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"""Sync the current git tree to Hugging Face with HF-only card metadata."""
from __future__ import annotations
import argparse
import os
import shutil
import subprocess
import tempfile
from pathlib import Path
DEFAULT_REPO_ID = "Stevesolun/ctx"
DEFAULT_REPO_TYPE = "dataset"
HF_CARD_METADATA = """---
license: mit
pretty_name: ctx
tags:
- agents
- mcp
- skills
- knowledge-graph
- llm-wiki
- recommendation-system
- harness
- codex
- claude-code
---
"""
LFS_POINTER_PREFIX = b"version https://git-lfs.github.com/spec/v1"
HYDRATED_ARTIFACT_MIN_BYTES = {
Path("graph/wiki-graph.tar.gz"): 100_000_000,
Path("graph/skills-sh-catalog.json.gz"): 1_000_000,
}
def with_hf_repo_card_metadata(readme_text: str) -> str:
"""Return README text with Hugging Face repo-card metadata prepended."""
return HF_CARD_METADATA + _strip_leading_yaml_frontmatter(readme_text)
def _strip_leading_yaml_frontmatter(text: str) -> str:
if not text.startswith("---\n"):
return text
end = text.find("\n---\n", 4)
if end == -1:
return text
return text[end + len("\n---\n") :].lstrip("\n")
def _git(repo: Path, *args: str) -> str:
return subprocess.check_output(["git", *args], cwd=repo, text=True).strip()
def _git_bytes(repo: Path, *args: str) -> bytes:
return subprocess.check_output(["git", *args], cwd=repo)
def _iter_tracked_files(repo: Path) -> list[Path]:
output = _git_bytes(repo, "ls-files", "-z")
files: list[Path] = []
for raw in output.split(b"\0"):
if not raw:
continue
rel = Path(raw.decode("utf-8"))
if rel.is_absolute() or ".." in rel.parts:
raise ValueError(f"unsafe git path: {rel}")
files.append(rel)
return files
def _assert_hydrated_artifacts(repo: Path) -> None:
for rel, min_bytes in HYDRATED_ARTIFACT_MIN_BYTES.items():
artifact = repo / rel
if not artifact.is_file():
raise FileNotFoundError(
f"{rel.as_posix()} is required before Hugging Face sync"
)
size = artifact.stat().st_size
if size < min_bytes:
raise RuntimeError(
f"{rel.as_posix()} is {size:,} bytes; expected at least "
f"{min_bytes:,}. Run git lfs pull before publishing."
)
with artifact.open("rb") as fh:
prefix = fh.read(len(LFS_POINTER_PREFIX))
if prefix == LFS_POINTER_PREFIX:
raise RuntimeError(
f"{rel.as_posix()} is a Git LFS pointer, not the hydrated artifact"
)
def _export_tracked_tree(repo: Path, export_dir: Path) -> None:
_assert_hydrated_artifacts(repo)
repo_root = repo.resolve()
export_root = export_dir.resolve()
for rel in _iter_tracked_files(repo):
source = (repo_root / rel).resolve()
if source != repo_root and not source.is_relative_to(repo_root):
raise ValueError(f"unsafe source path: {rel}")
if source.is_symlink():
raise ValueError(f"refusing to follow symlink during HF sync: {rel}")
if not source.is_file():
continue
target = (export_root / rel).resolve()
if target != export_root and not target.is_relative_to(export_root):
raise ValueError(f"unsafe export path: {rel}")
target.parent.mkdir(parents=True, exist_ok=True)
shutil.copy2(source, target)
def _patch_export_readme(export_dir: Path) -> None:
readme = export_dir / "README.md"
readme.write_text(
with_hf_repo_card_metadata(readme.read_text(encoding="utf-8")),
encoding="utf-8",
newline="\n",
)
