Datasets:
File size: 2,135 Bytes
0e239c6 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 | """Shared data loading, file integrity and subprocess helpers."""
import hashlib
import csv
import json
from pathlib import Path
import subprocess
ROOT = Path(__file__).resolve().parents[1]
def sha256(path):
digest = hashlib.sha256()
with Path(path).open("rb") as stream:
for chunk in iter(lambda: stream.read(1024 * 1024), b""):
digest.update(chunk)
return digest.hexdigest()
def contained(root, relative):
path = Path(relative)
if path.is_absolute() or ".." in path.parts or not path.parts:
raise ValueError(f"Unsafe relative path: {relative}")
resolved = (Path(root) / path).resolve()
if not resolved.is_relative_to(Path(root).resolve()):
raise ValueError(f"Path escapes root: {relative}")
return resolved
def resolve_instance_id(instance_id):
# Check input paths before looking up aliases, including unknown identifiers.
contained(ROOT / "instances", instance_id)
mapping_path = ROOT / "data/instance-id-map.tsv"
if mapping_path.is_file():
with mapping_path.open() as stream:
rows = list(csv.DictReader(stream, delimiter="\t"))
aliases = {}
for row in rows:
canonical = row["instance_id"]
for alias in (row["original_instance_id"], canonical):
if alias in aliases and aliases[alias] != canonical:
raise ValueError("Ambiguous instance ID mapping")
aliases[alias] = canonical
if instance_id not in aliases:
raise ValueError(f"Unknown instance ID: {instance_id}")
return aliases[instance_id]
return instance_id
def load_task(instance_id):
canonical = resolve_instance_id(instance_id)
path = contained(ROOT / "instances", canonical) / "task.json"
task = json.loads(path.read_text())
if task["instance_id"] != canonical:
raise ValueError("Task ID does not match directory")
return task
def run(*args, cwd=None, capture=False):
return subprocess.run(args, cwd=cwd, check=True, text=True,
stdout=subprocess.PIPE if capture else None).stdout
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