# asset URL: /api/orchestration/asset/ Section: orchestration -------------------------------------------------------------------------------- asset - Bengal window.BENGAL_THEME_DEFAULTS = { appearance: 'dark', palette: 'snow-lynx' }; // Progressive Enhancement System Configuration window.Bengal = window.Bengal || {}; window.Bengal.enhanceBaseUrl = '/bengal/assets/js/enhancements'; window.Bengal.watchDom = true; window.Bengal.debug = false; (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'); } })(); Skip to main content Magnifying Glass ESC Recent Clear Magnifying Glass No results for "" Try different keywords or check your spelling Start typing to search... ↑↓ Navigate ↵ Open ESC Close Powered by Lunr ᓚᘏᗢ Documentation Info About Arrow Clockwise Get Started Note Tutorials File Text Content Palette Theming Settings Building Starburst Extending Bookmark Reference Learning Tracks Releases Dev GitHub API Reference bengal CLI 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 ᓚᘏᗢ Magnifying Glass Search X Close Documentation Info About Arrow Clockwise Get Started Note Tutorials File Text Content Palette Theming Settings Building Starburst Extending Bookmark Reference Learning Tracks Releases Dev GitHub API Reference bengal CLI Palette Appearance Chevron Down Mode Monitor System Sun Light Moon Dark Palette Snow Lynx Brown Bengal Silver Bengal Charcoal Bengal Blue Bengal API Reference __main__ bengal Caret Right Folder Analysis community_detection graph_analysis graph_reporting graph_visualizer knowledge_graph link_suggestions link_types page_rank path_analysis performance_advisor results Caret Right Folder Assets manifest pipeline Caret Right Folder Autodoc base config docstring_parser utils virtual_orchestrator Caret Right Folder Extractors cli openapi python Caret Right Folder Models cli common openapi python Caret Right Folder Cache asset_dependency_map cache_store cacheable compression dependency_tracker page_discovery_cache query_index query_index_registry taxonomy_index utils Caret Right Folder Build Cache autodoc_tracking core file_tracking fingerprint parsed_content_cache rendered_output_cache taxonomy_index_mixin validation_cache Caret Right Folder Indexes author_index category_index date_range_index section_index Caret Right Folder Cli __main__ base site_templates utils Caret Right Folder Commands assets build clean collections config debug explain fix health init perf project serve site skeleton sources theme utils validate Caret Right Folder Graph __main__ bridges communities orphans pagerank report suggest Caret Right Folder New config presets scaffolds site wizard Caret Right Folder Helpers cli_app_loader cli_output config_validation error_handling menu_config metadata progress site_loader traceback validation Caret Right Folder Skeleton hydrator schema Caret Right Folder Templates base registry Caret Right Folder Blog template Caret Right Folder Changelog template Caret Right Folder Default template Caret Right Folder Docs template Caret Right Folder Landing template Caret Right Folder Portfolio template Caret Right Folder Resume template Caret Right Folder Collections errors loader schemas validator Caret Right Folder Config defaults deprecation directory_loader env_overrides environment feature_mappings hash loader merge origin_tracker validators Caret Right Folder Content Layer entry loaders manager source Caret Right Folder Sources github local notion rest Caret Right Folder Content Types base registry strategies Caret Right Folder Core build_context cascade_engine menu section theme Caret Right Folder Asset asset_core css_transforms Caret Right Folder Page computed content metadata navigation operations page_core proxy relationships utils Caret Right Folder Site core data discovery factories page_caches properties section_registry theme Caret Right Folder Debug base config_inspector content_migrator delta_analyzer dependency_visualizer explainer incremental_debugger models reporter shortcode_sandbox Caret Right Folder Discovery asset_discovery content_discovery Caret Right Folder Fonts downloader generator Caret Right Folder Health autofix base health_check report Caret Right Folder Linkcheck async_checker ignore_policy internal_checker models orchestrator Caret Right Folder Validators anchors assets cache config connectivity cross_ref fonts links menu navigation output performance rendering rss sitemap taxonomy tracks Caret Right Folder Directives analysis checkers constants Caret Right Folder Orchestration asset content full_to_incremental incremental menu postprocess related_posts render section static streaming taxonomy Caret Right Folder Postprocess html_output redirects rss sitemap special_pages Caret Right Folder Output Formats index_generator json_generator llm_generator lunr_index_generator txt_generator