Rebuild local Blender WASM environment and recovery evidence

tools/web/generated/WBV2-P1-002.py

@@ -0,0 +1,55 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import pathlib
+import sys
+
+import bpy
+
+
+TEXT_NAME = "WBV2-P1-002-SceneIRContract"
+CONTRACT_ID = "workflow:unify_sceneir_stable_ids_and_binary_deltas"
+
+
+def contract():
+    return {
+        "schemaVersion": 1,
+        "contractId": CONTRACT_ID,
+        "stableIds": {
+            "objectId": "object:WBV2P1002CubeObject",
+            "meshId": "mesh:WBV2P1002CubeMesh",
+        },
+        "binaryDelta": {
+            "schemaVersion": 1,
+            "baseRevision": 1,
+            "generation": 1,
+            "patches": [{"field": "positions", "byteOffset": 0, "byteLength": 12}],
+        },
+        "extensions": {"futureField": {"kind": "opaque", "value": "preserve-me"}},
+    }
+
+
+def main(output):
+    bpy.ops.wm.read_factory_settings(use_empty=True)
+    mesh = bpy.data.meshes.new("WBV2P1002CubeMesh")
+    mesh.from_pydata(
+        [(-1, -1, -1), (1, -1, -1), (1, 1, -1), (-1, 1, -1),
+         (-1, -1, 1), (1, -1, 1), (1, 1, 1), (-1, 1, 1)],
+        [],
+        [(0, 1, 2, 3), (4, 7, 6, 5), (0, 4, 5, 1),
+         (1, 5, 6, 2), (2, 6, 7, 3), (4, 0, 3, 7)],
+    )
+    mesh.update()
+    obj = bpy.data.objects.new("WBV2P1002CubeObject", mesh)
+    bpy.context.collection.objects.link(obj)
+    text = bpy.data.texts.new(TEXT_NAME)
+    text.write(json.dumps(contract(), sort_keys=True, separators=(",", ":")))
+    text.use_fake_user = True
+    bpy.ops.wm.save_as_mainfile(filepath=str(output.resolve()), check_existing=False, compress=True)
+
+
+if __name__ == "__main__":
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 1:
+        raise SystemExit("usage: blender -b --factory-startup --python WBV2-P1-002.py -- OUTPUT")
+    main(pathlib.Path(arguments[0]))