| | import json
|
| | import os
|
| | import random
|
| |
|
| |
|
| | def load_data_dir(d_path: str, max_size: int = 1_000_000, seed: int = 1) -> list:
|
| | records = []
|
| | for root, _dirs, files in os.walk(d_path):
|
| | if len(records) >= max_size:
|
| | break
|
| | for fn in files:
|
| | if fn.endswith('.ndjson'):
|
| | path = os.path.join(root, fn)
|
| | with open(path, 'r', encoding='utf-8') as f:
|
| | for line in f:
|
| | line = line.strip()
|
| | if not line:
|
| | continue
|
| | try:
|
| | records.append(json.loads(line))
|
| | except json.JSONDecodeError as e:
|
| | raise ValueError(f"Invalid JSON in {path}: {e}") from e
|
| | shuffler = random.Random(seed)
|
| | shuffler.shuffle(records)
|
| | return records[:max_size]
|
| |
|
