# decorator URL: /api/directives/decorator/ Section: directives -------------------------------------------------------------------------------- decorator - Patitas window.BENGAL_THEME_DEFAULTS = { appearance: 'light', palette: 'brown-bengal' }; window.Bengal = window.Bengal || {}; window.Bengal.enhanceBaseUrl = '/patitas/assets/js/enhancements'; window.Bengal.watchDom = true; window.Bengal.debug = false; window.Bengal.enhanceUrls = { 'toc': '/patitas/assets/js/enhancements/toc.632a9783.js', 'docs-nav': '/patitas/assets/js/enhancements/docs-nav.57e4b129.js', 'tabs': '/patitas/assets/js/enhancements/tabs.aac9e817.js', 'lightbox': '/patitas/assets/js/enhancements/lightbox.1ca22aa1.js', 'interactive': '/patitas/assets/js/enhancements/interactive.fc077855.js', 'mobile-nav': '/patitas/assets/js/enhancements/mobile-nav.d991657f.js', 'action-bar': '/patitas/assets/js/enhancements/action-bar.d62417f4.js', 'copy-link': '/patitas/assets/js/enhancements/copy-link.7d9a5c29.js', 'data-table': '/patitas/assets/js/enhancements/data-table.1f5bc1eb.js', 'lazy-loaders': '/patitas/assets/js/enhancements/lazy-loaders.a5c38245.js', 'holo': '/patitas/assets/js/enhancements/holo.ee13c841.js', 'link-previews': '/patitas/assets/js/enhancements/link-previews.8d906535.js' }; (function () { try { var defaults = window.BENGAL_THEME_DEFAULTS || { appearance: 'system', palette: '' }; var defaultAppearance = defaults.appearance; if (defaultAppearance === 'system') { defaultAppearance = (window.matchMedia && window.matchMedia('(prefers-color-scheme: dark)').matches) ? 'dark' : 'light'; } var storedTheme = localStorage.getItem('bengal-theme'); var storedPalette = localStorage.getItem('bengal-palette'); var theme = storedTheme ? (storedTheme === 'system' ? defaultAppearance : storedTheme) : defaultAppearance; var palette = storedPalette ?? defaults.palette; document.documentElement.setAttribute('data-theme', theme); if (palette) { document.documentElement.setAttribute('data-palette', palette); } } catch (e) { document.documentElement.setAttribute('data-theme', 'light'); } })(); { "prerender": [ { "where": { "and": [ { "href_matches": "/docs/*" }, { "not": { "selector_matches": "[data-external], [target=_blank], .external" } } ] }, "eagerness": "conservative" } ], "prefetch": [ { "where": { "and": [ { "href_matches": "/*" }, { "not": { "selector_matches": "[data-external], [target=_blank], .external" } } ] }, "eagerness": "conservative" } ] } Skip to main content Magnifying Glass ESC Recent Clear Magnifying Glass No results for "" Start typing to search... ↑↓ Navigate ↵ Open ESC Close Powered by Lunr ฅᨐฅ DocumentationArrow ClockwiseGet StartedCodeSyntaxDirectivesStarburstExtendingBookmarkReferenceInfoAboutTroubleshootingReleasesDevGitHubPatitas API Reference Magnifying Glass Search ⌘K Palette Appearance Chevron Down Mode Monitor System Sun Light Moon Dark Palette Snow Lynx Brown Bengal Silver Bengal Charcoal Bengal Blue Bengal List ฅᨐฅ Magnifying Glass Search X Close Documentation Caret Down Arrow Clockwise Get Started Code Syntax Directives Starburst Extending Bookmark Reference Info About Troubleshooting Releases Dev Caret Down GitHub Patitas API Reference Palette Appearance Chevron Down Mode Monitor System Sun Light Moon Dark Palette Snow Lynx Brown Bengal Silver Bengal Charcoal Bengal Blue Bengal Patitas API Reference Caret Right Directives Caret Right Builtins admonition container dropdown tabs contracts decorator options protocol registry Caret Right Lexer Caret Right Classifiers directive fence footnote heading html link_ref list quote thematic Caret Right Scanners