HKUDS/DeepTutor · error · HTTPException

{filename} exceeds the {MAX_MATERIAL_BYTES // (1024 * 1024)}

Error message

{filename} exceeds the {MAX_MATERIAL_BYTES // (1024 * 1024)} MB limit.

What it means

Error "{filename} exceeds the {MAX_MATERIAL_BYTES // (1024 * 1024)} MB limit." thrown in HKUDS/DeepTutor.

Source

Thrown at deeptutor/api/routers/reading.py:193

async def upload_material(file: UploadFile = File(...)) -> MaterialDetail:  # noqa: B008
    """Ingest an uploaded document and return it ready to read.

    The upload is streamed to a temp file with a running size check, so an
    oversized file is rejected before it is fully buffered rather than after.
    """
    filename = (file.filename or "").strip()
    if not filename:
        raise HTTPException(status_code=400, detail="The upload has no filename.")

    tmp_dir = Path(tempfile.mkdtemp(prefix="dt-reading-"))
    tmp_path = tmp_dir / Path(filename).name
    written = 0
    try:
        with tmp_path.open("wb") as sink:
            while chunk := await file.read(_UPLOAD_CHUNK):
                written += len(chunk)
                if written > MAX_MATERIAL_BYTES:
                    raise HTTPException(
                        status_code=413,
                        detail=(
                            f"{filename} exceeds the "
                            f"{MAX_MATERIAL_BYTES // (1024 * 1024)} MB limit."
                        ),
                    )
                sink.write(chunk)
        if written == 0:
            raise HTTPException(status_code=400, detail=f"{filename} is empty.")

        store = _store()
        manifest = store.ingest(tmp_path, filename=filename)
        return _detail(store, manifest)
    except HTTPException:
        raise
    except Exception as exc:
        raise _http_error(exc) from exc
    finally:

View on GitHub (pinned to 3e82f13042)

When it happens

Trigger: Thrown at deeptutor/api/routers/reading.py:193 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/ec94479c692c1fbe. Report an issue: GitHub.