Research-Stack/5-Applications/hutter_prize/scripts/prepare_public_artifact.py
allaun 475f6319ea chore(repo): push local 768-commit branch state onto clean remote baseline
This squashes all local history (768 commits) onto the scrubbed PR #90
baseline. Individual commits were lost during filter-repo corruption;
the working tree content is preserved intact.

Build: N/A (working tree state only)
2026-06-15 22:46:50 -05:00

130 lines
3.9 KiB
Python

#!/usr/bin/env python3
"""Prepare a public-facing artifact with smoothing, receipts, and hashes."""
from __future__ import annotations
import argparse
import hashlib
import json
import subprocess
import sys
from pathlib import Path
def sha256_file(path: Path) -> str:
digest = hashlib.sha256()
with path.open("rb") as handle:
for chunk in iter(lambda: handle.read(1024 * 1024), b""):
digest.update(chunk)
return digest.hexdigest()
def detect_mode(path: Path, explicit_mode: str) -> str:
if explicit_mode != "auto":
return explicit_mode
if path.suffix.lower() == ".json":
return "json"
return "text"
def parse_args() -> argparse.Namespace:
parser = argparse.ArgumentParser(description=__doc__)
parser.add_argument("--input", required=True, help="Source artifact to prepare.")
parser.add_argument(
"--out-dir",
required=True,
help="Directory for the prepared public artifact bundle.",
)
parser.add_argument(
"--label",
help="Optional label for the output filenames. Defaults to the input stem.",
)
parser.add_argument(
"--mode",
choices=("auto", "text", "json"),
default="auto",
help="Smoothing mode passed through to universal_smoother.py.",
)
return parser.parse_args()
def main() -> int:
args = parse_args()
input_path = Path(args.input).resolve()
out_dir = Path(args.out_dir).resolve()
out_dir.mkdir(parents=True, exist_ok=True)
if not input_path.is_file():
print(f"Input file not found: {input_path}", file=sys.stderr)
return 2
mode = detect_mode(input_path, args.mode)
label = args.label or input_path.stem
safe_label = "".join(ch if ch.isalnum() or ch in "-._" else "_" for ch in label)
suffix = input_path.suffix or (".json" if mode == "json" else ".txt")
smoothed_path = out_dir / f"{safe_label}.public{suffix}"
report_path = out_dir / f"{safe_label}.smoothing.json"
manifest_path = out_dir / f"{safe_label}.manifest.json"
smoother = Path(__file__).resolve().parent / "universal_smoother.py"
cmd = [
sys.executable,
str(smoother),
"--input",
str(input_path),
"--output",
str(smoothed_path),
"--report",
str(report_path),
"--mode",
mode,
]
completed = subprocess.run(
cmd,
check=True,
text=True,
stdout=subprocess.PIPE,
stderr=subprocess.PIPE,
)
json.loads(completed.stdout)
smoothed_name = smoothed_path.name
receipt_name = report_path.name
bundle_fingerprint = hashlib.sha256(
json.dumps(
{
"label": safe_label,
"mode": mode,
"input_name": input_path.name,
"input_sha256": sha256_file(input_path),
"smoothed_artifact_name": smoothed_name,
"smoothed_artifact_sha256": sha256_file(smoothed_path),
"smoothing_receipt_name": receipt_name,
"smoothing_receipt_sha256": sha256_file(report_path),
},
sort_keys=True,
).encode("utf-8")
).hexdigest()
manifest = {
"schema": "hutter_public_artifact_manifest_v1",
"label": safe_label,
"input_name": input_path.name,
"input_sha256": sha256_file(input_path),
"mode": mode,
"smoothed_artifact_name": smoothed_name,
"smoothed_artifact_sha256": sha256_file(smoothed_path),
"smoothing_receipt_name": receipt_name,
"smoothing_receipt_sha256": sha256_file(report_path),
"bundle_fingerprint": bundle_fingerprint,
}
manifest_path.write_text(json.dumps(manifest, indent=2) + "\n", encoding="utf-8")
print(json.dumps(manifest, indent=2))
print(f"Wrote public artifact manifest: {manifest_path}", file=sys.stderr)
return 0
if __name__ == "__main__":
raise SystemExit(main())