#!/usr/bin/env python3 import hashlib import json import os import pathlib import shutil import subprocess import sys import tempfile import bpy class DriverButtonExperimentPanel(bpy.types.Panel): bl_label = "Driver Button Experiment" bl_idname = "WEBGAP_PT_driver_button_remove_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, '["drive_target"]', text="drive_target") def driver_report(obj): if obj is None or obj.animation_data is None: return [] drivers = [] for curve in obj.animation_data.drivers: driver = curve.driver drivers.append({ "path": curve.data_path, "index": curve.array_index, "expression": driver.expression if driver else "", "type": driver.type if driver else "", "variableCount": len(driver.variables) if driver else 0, }) drivers.sort(key=lambda value: (value["path"], value["index"])) return drivers def state_report(obj): if obj is None: raise RuntimeError("driver-remove fixture object is missing") return {"drivers": driver_report(obj), "value": round(float(obj["drive_target"]), 6)} def write_report(fixture, output, state, *, evidence_status=None): report = { "schemaVersion": 1, "task": "M16-GAP-00176", "operation": "ANIM_DRIVER_BUTTON_REMOVE_DESKTOP", "fixture": str(fixture), "fixtureSha256": hashlib.sha256(fixture.read_bytes()).hexdigest(), "drivers": state["drivers"], "value": state["value"], "poll": True, "operatorStatus": "FINISHED", "mainMutation": "DRIVER_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 preserved_driver_report(fixture, output, obj, current): descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-driver-button-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(bpy.data.objects.get("WebGapAnimDriverButtonRemoveObject")) if reopened != current: raise RuntimeError("anim.driver_button_remove preserved fixture save/reopen drift") write_report(fixture, output, reopened, evidence_status="PRESERVED") print("anim-driver-button-remove-desktop-ok preserved=exact status=FINISHED mainMutation=driver_removed saveReopen=exact") finally: temporary_path.unlink(missing_ok=True) def foreground_driver_remove(fixture, output, obj, before): bpy.utils.register_class(DriverButtonExperimentPanel) state = {"started": False, "clicked": 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 launch_ui_sequence(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-driver-button-remove-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): result = bpy.ops.anim.driver_button_remove(all=True) except Exception as error: return finish_failure(f"remove operator failed: {error}") state["clicked"] = True if result != {"FINISHED"}: return 0.25 after = state_report(bpy.data.objects.get("WebGapAnimDriverButtonRemoveObject")) if after["drivers"]: return finish_failure(f"driver_button_remove left drivers: {after}") descriptor, temporary = tempfile.mkstemp(prefix="m16-anim-driver-button-remove-ui-", 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(bpy.data.objects.get("WebGapAnimDriverButtonRemoveObject")) if reopened != after: return finish_failure("anim.driver_button_remove save/reopen drift") shutil.copyfile(temporary_path, fixture) write_report(fixture, output, reopened) print("anim-driver-button-remove-desktop-ok poll=true status=FINISHED mainMutation=driver_removed 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) launch_ui_sequence(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_obj = bpy.data.objects.get("WebGapAnimDriverButtonRemoveObject") if current_obj is None or state_report(current_obj) == before: return finish_failure("UI driver_button_remove 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-driver-button-remove-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) obj = bpy.data.objects.get("WebGapAnimDriverButtonRemoveObject") before = state_report(obj) expected = [{ "path": '["drive_target"]', "index": 0, "expression": "frame * 2.5 + 1.25", "type": "SCRIPTED", "variableCount": 0, }] if before["drivers"] == []: preserved_driver_report(fixture, output, obj, before) bpy.ops.wm.quit_blender() return if before["value"] != 3.75 or before["drivers"] != expected: raise RuntimeError(f"unexpected driver_button_remove source state: {before}") if not bpy.app.background: foreground_driver_remove(fixture, output, obj, before) return raise RuntimeError("driver_button_remove requires a foreground Properties context") if __name__ == "__main__": try: main() except Exception as error: print(f"anim-driver-button-remove-desktop-failed: {error}") raise SystemExit(1)