Rebuild local Blender WASM environment and recovery evidence

tools/web/check-wbv2-p2-001-desktop.py

@@ -0,0 +1,78 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import os
+import pathlib
+import sys
+import tempfile
+
+import bpy
+
+
+def object_id(obj):
+    return "object:" + obj.name
+
+
+def collection_id(collection):
+    return "collection:" + collection.name
+
+
+def scene_report():
+    scene = bpy.context.scene
+    obj = bpy.data.objects.get("WBV2P2001SelectedObject")
+    collection = bpy.data.collections.get("WBV2P2001OutlinerCollection")
+    if obj is None or collection is None:
+        raise RuntimeError("EDITOR_OPEN_SCENE_INVALID: stable object or collection is missing")
+    selected = sorted(object_id(value) for value in bpy.context.selected_objects)
+    if bpy.context.view_layer.objects.active is not obj or selected != [object_id(obj)]:
+        raise RuntimeError("EDITOR_OPEN_SCENE_INVALID: selection context drift")
+    return {
+        "scene": {"id": "scene:" + scene.name, "name": scene.name, "rootCollectionId": collection_id(scene.collection)},
+        "collection": {
+            "id": collection_id(collection),
+            "name": collection.name,
+            "objectIds": sorted(object_id(value) for value in collection.objects),
+            "childCollectionIds": sorted(collection_id(value) for value in collection.children),
+        },
+        "selection": {
+            "activeObjectId": object_id(obj),
+            "selectedObjectIds": selected,
+            "revision": 1,
+        },
+    }
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit("usage: blender -b --python check-wbv2-p2-001-desktop.py -- FIXTURE REPORT")
+    fixture, output = (pathlib.Path(value).resolve() for value in arguments)
+    bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=True)
+    before = scene_report()
+    descriptor, temporary = tempfile.mkstemp(prefix="wbv2-p2-001-reopen-", suffix=".blend", dir=fixture.parent)
+    os.close(descriptor)
+    try:
+        bpy.ops.wm.save_as_mainfile(filepath=temporary, check_existing=False, compress=True)
+        bpy.ops.wm.open_mainfile(filepath=temporary, load_ui=True)
+        after = scene_report()
+    finally:
+        pathlib.Path(temporary).unlink(missing_ok=True)
+    if before != after:
+        raise RuntimeError(f"EDITOR_OPEN_SCENE_INVALID: desktop save/reopen drift: {before} != {after}")
+    value = {
+        "schemaVersion": 1,
+        "task": "WBV2-P2-001",
+        "operation": "EDITOR_OPEN_SCENE_DESKTOP",
+        "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+        "context": after,
+        "missingData": {"pinnedData": None, "library": None},
+        "saveReopen": "EXACT",
+        "blenderVersion": bpy.app.version_string,
+    }
+    output.parent.mkdir(parents=True, exist_ok=True)
+    output.write_text(json.dumps(value, indent=2, sort_keys=True) + "\n", encoding="utf-8")
+    print(f"wbv2-p2-001-desktop-ok scene={after['scene']['id']} active={after['selection']['activeObjectId']} saveReopen=exact")
+
+
+if __name__ == "__main__":
+    main()