Reorganize Blender Web execution around capabilities

tools/web/check-action-asset-mark-desktop.py

@@ -0,0 +1,95 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import pathlib
+import sys
+import tempfile
+
+import bpy
+
+
+OBJECT_NAME = "WebGapAssetMarkObject"
+
+
+def object_state():
+    obj = bpy.data.objects.get(OBJECT_NAME)
+    if obj is None:
+        raise RuntimeError("asset mark fixture object is missing")
+    metadata = obj.asset_data
+    return {
+        "name": obj.name,
+        "assetMarked": metadata is not None,
+        "author": metadata.author if metadata is not None else "",
+        "description": metadata.description if metadata is not None else "",
+        "tags": sorted(tag.name for tag in metadata.tags) if metadata is not None else [],
+    }
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit(
+            "usage: blender -b --factory-startup --python "
+            "check-action-asset-mark-desktop.py -- FIXTURE REPORT"
+        )
+    fixture, output = (pathlib.Path(value).resolve() for value in arguments)
+    output.unlink(missing_ok=True)
+    bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
+    before = object_state()
+    accepted_errors = (
+        "No data-block selected",
+        "context is incorrect",
+        "supports asset operations",
+    )
+    try:
+        poll = bool(bpy.ops.asset.mark.poll())
+    except RuntimeError as error:
+        if not any(token in str(error) for token in accepted_errors):
+            raise
+        poll = False
+    if poll:
+        raise RuntimeError("asset.mark unexpectedly polled true without an editor ID context")
+    try:
+        bpy.ops.asset.mark()
+    except RuntimeError as error:
+        if not any(token in str(error) for token in accepted_errors):
+            raise
+        operator_status = "CANCELLED"
+    else:
+        raise RuntimeError("asset.mark unexpectedly finished without an editor ID context")
+    after_cancel = object_state()
+    if after_cancel != before:
+        raise RuntimeError(f"asset.mark cancellation changed Main data: {before} != {after_cancel}")
+    with tempfile.NamedTemporaryFile(
+        prefix="m16-asset-mark-reopen-", suffix=".blend", dir=fixture.parent
+    ) as temporary:
+        bpy.ops.wm.save_as_mainfile(filepath=temporary.name, check_existing=False, compress=True)
+        bpy.ops.wm.open_mainfile(filepath=temporary.name, load_ui=False)
+        after = object_state()
+    if after != before:
+        raise RuntimeError(f"asset.mark save/reopen drift: {before} != {after}")
+    report = {
+        "schemaVersion": 1,
+        "task": "M16-GAP-00279",
+        "operation": "ASSET_MARK_DESKTOP",
+        "fixture": str(fixture),
+        "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+        "before": before,
+        "after": after,
+        "poll": poll,
+        "operatorStatus": operator_status,
+        "mainMutation": "NONE",
+        "saveReopen": "EXACT",
+        "blenderVersion": bpy.app.version_string,
+    }
+    output.parent.mkdir(parents=True, exist_ok=True)
+    output.write_text(json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8")
+    print("asset-mark-desktop-ok poll=false status=CANCELLED mainMutation=none saveReopen=exact")
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as error:
+        print(f"asset-mark-desktop-failed: {error}")
+        raise SystemExit(1)