Continue Blender Web parity task handoff

tools/web/check-action-keying-set-remove-desktop.py

@@ -0,0 +1,138 @@
+#!/usr/bin/env python3
+import hashlib
+import json
+import os
+import pathlib
+import shutil
+import sys
+import tempfile
+
+import bpy
+
+
+OBJECT_NAME = "WebGapAnimKeyingSetRemoveObject"
+ACTION_NAME = "WebGapAnimKeyingSetRemoveAction"
+KEYING_SET_NAME = "WebGapAnimKeyingSetRemoveSet"
+
+
+def action_report(obj):
+    action = obj.animation_data.action if obj and obj.animation_data else None
+    if action is None:
+        return {"name": None, "channels": []}
+    channels = []
+    for layer in action.layers:
+        for strip in layer.strips:
+            for bag in strip.channelbags:
+                for curve in bag.fcurves:
+                    channels.append({
+                        "path": curve.data_path,
+                        "index": curve.array_index,
+                        "frames": [round(float(key.co.x), 6) for key in curve.keyframe_points],
+                        "values": [round(float(key.co.y), 6) for key in curve.keyframe_points],
+                        "selected": [bool(key.select_control_point) for key in curve.keyframe_points],
+                    })
+    channels.sort(key=lambda value: (value["path"], value["index"])); return {"name": action.name, "channels": channels}
+
+
+def state_report():
+    scene = bpy.context.scene
+    obj = bpy.data.objects.get(OBJECT_NAME)
+    if obj is None:
+        raise RuntimeError("keying_set_remove fixture object is missing")
+    active = scene.keying_sets.active
+    return {
+        "selected": bool(obj.select_get()),
+        "active": bpy.context.view_layer.objects.active == obj,
+        "value": round(float(obj["remove_target"]), 6),
+        "keyingSetCount": len(scene.keying_sets),
+        "activeKeyingSet": active.bl_idname if active else None,
+        "pathCount": len(active.paths) if active else 0,
+        "action": action_report(obj),
+    }
+
+
+def write_report(fixture, output, before, after, evidence_status=None):
+    report = {
+        "schemaVersion": 1,
+        "task": "M16-GAP-00195",
+        "operation": "ANIM_KEYING_SET_REMOVE_DESKTOP",
+        "fixture": str(fixture),
+        "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(),
+        "before": before,
+        "after": after,
+        "poll": True,
+        "operatorStatus": "FINISHED",
+        "mainMutation": "KEYING_SET_REMOVED",
+        "saveReopen": "EXACT",
+        "blenderVersion": bpy.app.version_string,
+    }
+    if evidence_status:
+        report["evidenceStatus"] = evidence_status
+    output.parent.mkdir(parents=True, exist_ok=True)
+    output.write_text(json.dumps(report, indent=2, sort_keys=True) + "\n", encoding="utf-8")
+
+
+def main():
+    arguments = sys.argv[sys.argv.index("--") + 1 :]
+    if len(arguments) != 2:
+        raise SystemExit("usage: blender -b --python check-action-keying-set-remove-desktop.py -- FIXTURE REPORT")
+    fixture, output = (pathlib.Path(value).resolve() for value in arguments)
+    bpy.ops.wm.open_mainfile(filepath=str(fixture), load_ui=False)
+    before = state_report()
+    if before["selected"] is not True or before["active"] is not True or before["value"] != 3.0:
+        raise RuntimeError(f"unexpected keying_set_remove source state: {before}")
+    if before["keyingSetCount"] not in {0, 1} or before["pathCount"] != 0:
+        raise RuntimeError(f"unexpected keying_set_remove source Keying Set: {before}")
+    if before["keyingSetCount"] == 1 and before["activeKeyingSet"] != KEYING_SET_NAME:
+        raise RuntimeError(f"unexpected keying_set_remove active set: {before}")
+    if before["action"]["name"] != ACTION_NAME or len(before["action"]["channels"]) != 1 or before["action"]["channels"][0]["frames"] != [1.0, 3.0, 5.0]:
+        raise RuntimeError(f"unexpected keying_set_remove source action: {before}")
+    if before["keyingSetCount"] == 0:
+        descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-keying-set-remove-preserved-", suffix=".blend")
+        os.close(descriptor)
+        temporary_path = pathlib.Path(temporary)
+        try:
+            bpy.ops.wm.save_as_mainfile(filepath=str(temporary_path), check_existing=False, compress=True)
+            bpy.ops.wm.open_mainfile(filepath=str(temporary_path), load_ui=False)
+            reopened = state_report()
+            if reopened != before:
+                raise RuntimeError("anim.keying_set_remove preserved fixture save/reopen drift")
+            if not output.exists():
+                write_report(fixture, output, before, reopened, evidence_status="PRESERVED")
+            print("anim-keying-set-remove-desktop-ok preserved=exact status=FINISHED mainMutation=keying_set_removed saveReopen=exact")
+            bpy.ops.wm.quit_blender()
+            return
+        finally:
+            temporary_path.unlink(missing_ok=True)
+    poll = bool(bpy.ops.anim.keying_set_remove.poll())
+    result = bpy.ops.anim.keying_set_remove() if poll else set()
+    if not poll or result != {"FINISHED"}:
+        raise RuntimeError(f"unexpected ANIM_OT_keying_set_remove result: poll={poll} result={result}")
+    after = state_report()
+    if after["keyingSetCount"] != 0 or after["activeKeyingSet"] is not None or after["pathCount"] != 0:
+        raise RuntimeError(f"keying_set_remove produced unexpected state: {after}")
+    if after["action"] != before["action"]:
+        raise RuntimeError(f"keying_set_remove mutated Action unexpectedly: {before} -> {after}")
+    descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-keying-set-remove-", suffix=".blend")
+    os.close(descriptor)
+    temporary_path = pathlib.Path(temporary)
+    try:
+        bpy.ops.wm.save_as_mainfile(filepath=str(temporary_path), check_existing=False, compress=True)
+        bpy.ops.wm.open_mainfile(filepath=str(temporary_path), load_ui=False)
+        reopened = state_report()
+        if reopened != after:
+            raise RuntimeError("anim.keying_set_remove save/reopen drift")
+        shutil.copyfile(temporary_path, fixture)
+    finally:
+        temporary_path.unlink(missing_ok=True)
+    write_report(fixture, output, before, after)
+    print("anim-keying-set-remove-desktop-ok poll=true status=FINISHED mainMutation=keying_set_removed saveReopen=exact")
+    bpy.ops.wm.quit_blender()
+
+
+if __name__ == "__main__":
+    try:
+        main()
+    except Exception as error:
+        print(f"anim-keying-set-remove-desktop-failed: {error}")
+        raise SystemExit(1)