MapTab / tools /validate.py
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from __future__ import annotations
import argparse
import json
from pathlib import Path
import pyarrow.parquet as pq
EXPECTED = {
"metromap_qa": {"test": 2080},
"travelmap_qa": {"test": 2184},
"metromap_planning": {"train": 76800, "test": 19200},
"travelmap_planning": {"train": 80640, "test": 20160},
}
def validate(root: Path) -> dict:
errors: list[str] = []
counts: dict[str, dict[str, int]] = {}
ids: set[str] = set()
asset_refs: set[str] = set()
for config, splits in EXPECTED.items():
counts[config] = {}
for split, expected in splits.items():
paths = sorted((root / "data" / config).glob(f"{split}-*.parquet"))
if not paths:
errors.append(f"missing Parquet shards: {config}/{split}")
continue
actual = 0
for path in paths:
table = pq.read_table(path)
actual += table.num_rows
for row in table.select(["id", "image", "edge_table", "vertex_table"]).to_pylist():
if row["id"] in ids:
errors.append(f"duplicate id: {row['id']}")
ids.add(row["id"])
for key in ("image", "edge_table", "vertex_table"):
if row.get(key):
asset_refs.add(row[key])
counts[config][split] = actual
if actual != expected:
errors.append(f"count mismatch {config}/{split}: expected {expected}, got {actual}")
missing = [value for value in sorted(asset_refs) if not (root / value).is_file()]
errors.extend(f"missing asset: {value}" for value in missing[:100])
for required in (root / "README.md", root / "dataset_card.md", root / "manifest.json", root / "maptab_loader.py"):
if not required.is_file():
errors.append(f"missing required file: {required.relative_to(root)}")
return {"counts": counts, "unique_ids": len(ids), "asset_references": len(asset_refs), "missing_assets": len(missing), "errors": errors}
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument("--root", type=Path, default=Path("."))
args = parser.parse_args()
result = validate(args.root.expanduser().resolve())
print(json.dumps(result, ensure_ascii=False, indent=2))
if result["errors"]:
raise SystemExit(1)
if __name__ == "__main__":
main()