def _iter_export_file_names(export_dir: Path) -> set[str]:
names: set[str] = set()
for path in export_dir.rglob("*"):
if not path.is_file():
continue
rel = path.relative_to(export_dir).as_posix()
if rel == ".cache" or rel.startswith(".cache/"):
continue
names.add(rel)
return names
def _repo_url(*, repo_id: str, repo_type: str) -> str:
prefix = {"dataset": "datasets", "space": "spaces"}.get(repo_type)
repo_path = f"{prefix}/{repo_id}" if prefix else repo_id
return f"https://huggingface.co/{repo_path}"
def _repo_commit_url(*, repo_id: str, repo_type: str, sha: str) -> str:
return f"{_repo_url(repo_id=repo_id, repo_type=repo_type)}/commit/{sha}"
def _remote_has_no_stale_paths(
*,
api: object,
export_dir: Path,
repo_id: str,
repo_type: str,
) -> bool:
try:
remote_files = set(api.list_repo_files(repo_id=repo_id, repo_type=repo_type))
except Exception:
return False
return remote_files <= _iter_export_file_names(export_dir)
def _upload_export(
*,
api: object,
export_dir: Path,
repo_id: str,
repo_type: str,
head: str,
prefer_large_upload: bool,
) -> str:
if (
prefer_large_upload
and hasattr(api, "upload_large_folder")
and _remote_has_no_stale_paths(
api=api,
export_dir=export_dir,
repo_id=repo_id,
repo_type=repo_type,
)
):
api.upload_large_folder(
repo_id=repo_id,
repo_type=repo_type,
folder_path=str(export_dir),
print_report=True,
)
info = api.repo_info(repo_id=repo_id, repo_type=repo_type)
sha = getattr(info, "sha", None)
if sha:
return _repo_commit_url(repo_id=repo_id, repo_type=repo_type, sha=str(sha))
return _repo_url(repo_id=repo_id, repo_type=repo_type)
info = api.upload_folder(
repo_id=repo_id,
repo_type=repo_type,
folder_path=str(export_dir),
commit_message=f"Sync ctx {head[:7]}",
commit_description=f"GitHub commit: {head}",
delete_patterns="*",
)
return str(getattr(info, "commit_url", info))
def sync_to_huggingface(
*,
repo: Path,
repo_id: str,
repo_type: str,
token: str,
) -> str:
"""Upload HEAD to Hugging Face and return the commit URL."""
from huggingface_hub import HfApi
head = _git(repo, "rev-parse", "HEAD")
workspace = Path(tempfile.mkdtemp(prefix="ctx-hf-upload-"))
export_dir = workspace / "export"
try:
export_dir.mkdir()
_export_tracked_tree(repo, export_dir)
_patch_export_readme(export_dir)
api = HfApi(token=token)
api.create_repo(repo_id, repo_type=repo_type, exist_ok=True)
return _upload_export(
api=api,
repo_id=repo_id,
repo_type=repo_type,
export_dir=export_dir,
head=head,
prefer_large_upload=True,
)
finally:
shutil.rmtree(workspace, ignore_errors=True)
def main() -> None:
parser = argparse.ArgumentParser(
description="Upload this git checkout to Hugging Face with repo-card metadata"
)
parser.add_argument("--repo", default=".", help="Git checkout path")
parser.add_argument(
"--repo-id",
default=os.environ.get("HF_REPO_ID", DEFAULT_REPO_ID),
help="Hugging Face repo ID",
)
parser.add_argument(
"--repo-type",
default=os.environ.get("HF_REPO_TYPE", DEFAULT_REPO_TYPE),
help="Hugging Face repo type",
)
args = parser.parse_args()
token = os.environ.get("HF_TOKEN")
if not token:
raise SystemExit("HF_TOKEN is required")
print(
sync_to_huggingface(
repo=Path(args.repo).resolve(),
repo_id=args.repo_id,
repo_type=args.repo_type,
token=token,
)
)
if __name__ == "__main__":
main()
|