将 Nano Banana 2 Lite 与 Comfy Router 配合使用

from comfy_sdk import Comfy

# Reads COMFY_API_KEY from the environment.
# Each submit() call mints its own Idempotency-Key and reuses it for automatic retries.
with Comfy() as client:
    handle = client.models.submit(
        "vertexai/gemini-3.1-flash-lite-image",
        {
            "contents": [
                {
                    "role": "user",
                    "parts": [
                        {
                            "text": "a single red maple leaf on a plain white background, studio lighting",
                        },
                    ],
                },
            ],
            "generationConfig": {
                "responseModalities": ["IMAGE"],
                "imageConfig": {
                    "aspectRatio": "1:1",
                },
            },
        },
    )
    print("request_id:", handle.request_id)  # with the model ID, all another process needs

    # Poll until the request completes, waiting the Retry-After the server names.
    for update in handle.iter_events():
        print(update.status, update.queue_position)

    # The provider's own payload, the same value models.run() returns.
    # A request that failed or was cancelled raises the typed Router error here.
    result = handle.get()

print("image (base64):", result["candidates"][0]["content"]["parts"][0]["inlineData"]["data"])

import { comfy } from "@comfyorg/sdk";

// Reads COMFY_API_KEY from the environment.
// Each submit() call mints its own Idempotency-Key and reuses it for automatic retries.
type Result = { candidates: { content: { parts: { inlineData: { data: string } }[] } }[] };
const handle = await comfy.models.submit<Result>("vertexai/gemini-3.1-flash-lite-image", {
  contents: [
    {
      role: "user",
      parts: [
        {
          text: "a single red maple leaf on a plain white background, studio lighting",
        },
      ],
    },
  ],
  generationConfig: {
    responseModalities: ["IMAGE"],
    imageConfig: {
      aspectRatio: "1:1",
    },
  },
});
console.log("requestId:", handle.requestId); // with the model ID, all another process needs

// Poll until the request completes, waiting the Retry-After the server names.
for await (const update of handle.events()) {
  console.log(update.status, update.queuePosition);
}

// The same result models.run() returns. A request that failed or was cancelled rejects here.
const result = await handle.get();
if (result.kind !== "json") throw new Error("expected a JSON result");

console.log("image (base64):", result.data.candidates[0].content.parts[0].inlineData.data);

# 1. Submit. Router answers 201 with request_id, status_url, response_url and cancel_url.
curl https://api.comfy.org/v2/models/vertexai/gemini-3.1-flash-lite-image/requests \
  -H "X-API-Key: $COMFY_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d "{\"contents\": [{\"role\":\"user\",\"parts\":[{\"text\":\"a single red maple leaf on a plain white background, studio lighting\"}]}], \"generationConfig\": {\"responseModalities\":[\"IMAGE\"],\"imageConfig\":{\"aspectRatio\":\"1:1\"}}}"

# 2. Poll until status is COMPLETED, waiting the Retry-After seconds each response names.
REQUEST_ID="<request_id from the 201 body>"
curl -i https://api.comfy.org/v2/models/vertexai/gemini-3.1-flash-lite-image/requests/$REQUEST_ID/status \
  -H "X-API-Key: $COMFY_API_KEY"

# 3. Collect. 200 with the model's native output, 202 with the status body while it is still running.
curl https://api.comfy.org/v2/models/vertexai/gemini-3.1-flash-lite-image/requests/$REQUEST_ID \
  -H "X-API-Key: $COMFY_API_KEY"