block directive fence html core modes Caret Right Parsing Caret Right Blocks Caret Right List blank_line indent item_blocks marker mixin nested trace types core directive footnote table Caret Right Inline core emphasis links match_registry special tokens charsets containers token_nav Caret Right Plugins autolinks footnotes math strikethrough table task_lists Caret Right Renderers html Caret Right Roles Caret Right Builtins formatting icons math reference protocol registry Caret Right Utils hashing logger text errors highlighting icons location nodes parser patitas protocols stringbuilder tokens Patitas API ReferenceDirectives ᗢ Caret Down Link Copy URL External Open LLM text Copy Copy LLM text Share with AI Ask Claude Ask ChatGPT Ask Gemini Ask Copilot Module directives.decorator @directive decorator for reducing directive boilerplate. Provides a concise decorator API for creating directive handlers with minimal boilerplate. Works with both functions and classes. Example (function): >>> @directive("note", options=NoteOptions) >>> def render_note(node: Directive[NoteOptions], children: str, sb: StringBuilder) -> None: ... sb.append(f'{children}') Example (class): >>> @directive("gallery", options=GalleryOptions, preserves_raw_content=True) >>> class GalleryDirective: ... def render(self, node, children: str, sb: StringBuilder) -> None: ... images = self._parse_images(node.raw_content) ... ... 3Functions Functions directive 0 Callable[[Callable[[Dire… ▼ def directive(*names: str) -> Callable[[Callable[[Directive[TOptions], str, StringBuilder], None]], type] Returns Callable[[Callable[[Directive[TOptions], str, StringBuilder], None]], type] directive 0 Callable[[TClass], TClas… ▼ def directive(*names: str) -> Callable[[TClass], TClass] Returns Callable[[TClass], TClass] directive 0 ▼ Decorator to create directive handlers with minimal boilerplate. Works with bo… def directive(*names: str) Decorator to create directive handlers with minimal boilerplate. Works with both functions (simple directives) and classes (complex directives). ← Previous contracts Next → directives List © 2026 Patitas built in ᓚᘏᗢ { "linkPreviews": { "enabled": true, "hoverDelay": 200, "hideDelay": 150, "showSection": true, "showReadingTime": true, "showWordCount": true, "showDate": true, "showTags": true, "maxTags": 3, "includeSelectors": [".prose"], "excludeSelectors": ["nav", ".toc", ".breadcrumb", ".pagination", ".card", "[class*='-card']", ".tab-nav", "[class*='-widget']", ".child-items", ".content-tiles"], "allowedHosts": [], "allowedSchemes": ["https"], "hostFailureThreshold": 3 } } window.BENGAL_LAZY_ASSETS = { tabulator: '/patitas/assets/js/tabulator.min.js', dataTable: '/patitas/assets/js/data-table.js', mermaidToolbar: '/patitas/assets/js/mermaid-toolbar.9de5abba.js', mermaidTheme: '/patitas/assets/js/mermaid-theme.344822c5.js', graphMinimap: '/patitas/assets/js/graph-minimap.ff04e939.js', graphContextual: '/patitas/assets/js/graph-contextual.355458ba.js' }; window.BENGAL_ICONS = { close: '/patitas/assets/icons/close.911d4fe1.svg', enlarge: '/patitas/assets/icons/enlarge.652035e5.svg', copy: '/patitas/assets/icons/copy.3d56e945.svg', 'download-svg': '/patitas/assets/icons/download.04f07e1b.svg', 'download-png': '/patitas/assets/icons/image.c34dfd40.svg', 'zoom-in': '/patitas/assets/icons/zoom-in.237b4a83.svg', 'zoom-out': '/patitas/assets/icons/zoom-out.38857c77.svg', reset: '/patitas/assets/icons/reset.d26dba29.svg' }; Arrow Up -------------------------------------------------------------------------------- Metadata: - Word Count: 676 - Reading Time: 3 minutes