"""Prepare policy rows and counterfactual auxiliary recordings from supplied assets."""
import argparse,json,os,sys
from pathlib import Path
R=Path(__file__).resolve().parent;sys.path[:0]=[str(R),str(R/'tools')];os.chdir(R)
if __name__=='__main__':
 p=argparse.ArgumentParser();p.add_argument('stage',choices=['merge','policy','auxiliary']);a=p.parse_args()
 name={'merge':'hvs_audio_fourtask','policy':'hvs_audio_fourtask_v2','auxiliary':'hvs_audio_fourtask_v3'}[a.stage]
 import importlib
 module=importlib.import_module('training.'+name+'.data')
 module.build(json.loads((R/'training'/name/'config.json').read_text()))