HKUDS/nanobot · error · ImageGenerationError

generated image URL exceeded the redirect limit

Error message

generated image URL exceeded the redirect limit

What it means

Error "generated image URL exceeded the redirect limit" thrown in HKUDS/nanobot.

Source

Thrown at nanobot/providers/image_generation.py:224

                                raise ImageGenerationError(
                                    "generated image exceeded the 32 MiB download limit"
                                )
                        except ValueError:
                            pass

                    chunks: list[bytes] = []
                    total = 0
                    async for chunk in response.aiter_bytes():
                        total += len(chunk)
                        if total > _IMAGE_DOWNLOAD_MAX_BYTES:
                            raise ImageGenerationError(
                                "generated image exceeded the 32 MiB download limit"
                            )
                        chunks.append(chunk)
                    raw = b"".join(chunks)
                    break
            else:
                raise ImageGenerationError("generated image URL exceeded the redirect limit")
    except UnsafeURLRequestError as exc:
        raise ImageGenerationError(f"blocked unsafe generated image URL: {exc}") from exc
    except httpx.RequestError as exc:
        raise ImageGenerationError(f"failed to download generated image: {exc}") from exc

    mime = detect_image_mime(raw)
    if mime is None:
        raise ImageGenerationError("generated image URL did not return a supported image")
    encoded = base64.b64encode(raw).decode("ascii")
    return f"data:{mime};base64,{encoded}"


# ---------------------------------------------------------------------------
# Registry
# ---------------------------------------------------------------------------

_IMAGE_GEN_PROVIDERS: dict[str, type[ImageGenerationProvider]] = {}

View on GitHub (pinned to 42f37dc4c0)

When it happens

Trigger: Thrown at nanobot/providers/image_generation.py:224 when the library encounters an invalid state.

Common situations: See trigger scenarios.

AI-assisted analysis of HKUDS/nanobot@42f37dc4c0 (2026-08-26). Data as JSON: /api/errors/7df8faccec283bcf. Report an issue: GitHub.