GxEPD2-esphome/tools/panel_table.py

#!/usr/bin/env python3
"""Render the supported-panels table from display.py's PANELS registry.

PANELS (in components/gxepd2/display.py) is the single source of truth for
which panels ship and their status. This reads it by AST (no esphome import)
and prints a Markdown table for the README / DESIGN.md.

    tools/panel_table.py
"""

import ast
import pathlib

DISPLAY_PY = pathlib.Path(__file__).resolve().parent.parent / "components" / "gxepd2" / "display.py"

STATUS = {
    "verified": "✅ verified",
    "structural": "⚪ structural",
    "diagnostic": "🔧 diagnostic",
}


def panels():
    tree = ast.parse(DISPLAY_PY.read_text())
    for node in ast.walk(tree):
        if isinstance(node, ast.Assign) and any(getattr(t, "id", None) == "PANELS" for t in node.targets):
            for key, val in zip(node.value.keys, node.value.values):
                model = key.value
                # val is a Call: Panel(descriptor, part, controller, fmt, status)
                descriptor, part, controller, fmt, status = (a.value for a in val.args)
                yield model, part, controller, fmt, status
            return
    raise SystemExit("PANELS not found in display.py")


def main():
    rows = list(panels())
    print("| `model:` | Panel | Controller | Format | Status |")
    print("|---|---|---|---|---|")
    for model, part, controller, fmt, status in rows:
        print(f"| `{model}` | {part} | {controller} | {fmt} | {STATUS.get(status, status)} |")
    n_ver = sum(1 for *_, s in rows if s == "verified")
    print(f"\n{len(rows)} panels; {n_ver} hardware-verified. "
          "✅ rendered correctly on real hardware · ⚪ captured, not yet bench-confirmed · 🔧 diagnostic variant.")


if __name__ == "__main__":
    main()