Function _normalize_gemini_request

src/api/routes.py:457–484

(
    model: str,
    request: GeminiGenerateContentRequest,
)

async def _normalize_gemini_request(
    model: str,
    request: GeminiGenerateContentRequest,
) -> NormalizedGenerationRequest:
    prompt, images = await _extract_prompt_and_images_from_gemini_contents(request.contents)
    resolved_model = _resolve_request_model(model, request, images=images)
    system_instruction = _extract_text_from_gemini_content(request.systemInstruction)
    model_config = MODEL_CONFIG.get(resolved_model)
    media_model = bool(model_config and model_config.get("type") in {"image", "video"})

    if media_model:
        prompt = _sanitize_media_prompt(prompt)

    if system_instruction:
        if media_model and _should_ignore_media_system_instruction(system_instruction):
            debug_logger.log_warning(
                f"[GEMINI] 忽略媒体模型的 systemInstruction: model={resolved_model}, len={len(system_instruction)}"
            )
        else:
            if media_model:
                system_instruction = _sanitize_media_prompt(system_instruction)
            prompt = f"{system_instruction}\n\n{prompt}".strip()

    return NormalizedGenerationRequest(
        model=resolved_model,
        prompt=prompt,
        images=images,
    )


async def _collect_non_stream_result(