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ai-agent-book/chapter7/package_evidence.py
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ai-agent-book 精选快照(<2MB 代码与文档,来自 github.com/bojieli/ai-agent-book)
2026-08-20 13:12:50 +00:00

77 lines
2.5 KiB
Python

#!/usr/bin/env python3
"""Create a credential-free integrity manifest for a Chapter 6 run directory."""
from __future__ import annotations
import argparse
import hashlib
import json
import subprocess
from datetime import datetime, timezone
from pathlib import Path
def sha256(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 file_record(path: Path, base: Path) -> dict:
return {
"path": str(path.resolve().relative_to(base.resolve())),
"bytes": path.stat().st_size,
"sha256": sha256(path),
}
def main() -> None:
parser = argparse.ArgumentParser()
parser.add_argument("--experiment", required=True)
parser.add_argument("--status", required=True, choices=("complete", "incomplete", "blocked", "failed"))
parser.add_argument("--run-dir", type=Path, required=True)
parser.add_argument("--reason", action="append", default=[])
parser.add_argument("--input", action="append", type=Path, default=[])
parser.add_argument("--provider-receipts", type=int, default=0)
parser.add_argument("--command", default=None, help="Sanitized command; never include credentials")
args = parser.parse_args()
root = Path(__file__).resolve().parent.parent
run_dir = args.run_dir.resolve()
manifest_path = run_dir / "manifest.json"
artifacts = [
file_record(path, root)
for path in sorted(run_dir.rglob("*"))
if path.is_file() and path != manifest_path
]
inputs = [file_record(path.resolve(), root) for path in args.input]
try:
commit = subprocess.run(
["git", "rev-parse", "HEAD"], cwd=root,
check=True, capture_output=True, text=True,
).stdout.strip()
except (OSError, subprocess.CalledProcessError):
commit = None
payload = {
"schema_version": 1,
"experiment": args.experiment,
"status": args.status,
"generated_at_utc": datetime.now(timezone.utc).isoformat(),
"run_dir": str(run_dir.relative_to(root)),
"git_commit": commit,
"command": args.command,
"provider_receipt_count": args.provider_receipts,
"status_reasons": args.reason,
"inputs": inputs,
"artifacts": artifacts,
}
manifest_path.write_text(json.dumps(payload, ensure_ascii=False, indent=2) + "\n", encoding="utf-8")
print(manifest_path)
if __name__ == "__main__":
main()