Static HTML/CSS renderer for panelmark shells.
Project description
panelmark-html
panelmark-html is the static HTML/CSS renderer for the
panelmark ecosystem. Given a
panelmark shell and its assigned interactions, it produces an HTML document
or fragment representing the shell's panel structure.
What this package is
- A static renderer: layout model in, HTML string out.
- Useful for server-side rendering into Flask/Django templates, generating reports or dashboards, and automated snapshot tests.
- The structural foundation that
panelmark-webwill build live interactivity on top of.
What this package is not
- It does not handle browser events, keyboard or mouse input, or focus transitions.
- It does not open sockets, HTTP routes, or sessions.
- It does not render interaction-internal state (item lists, form fields,
text content). Panel bodies are empty placeholders with stable DOM hooks;
filling them in with live content is the job of
panelmark-web. - It does not require JavaScript for its output to be valid HTML.
Relationship to panelmark-web
panelmark-html and panelmark-web are separate packages with distinct scopes.
| Package | Role |
|---|---|
| panelmark-html | Static structure: panel layout, borders, headings, stable DOM hooks |
| panelmark-web | Live layer: WebSocket sessions, browser events, interaction rendering, draw-command updates |
panelmark-web depends on panelmark-html for its rendered structure. The
DOM hooks and CSS classes defined here are the stable contract between the two
packages.
Installation
pip install panelmark-html
Dependencies
panelmark— core layout model and shell state machine- No web framework dependency
- No JavaScript build step
Status
Package maturity: Pre-alpha. The public Python API (render_fragment,
render_document, get_base_css, HTMLRenderer) and higher-level rendering
features may still evolve.
Hook contract: The region-level DOM hooks (data-pm-region, id,
data-pm-* attributes) and CSS classes (.pm-shell, .pm-split-*,
.pm-panel, .pm-panel-body) are the intended stable substrate for
panelmark-web and are documented as such in
docs/hook-contract.md. These will not change
without a major version bump.
Quick start
from panelmark import Shell
from panelmark_html import render_fragment, get_base_css
LAYOUT = """
|=== <bold>My App</> ===|
|{$main$ }|
|==================|
|{2R $status$ }|
|==================|
"""
shell = Shell(LAYOUT)
html = render_fragment(shell)
# Panel bodies are empty — fill them with panelmark-web or your own renderer.
print(html)
For a complete HTML document including base CSS:
document = render_document(shell)
# Returns a full <html>...<body>...</body></html> string with embedded CSS.
API
| Symbol | Description |
|---|---|
render_fragment(shell) |
Renders the shell as an HTML fragment (no <html> or <head> wrapper). Returns a string. |
render_document(shell) |
Renders the shell as a complete HTML document, including the base CSS inline. Returns a string. |
get_base_css() |
Returns the base CSS string for manual inclusion in your own template. |
HTMLRenderer |
Low-level renderer class. Use this for custom integration or when you need per-region control. |
All symbols are importable from panelmark_html. Full API reference:
panelmark-html rendering API
Documentation
| Document | Description |
|---|---|
| Hook Contract | Stable DOM interface: element structure, CSS classes, data-pm-* attributes, CSS custom properties. Canonical location — this repo. |
| Rendering API Reference | Full reference for render_fragment, render_document, get_base_css, and HTMLRenderer |
| Ecosystem Overview | How panelmark-html fits into the panelmark package ecosystem |
| Shell Language | ASCII-art layout syntax reference |
| panelmark-web | Live web runtime that builds on this package's hook contract |
Release history Release notifications | RSS feed
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