HKUDS/DeepTutor · error · HTTPException

Cannot move a folder into itself

Error message

Cannot move a folder into itself

What it means

Error "Cannot move a folder into itself" thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/api/routers/knowledge.py:2431

    manager, kb_name, _ = _writable_kb(kb_name)
    _assert_kb_writable_or_409(kb_name, _load_kb_entry_or_404(manager, kb_name))
    raw_dir = manager.get_knowledge_base_path(kb_name) / "raw"

    source_rel = _sanitize_rel_subdir(payload.source)
    if not source_rel:
        raise HTTPException(status_code=400, detail="Source path is required")
    src = _safe_join_raw(raw_dir, source_rel)
    if not src.exists():
        raise HTTPException(status_code=404, detail="Source not found")

    dest_folder = _sanitize_rel_subdir(payload.dest_folder)
    dest_dir = _safe_join_raw(raw_dir, dest_folder) if dest_folder else raw_dir.resolve()
    dest = dest_dir / src.name

    if dest.resolve() == src.resolve():
        return {"status": "ok", "path": source_rel}
    if src.is_dir() and dest_dir.resolve().is_relative_to(src.resolve()):
        raise HTTPException(status_code=400, detail="Cannot move a folder into itself")
    if dest.exists():
        raise HTTPException(
            status_code=409,
            detail=f"'{src.name}' already exists in the target folder",
        )

    dest_dir.mkdir(parents=True, exist_ok=True)
    shutil.move(str(src), str(dest))
    return {"status": "ok", "path": dest.relative_to(raw_dir.resolve()).as_posix()}


@router.get("/{kb_name}/file-preview-text/{filename:path}")
async def serve_kb_raw_file_text_preview(kb_name: str, filename: str):
    """Serve extracted plain text for a raw KB document preview."""
    target = _resolve_kb_raw_file_or_404(kb_name, filename)
    try:
        text = extract_text_from_path(
            target,

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/api/routers/knowledge.py:2431 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/DeepTutor@3e82f13042 (2026-08-27). Data as JSON: /api/errors/4de1d6b0a19f65a8. Report an issue: GitHub.