HKUDS/DeepTutor · error · HTTPException

Tag already exists: {exc}

Error message

Tag already exists: {exc}

What it means

Error "Tag already exists: {exc}" thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/api/routers/skills.py:89

    rename_to: str = Field(..., min_length=1, max_length=32)


# ── tag routes (declared before `/{name}` so they are not shadowed) ──


@router.get("/tags/list")
async def list_tags() -> dict[str, list[str]]:
    service = get_skill_service()
    return {"tags": service.list_tags()}


@router.post("/tags/create")
async def create_tag(payload: CreateTagRequest) -> dict[str, str]:
    service = get_skill_service()
    try:
        tag = service.create_tag(payload.name)
    except TagExistsError as exc:
        raise HTTPException(status_code=409, detail=f"Tag already exists: {exc}")
    except InvalidTagError as exc:
        raise HTTPException(status_code=400, detail=str(exc))
    return {"name": tag}


@router.put("/tags/{tag}")
async def rename_tag(tag: str, payload: RenameTagRequest) -> dict[str, str]:
    service = get_skill_service()
    try:
        new_tag = service.rename_tag(tag, payload.rename_to)
    except TagNotFoundError:
        raise HTTPException(status_code=404, detail=f"Tag not found: {tag}")
    except TagExistsError as exc:
        raise HTTPException(status_code=409, detail=f"Tag already exists: {exc}")
    except InvalidTagError as exc:
        raise HTTPException(status_code=400, detail=str(exc))
    return {"name": new_tag}

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/api/routers/skills.py:89 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/904c1f4c13cab5ce. Report an issue: GitHub.