#!/usr/bin/env python3 import hashlib import json import os import pathlib import shutil import subprocess import sys import tempfile import bpy OBJECT_NAME = "WebGapAnimKeyframeDeleteButtonObject" ACTION_NAME = "WebGapAnimKeyframeDeleteButtonAction" DATA_PATH = '["delete_target"]' class KeyframeDeleteButtonPanel(bpy.types.Panel): bl_label = "Keyframe Delete Button Experiment" bl_idname = "WEBGAP_PT_keyframe_delete_button_experiment" bl_space_type = "PROPERTIES" bl_region_type = "WINDOW" bl_context = "object" def draw(self, context): if context.object is not None: self.layout.prop(context.object, '["delete_target"]', text="delete_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(): obj = bpy.data.objects.get(OBJECT_NAME) if obj is None: raise RuntimeError("keyframe-delete-button fixture object is missing") return { "selected": bool(obj.select_get()), "active": bpy.context.view_layer.objects.active == obj, "value": round(float(obj["delete_target"]), 6), "action": action_report(obj), } def write_report(fixture, output, before, after, *, evidence_status=None): report = { "schemaVersion": 1, "task": "M16-GAP-00182", "operation": "ANIM_KEYFRAME_DELETE_BUTTON_DESKTOP", "fixture": str(fixture), "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(), "before": before, "after": after, "poll": True, "operatorStatus": "FINISHED", "mainMutation": "KEYFRAME_DELETED", "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_delete(fixture, output, current): descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-keyframe-delete-button-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.keyframe_delete_button preserved fixture save/reopen drift") if output.exists(): previous = json.loads(output.read_text(encoding="utf-8")) if previous.get("task") != "M16-GAP-00182": raise RuntimeError("existing keyframe_delete_button evidence belongs to another task") else: write_report(fixture, output, current, reopened, evidence_status="PRESERVED") print("anim-keyframe-delete-button-desktop-ok preserved=exact status=FINISHED mainMutation=keyframe_deleted saveReopen=exact") finally: temporary_path.unlink(missing_ok=True) bpy.ops.wm.quit_blender() def foreground_delete(fixture, output, before): bpy.utils.register_class(KeyframeDeleteButtonPanel) state = {"started": False} def blender_window(): windows = subprocess.check_output(["xdotool", "search", "--name", "Blender"], text=True).split() if not windows: raise RuntimeError("Blender window was not found") return windows[0] def activate_property_button(window_id): sequence = ( "sleep 2; " f"xdotool mousemove --sync --window {window_id} 1170 746; " "xdotool click --repeat 10 --delay 60 5; " "sleep 0.5; " f"xdotool mousemove --sync --window {window_id} 1185 645; " "xdotool click 1" ) subprocess.Popen(["sh", "-c", sequence], stdout=subprocess.DEVNULL, stderr=subprocess.DEVNULL) def finish_failure(message): print(f"anim-keyframe-delete-button-desktop-failed: {message}") bpy.ops.wm.quit_blender() return None def poll_result(): window = bpy.context.window if window is None: return 0.25 area = next((candidate for candidate in window.screen.areas if candidate.type == "PROPERTIES"), None) if area is None: return 0.25 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.keyframe_delete_button.poll()) result = bpy.ops.anim.keyframe_delete_button(all=True) if poll else set() except Exception as error: return finish_failure(f"keyframe_delete_button failed: {error}") if not poll or result != {"FINISHED"}: return 0.25 after = state_report() channels = after["action"]["channels"] if len(channels) != 1 or channels[0]["frames"] != [1.0, 5.0]: return finish_failure(f"keyframe_delete_button produced unexpected action: {after}") descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-keyframe-delete-button-", 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.keyframe_delete_button save/reopen drift") shutil.copyfile(temporary_path, fixture) write_report(fixture, output, before, reopened) print("anim-keyframe-delete-button-desktop-ok poll=true status=FINISHED mainMutation=keyframe_deleted 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 drive_button(): if state["started"]: return 0.25 window = bpy.context.window if window is None: return 0.25 area = next((candidate for candidate in window.screen.areas if candidate.type == "PROPERTIES"), None) if area is None: return 0.25 area.spaces.active.context = "OBJECT" state["started"] = True try: bpy.ops.wm.redraw_timer(type="DRAW_WIN_SWAP", iterations=1) activate_property_button(blender_window()) except Exception as error: return finish_failure(f"UI automation failed: {error}") bpy.app.timers.register(poll_result, first_interval=3.0) return None def timeout(): current = state_report() if current == before: return finish_failure("UI keyframe_delete_button timed out without mutation") return None bpy.app.timers.register(drive_button, first_interval=1.5) bpy.app.timers.register(timeout, first_interval=35.0) def main(): arguments = sys.argv[sys.argv.index("--") + 1 :] if len(arguments) != 2: raise SystemExit("usage: blender -b --python check-action-keyframe-delete-button-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() expected = { "name": ACTION_NAME, "channels": [ { "path": DATA_PATH, "index": 0, "frames": [1.0, 3.0, 5.0], "values": [1.0, 3.0, 5.0], "selected": [True, True, True], } ], } if before["selected"] is not True or before["active"] is not True or before["value"] != 3.0: raise RuntimeError(f"unexpected keyframe_delete_button source state: {before}") if before["action"] != expected: if before["action"]["name"] != ACTION_NAME or before["action"]["channels"] != [ {**expected["channels"][0], "frames": [1.0, 5.0], "values": [1.0, 5.0], "selected": [True, True]} ]: raise RuntimeError(f"unexpected keyframe_delete_button source action: {before}") preserved_delete(fixture, output, before) return if bpy.app.background: raise RuntimeError("keyframe_delete_button requires a foreground Properties context") foreground_delete(fixture, output, before) if __name__ == "__main__": try: main() except Exception as error: print(f"anim-keyframe-delete-button-desktop-failed: {error}") raise SystemExit(1)