utils Caret Right Folder Rendering api_doc_enhancer asset_extractor errors jinja_utils link_transformer link_validator pygments_cache renderer template_context template_profiler validator Caret Right Folder Parsers base factory mistune native_html pygments_patch python_markdown Caret Right Folder Pipeline core output thread_local toc transforms Caret Right Folder Plugins badges cross_references inline_icon term variable_substitution Caret Right Folder Directives _icons admonitions badge base button cache cards checklist code_tabs container contracts data_table dropdown embed errors example_label fenced figure glossary icon include list_table literalinclude marimo navigation options rubric steps tabs target term terminal tokens utils validator video Caret Right Folder Template Engine asset_url core environment manifest menu url_helpers Caret Right Folder Template Functions advanced_collections advanced_strings autodoc collections content crossref data dates debug files get_page i18n icons images math_functions navigation pagination_helpers seo strings tables taxonomies theme urls Caret Right Folder Server build_handler component_preview constants dev_server live_reload pid_manager reload_controller request_handler request_logger resource_manager utils Caret Right Folder Services validation Caret Right Folder Themes config Caret Right Folder Utils atomic_write autodoc build_context build_stats build_summary cli_output css_minifier dates dotdict error_handlers file_io file_lock hashing incremental_constants js_bundler live_progress logger metadata observability page_initializer pagination path_resolver paths performance_collector performance_report profile progress retry rich_console sections swizzle text theme_registry theme_resolution thread_local traceback_config traceback_renderer url_normalization url_strategy API Reference Orchestration 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 orchestration.asset Asset processing orchestration for Bengal SSG. Handles asset copying, minification, optimization, and fingerprinting. Coordinates parallel asset processing, generates asset manifest for cache-busting, and manages fingerprint cleanup. Key Concepts: Parallel processing: Concurrent asset processing for performance Asset manifest: JSON manifest mapping logical paths to fingerprinted files Fingerprinting: Hash-based cache-busting via filename suffixes Cleanup: Removal of stale fingerprinted files Related Modules: bengal.core.asset: Asset representation and processing (package) bengal.assets.manifest: Asset manifest generation bengal.rendering.template_engine: Template access to asset manifest See Also: bengal/orchestration/asset.py: AssetOrchestrator for orchestration logic plan/active/rfc-asset-fingerprinting.md: Asset fingerprinting design View source 1 Class Classes AssetOrchestrator Orchestrates asset processing for static files. Handles asset copying, minification, optimization,… 9 Caret Right Orchestrates asset processing for static files. Handles asset copying, minification, optimization, and fingerprinting. Supports parallel processing for performance and maintains CSS entry point cache for efficient incremental builds. Creation: Direct instantiation: AssetOrchestrator(site) Created by BuildOrchestrator during build Requires Site instance with assets populated Attributes Name Type Description site — Site instance containing assets and configuration logger — Logger instance for asset processing events _cached_css_entry_points — Cached CSS entry points (invalidated on asset changes) _cached_assets_id — Asset list identity for cache invalidation _cached_assets_len — Asset list length for cache invalidation Relationships — Uses: Asset class for asset representation and processing - Uses: AssetManifest for cache-busting manifest generation - Used by: BuildOrchestrator for asset processing phase - Uses: ThreadPoolExecutor for parallel asset processing Thread Safety: Thread-safe for parallel asset processing. Uses thread-safe locks for output operations and maintains thread-local state where needed. Methods 1 process Process and copy assets to output directory. CSS entry points (style.css) are … 3 None Caret Right def process(self, assets: list[Asset], parallel: bool = True, progress_manager: LiveProgressManager | None = None) -> None Process and copy assets to output directory. CSS entry points (style.css) are bundled to resolve @imports. CSS modules are skipped (they're bundled into entry points). All other assets are processed normally. Parameters 3 assets list[Asset] List of assets to process parallel bool Whether to use parallel processing progress_manager LiveProgressManager | None Live progress manager (optional) Internal Methods 8 Caret Right __init__ Initialize asset orchestrator. 