MCP Agent Mail

from __future__ import annotations import argparse import hashlib import json import shutil import sys import tempfile import urllib.request from pathlib import Path RELEASE_TEMPLATE = "https://github.com/sql-js/sql.js/releases/download/{tag}/{filename}" DEFAULT_TAG = "v1.10.1" FILES = { "sql-wasm.js": "sql-wasm.js", "sql-wasm.wasm": "sql-wasm.wasm", } THIS_DIR = Path(__file__).resolve().parent REPO_ROOT = THIS_DIR.parent VENDOR_DIR = REPO_ROOT / "src" / "mcp_agent_mail" / "viewer_assets" / "vendor" MANIFEST_PATH = REPO_ROOT / "src" / "mcp_agent_mail" / "viewer_assets" / "vendor_manifest.json" def _download(url: str, destination: Path) -> None: destination.parent.mkdir(parents=True, exist_ok=True) with urllib.request.urlopen(url) as response, destination.open("wb") as handle: shutil.copyfileobj(response, handle) 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 main() -> int: parser = argparse.ArgumentParser(description="Update sql.js vendor assets with pinned checksums.") parser.add_argument("tag", nargs="?", default=DEFAULT_TAG, help="sql.js release tag (e.g. v1.10.1)") parser.add_argument("--dry-run", action="store_true", help="Download assets and print checksums without writing.") args = parser.parse_args() tag = args.tag tmp_dir = Path(tempfile.mkdtemp(prefix="sqljs-assets-")) try: checksums: dict[str, str] = {} for local_name, release_name in FILES.items(): url = RELEASE_TEMPLATE.format(tag=tag, filename=release_name) destination = tmp_dir / local_name print(f"Downloading {url} -> {destination}") _download(url, destination) checksums[local_name] = _sha256(destination) print("\nChecksums:") for name, digest in checksums.items(): print(f" {name}: {digest}") if args.dry_run: return 0 for name, _digest in checksums.items(): src = tmp_dir / name dst = VENDOR_DIR / name print(f"Copying {src} -> {dst}") dst.parent.mkdir(parents=True, exist_ok=True) shutil.copy2(src, dst) manifest = { "sql_js": { "version": tag.lstrip("v"), "source": f"https://github.com/sql-js/sql.js/releases/tag/{tag}", "files": {name: {"sha256": digest} for name, digest in checksums.items()}, } } MANIFEST_PATH.write_text(json.dumps(manifest, indent=2) + "\n", encoding="utf-8") print(f"Updated manifest at {MANIFEST_PATH}") print("Done.") return 0 finally: shutil.rmtree(tmp_dir, ignore_errors=True) if __name__ == "__main__": sys.exit(main())