Function _request_img_caption

astrbot/core/astr_main_agent.py:620–645

(
    provider_id: str,
    cfg: dict,
    image_urls: list[str],
    plugin_context: Context,
)

async def _request_img_caption(
    provider_id: str,
    cfg: dict,
    image_urls: list[str],
    plugin_context: Context,
) -> str:
    prov = plugin_context.get_provider_by_id(provider_id)
    if prov is None:
        raise ValueError(
            f"Cannot get image caption because provider `{provider_id}` is not exist.",
        )
    if not isinstance(prov, Provider):
        raise ValueError(
            f"Cannot get image caption because provider `{provider_id}` is not a valid Provider, it is {type(prov)}.",
        )

    img_cap_prompt = cfg.get(
        "image_caption_prompt",
        "Please describe the image.",
    )
    logger.debug("Processing image caption with provider: %s", provider_id)
    llm_resp = await prov.text_chat(
        prompt=img_cap_prompt,
        image_urls=image_urls,
    )
    return llm_resp.completion_text


async def _ensure_img_caption(