Files
research-workbench/backend/artifacts.py
T

49 lines
1.4 KiB
Python

"""Artifact storage module — per-session CRUD operations on the filesystem."""
from pathlib import Path
ARTIFACTS_DIR = Path("/app/artifacts")
def list_artifacts(session_id: str) -> list[dict]:
"""Return sorted list of artifact dicts for a session.
Each dict contains: name, session_id, size.
Returns [] if the session directory does not exist.
"""
session_dir = ARTIFACTS_DIR / session_id
if not session_dir.exists():
return []
return sorted(
[
{
"name": f.name,
"session_id": session_id,
"size": f.stat().st_size,
}
for f in session_dir.iterdir()
if f.is_file()
],
key=lambda d: d["name"],
)
def get_artifact(session_id: str, name: str) -> str | None:
"""Return file content (utf-8) or None if the artifact does not exist."""
artifact_path = ARTIFACTS_DIR / session_id / name
if not artifact_path.exists():
return None
return artifact_path.read_text(encoding="utf-8")
def save_artifact(session_id: str, name: str, content: str) -> Path:
"""Write content to the artifact file, creating parent dirs as needed.
Returns the Path of the written file.
"""
session_dir = ARTIFACTS_DIR / session_id
session_dir.mkdir(parents=True, exist_ok=True)
artifact_path = session_dir / name
artifact_path.write_text(content, encoding="utf-8")
return artifact_path