1 None Caret Right def __init__(self, site: Site) Initialize asset orchestrator. Parameters 1 site Site Site instance containing assets and configuration _get_site_css_entries_cached Return cached list of CSS entry points from the full site asset list. This avo… 0 list[Asset] Caret Right def _get_site_css_entries_cached(self) -> list[Asset] Return cached list of CSS entry points from the full site asset list. This avoids repeatedly filtering the entire site assets on incremental rebuilds when only CSS modules changed. We use a simple invalidation signal that is robust under dev-server rebuilds where Site.reset_ephemeral_state() replaces site.assets entirely: If the identity (id) of site.assets changes, invalidate If the length changes, invalidate If either condition is met or cache is empty, recompute. Returns list[Asset] _process_concurrently Process CSS and other assets concurrently using a shared thread pool. 7 None Caret Right def _process_concurrently(self, css_entries: list[Asset], other_assets: list[Asset], minify: bool, optimize: bool, fingerprint: bool, progress_manager: LiveProgressManager | None, css_modules_count: int) -> None Process CSS and other assets concurrently using a shared thread pool. Parameters 7 css_entries list[Asset] other_assets list[Asset] minify bool optimize bool fingerprint bool progress_manager LiveProgressManager | None css_modules_count int _process_sequentially Process assets sequentially. 7 None Caret Right def _process_sequentially(self, css_entries: list[Asset], other_assets: list[Asset], minify: bool, optimize: bool, fingerprint: bool, progress_manager: LiveProgressManager | None, css_modules_count: int) -> None Process assets sequentially. Parameters 7 css_entries list[Asset] other_assets list[Asset] minify bool optimize bool fingerprint bool progress_manager LiveProgressManager | None css_modules_count int _create_js_bundle Create a bundled JavaScript file from individual JS modules. Uses pure Python … 2 Asset | None Caret Right def _create_js_bundle(self, js_modules: list[Asset], assets_cfg: dict[str, Any]) -> Asset | None Create a bundled JavaScript file from individual JS modules. Uses pure Python bundler (no Node.js dependency) to concatenate theme JavaScript files in the correct load order. Parameters 2 js_modules list[Asset] List of JS module assets to bundle assets_cfg dict[str, Any] Assets configuration dict Returns Asset | None — Asset representing the bundle.js file, or None if bundling fails _process_css_entry Process a CSS entry point (e.g., style.css) with bundling. Steps: 1. Bundle al… 4 None Caret Right def _process_css_entry(self, css_entry: Asset, minify: bool, optimize: bool, fingerprint: bool) -> None Process a CSS entry point (e.g., style.css) with bundling. Steps: Bundle all @import statements into single file Minify the bundled CSS Output to public directory Parameters 4 css_entry Asset CSS entry point asset minify bool Whether to minify optimize bool Whether to optimize (unused for CSS) fingerprint bool Whether to add hash to filename _process_single_asset Process a single asset (called in parallel). 5 None Caret Right def _process_single_asset(self, asset: Asset, assets_output: Path, minify: bool, optimize: bool, fingerprint: bool) -> None Process a single asset (called in parallel). Parameters 5 asset Asset Asset to process assets_output Path Output directory for assets minify bool Whether to minify CSS/JS optimize bool Whether to optimize images fingerprint bool Whether to add fingerprint to filename _write_asset_manifest Persist an asset-manifest.json file mapping logical assets to final outputs. 1 None Caret Right def _write_asset_manifest(self, assets: list[Asset]) -> None Persist an asset-manifest.json file mapping logical assets to final outputs. Parameters 1 assets list[Asset] Next → content List © 2025 Bengal ᓚᘏᗢ window.BENGAL_LAZY_ASSETS = { tabulator: '/bengal/assets/js/tabulator.min.js', dataTable: '/bengal/assets/js/data-table.js', mermaidToolbar: '/bengal/assets/js/mermaid-toolbar.9de5abba.js', mermaidTheme: '/bengal/assets/js/mermaid-theme.344822c5.js', graphMinimap: '/bengal/assets/js/graph-minimap.cc7e42e3.js', graphContextual: '/bengal/assets/js/graph-contextual.440e59c6.js' }; window.BENGAL_ICONS = { close: '/bengal/assets/icons/close.911d4fe1.svg', enlarge: '/bengal/assets/icons/enlarge.652035e5.svg', copy: '/bengal/assets/icons/copy.3d56e945.svg', 'download-svg': '/bengal/assets/icons/download.04f07e1b.svg', 'download-png': '/bengal/assets/icons/image.c34dfd40.svg', 'zoom-in': '/bengal/assets/icons/zoom-in.237b4a83.svg', 'zoom-out': '/bengal/assets/icons/zoom-out.38857c77.svg', reset: '/bengal/assets/icons/reset.d26dba29.svg' }; Arrow Up X -------------------------------------------------------------------------------- Metadata: - Author: lbliii - Word Count: 1767 - Reading Time: 9 minutes