig fessConfig = ComponentUtil.getFessConfig();

        if (StringUtil.isBlank(filename)) {
            throw new JobProcessingException("Python script is not specified.");
        }

        cmdList.add(fessConfig.getPythonCommandPath());

        cmdList.add(getPyFilePath());

            if ("field".equals(qName)) {
                fieldName = attributes.getValue("name");
                if (StringUtil.isBlank(fieldName)) {
                    fieldName = null;
                }
                buffer.setLength(0);
            } else if ("list".equals(qName)) {

            }
        }
        return redirect(getClass()); // no-op
    }

    private CurlRequest getCurlRequest(final String header) {
        if (StringUtil.isBlank(header)) {
            return null;
        }

        final String[] values = header.split(" ");
        if (values.length != 2) {
            return null;
        }

        final String path;

    }

    protected String getThemeName(final Artifact artifact) {
        final String themeName = artifact.getName().substring(ArtifactType.THEME.getId().length() + 1);
        if (StringUtil.isBlank(themeName)) {
            throw new ThemeException("Theme name is empty: " + artifact);
        }
        return themeName;
    }

    protected void closeQuietly(final Path dir) {

            dfos = out;
            CopyUtil.copy(in, out);
            out.flush();

            Extractor extractor = StringUtil.isBlank(mimeType) ? null : extractorFactory.getExtractor(mimeType);
            if (extractor == null) {
                final String detectedMimeType = getMimeType(out);

    }

    protected String getScriptType(final DataStoreParams paramMap) {
        final String value = paramMap.getAsString(SCRIPT_TYPE);
        if (StringUtil.isBlank(value)) {
            return Constants.DEFAULT_SCRIPT;
        }
        return value;
    }

    protected Object convertValue(final String scriptType, final String template, final Map<String, Object> paramMap) {

        String title = DocumentUtil.getValue(document, fessConfig.getIndexFieldTitle(), String.class);
        if (StringUtil.isBlank(title)) {
            title = DocumentUtil.getValue(document, fessConfig.getIndexFieldFilename(), String.class);
            if (StringUtil.isBlank(title)) {
                title = DocumentUtil.getValue(document, fessConfig.getIndexFieldUrl(), String.class);
            }
        }

            final int c = bomIn.read(b);

            if (c == -1) {
                return encoding;
            }

            final String head = new String(b, 0, c, encoding);
            if (StringUtil.isBlank(head)) {
                return encoding;
            }
            final Matcher matcher = getEncodingPattern().matcher(head);
            if (matcher.find()) {
                final String enc = matcher.group(1);

        String commitId = BuildEnvironmentKt.getBuildEnvironmentExtension(project).getGitCommitId().get();
        if (commitId.isBlank() || commitId.toLowerCase().contains("unknown")) {
            // we can't figure out the commit ID (probably this is a source distribution build), let's skip adding source links
            return;
        }

        if (xpath == null) {
            xpath = fessConfig.getCrawlerDocumentHtmlCanonicalXpath();
        }
        if (StringUtil.isBlank(xpath)) {
            return null;
        }
        final String canonicalUrl = getSingleNodeValue(document, xpath, node -> node);
        if (StringUtil.isBlank(canonicalUrl)) {
            return null;
        }
        return normalizeCanonicalUrl(responseData.getUrl(), canonicalUrl);
    }