chore(checks): discover workspace module boundaries

tools/checks/check-manifest-shapes.py

@@ -0,0 +1,113 @@
+#!/usr/bin/env python3
+"""Load and validate every available GovOPlaN module manifest from source."""
+
+from __future__ import annotations
+
+import argparse
+import importlib
+import json
+import sys
+import tomllib
+from pathlib import Path
+
+
+META_ROOT = Path(__file__).resolve().parents[2]
+
+
+def main() -> int:
+    parser = argparse.ArgumentParser(description=__doc__)
+    parser.add_argument(
+        "--workspace-root",
+        type=Path,
+        default=None,
+        help="Directory containing the GovOPlaN repositories. Defaults to repositories.json default_parent.",
+    )
+    args = parser.parse_args()
+
+    catalog = json.loads((META_ROOT / "repositories.json").read_text(encoding="utf-8"))
+    workspace_root = (args.workspace_root or Path(catalog["default_parent"])).resolve()
+    repositories = tuple(catalog["repositories"])
+
+    source_roots: list[Path] = []
+    manifest_sources: list[tuple[str, Path, Path]] = []
+    for repository in repositories:
+        repository_root = workspace_root / repository["path"]
+        source_root = repository_root / "src"
+        if not source_root.is_dir():
+            continue
+        source_roots.append(source_root)
+        manifest_sources.extend(
+            (repository["name"], source_root, manifest_path)
+            for manifest_path in sorted(source_root.glob("*/backend/manifest.py"))
+        )
+
+    if not manifest_sources:
+        print(f"No module manifests found below {workspace_root}.", file=sys.stderr)
+        return 1
+
+    core_source = workspace_root / "govoplan-core" / "src"
+    ordered_source_roots = [core_source, *(root for root in source_roots if root != core_source)]
+    sys.path[:0] = [str(root) for root in ordered_source_roots]
+
+    from govoplan_core.core.modules import ModuleManifest  # noqa: PLC0415
+    from govoplan_core.core.registry import PlatformRegistry, RegistryError  # noqa: PLC0415
+
+    manifests: list[ModuleManifest] = []
+    errors: list[str] = []
+    for repository_name, source_root, manifest_path in manifest_sources:
+        module_name = ".".join(manifest_path.relative_to(source_root).with_suffix("").parts)
+        try:
+            loaded_module = importlib.import_module(module_name)
+            get_manifest = getattr(loaded_module, "get_manifest")
+            manifest = get_manifest()
+        except Exception as exc:  # pragma: no cover - rendered as a check failure
+            errors.append(f"{repository_name}: could not load {module_name}: {exc}")
+            continue
+
+        if not isinstance(manifest, ModuleManifest):
+            errors.append(f"{repository_name}: {module_name}.get_manifest() did not return ModuleManifest")
+            continue
+
+        entry_points = _module_entry_points(manifest_path.parents[3] / "pyproject.toml")
+        expected_target = f"{module_name}:get_manifest"
+        actual_target = entry_points.get(manifest.id)
+        if actual_target != expected_target:
+            declared = ", ".join(f"{name}={target}" for name, target in sorted(entry_points.items())) or "none"
+            errors.append(
+                f"{repository_name}: module {manifest.id!r} must declare entry point "
+                f"{manifest.id}={expected_target}; found {declared}"
+            )
+            continue
+
+        manifests.append(manifest)
+
+    if errors:
+        print("\n".join(errors), file=sys.stderr)
+        return 1
+
+    registry = PlatformRegistry()
+    try:
+        for manifest in manifests:
+            registry.register(manifest)
+        snapshot = registry.validate()
+    except RegistryError as exc:
+        print(f"Manifest registry validation failed: {exc}", file=sys.stderr)
+        return 1
+
+    print(
+        f"Manifest registry check passed: {len(snapshot.manifests)} manifests "
+        f"from {len(manifest_sources)} source files."
+    )
+    return 0
+
+
+def _module_entry_points(pyproject_path: Path) -> dict[str, str]:
+    if not pyproject_path.is_file():
+        return {}
+    pyproject = tomllib.loads(pyproject_path.read_text(encoding="utf-8"))
+    values = pyproject.get("project", {}).get("entry-points", {}).get("govoplan.modules", {})
+    return {str(name): str(target) for name, target in values.items()}
+
+
+if __name__ == "__main__":
+    raise SystemExit(main())