#!/usr/bin/env python3 import hashlib import json import os import pathlib import shutil import sys import tempfile import bpy OBJECT_NAME = "WebGapAnimKeyingSetAddObject" ACTION_NAME = "WebGapAnimKeyingSetAddAction" DATA_PATH = '["add_target"]' 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_add 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["add_target"]), 6), "keyingSetCount": len(scene.keying_sets), "activeKeyingSet": active.bl_idname if active else None, "action": action_report(obj)} def write_report(fixture, output, before, after, *, evidence_status=None): report = {"schemaVersion": 1, "task": "M16-GAP-00191", "operation": "ANIM_KEYING_SET_ADD_DESKTOP", "fixture": str(fixture), "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(), "before": before, "after": after, "poll": True, "operatorStatus": "FINISHED", "mainMutation": "KEYING_SET_ADDED", "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 preserved_add(fixture, output, current): descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-keying-set-add-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 != current: raise RuntimeError("anim.keying_set_add preserved fixture save/reopen drift") if output.exists() and json.loads(output.read_text(encoding="utf-8")).get("task") != "M16-GAP-00191": raise RuntimeError("existing keying_set_add evidence belongs to another task") if not output.exists(): write_report(fixture, output, current, reopened, evidence_status="PRESERVED") print("anim-keying-set-add-desktop-ok preserved=exact status=FINISHED mainMutation=keying_set_added saveReopen=exact") finally: temporary_path.unlink(missing_ok=True); bpy.ops.wm.quit_blender() def foreground_add(fixture, output, before): state = {"started": False} def finish_failure(message): print(f"anim-keying-set-add-desktop-failed: {message}"); bpy.ops.wm.quit_blender(); return None def execute(): window = bpy.context.window if window is None: return 0.25 area = next((candidate for candidate in window.screen.areas if candidate.type == "VIEW_3D"), None) if area is None: return finish_failure("no VIEW_3D area available for keying_set_add") region = next(candidate for candidate in area.regions if candidate.type == "WINDOW") try: with bpy.context.temp_override(window=window, screen=window.screen, area=area, region=region): poll = bool(bpy.ops.anim.keying_set_add.poll()); result = bpy.ops.anim.keying_set_add() if poll else set() except Exception as error: return finish_failure(f"keying_set_add failed: {error}") if not poll or result != {"FINISHED"}: return finish_failure(f"unexpected ANIM_OT_keying_set_add result: poll={poll} result={result}") after = state_report() if after["keyingSetCount"] != 1 or after["activeKeyingSet"] is None: return finish_failure(f"keying_set_add produced unexpected state: {after}") descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-keying-set-add-", 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: return finish_failure("anim.keying_set_add save/reopen drift") shutil.copyfile(temporary_path, fixture); write_report(fixture, output, before, reopened); print("anim-keying-set-add-desktop-ok poll=true status=FINISHED mainMutation=keying_set_added saveReopen=exact"); bpy.ops.wm.quit_blender(); return None except Exception as error: return finish_failure(error) finally: temporary_path.unlink(missing_ok=True) def start(): if state["started"]: return 0.25 state["started"] = True; bpy.app.timers.register(execute, first_interval=1.0); return None bpy.app.timers.register(start, first_interval=1.5) def main(): arguments = sys.argv[sys.argv.index("--") + 1 :] if len(arguments) != 2: raise SystemExit("usage: blender -b --python check-action-keying-set-add-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_add source state: {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_add source action: {before}") if before["keyingSetCount"] == 1: preserved_add(fixture, output, before); return if before["keyingSetCount"] != 0: raise RuntimeError(f"unexpected keying_set_add source keying sets: {before}") if bpy.app.background: raise RuntimeError("keying_set_add requires a foreground VIEW_3D context") foreground_add(fixture, output, before) if __name__ == "__main__": try: main() except Exception as error: print(f"anim-keying-set-add-desktop-failed: {error}"); raise SystemExit(1)