from pathlib import Path
import json
x=json.loads((Path(__file__).parent/'cases.json').read_text(encoding='utf-8'));a=x['requested'];m=[i for i in x['installed'] if i['name']==a['name'] and i['architecture']==a['architecture']];assert not m;print(json.dumps({'required_family':a['name'],'family_match':False,'note':'仅检查系列和架构；不实现版本roll-forward策略'},indent=2))