"""Read the portable release without the original collection directories."""
from pathlib import Path
import numpy as np
from datasets import load_dataset, load_from_disk

CACHES={'train':'local_RoboFAPE_train','test_ind':'setting_12_ind_test','test_ood':'setting_4_ood_test'}

def resolve(root,relative):
    root=Path(root).resolve()
    if Path(relative).is_absolute():raise ValueError('Expected a release-relative path')
    path=(root/relative).resolve()
    if not path.is_relative_to(root):raise ValueError('Path escapes the release directory')
    return path

def load_processed(root,split):
    return load_from_disk(str(Path(root)/'repro/processed'/CACHES[split]/'processed_dataset'))

def read_frames(root,row):
    with np.load(resolve(Path(root)/'repro/processed',row['frames']),allow_pickle=False) as data:
        return data['frames']

def load_native(root,cache_dir=None):
    return load_dataset('parquet',data_files={s:sorted(str(p) for p in (Path(root)/'data'/s).glob('*.parquet')) for s in CACHES},cache_dir=cache_dir)