使用 Comfy Router 调用 Wan 2.7 I2V

import asyncio
from comfy_sdk import AsyncComfy

# 从环境变量中读取 COMFY_API_KEY。
# 每次 submit() 调用都会生成自己的 Idempotency-Key，并在自动重试时复用它。
async def main():
    async with AsyncComfy() as client:
        handle = await client.models.submit(
            "wan/wan2.7-i2v",
            {
                "input": {
                    "prompt": "the robot lowers its raised arm and steps toward the camera, the flat orange backdrop holds steady",
                    "media": [
                        {
                            "type": "first_frame",
                            "url": "https://raw.githubusercontent.com/Comfy-Org/workflow_templates/main/input/pink_robot_front.png",
                        },
                    ],
                },
                "parameters": {
                    "resolution": "720P",
                    "duration": 5,
                },
            },
        )
        print("request_id:", handle.request_id)  # 有了模型 ID，另一个进程所需的就都在这里了

        # 轮询直到请求完成，按服务器给出的 Retry-After 等待。
        async for update in handle.iter_events():
            print(update.status, update.queue_position)

        # 提供商自身的载荷，与 models.run() 返回的值相同。
        # 失败或已取消的请求会在此处抛出类型化的 Router 错误。
        result = await handle.get()

    print("video:", result["output"]["video_url"])

asyncio.run(main())

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

// 从环境变量中读取 COMFY_API_KEY。
// 每次 submit() 调用都会生成自己的 Idempotency-Key，并在自动重试时复用它。
type Result = { output: { video_url: string } };
const handle = await comfy.models.submit<Result>("wan/wan2.7-i2v", {
  input: {
    prompt: "the robot lowers its raised arm and steps toward the camera, the flat orange backdrop holds steady",
    media: [
      {
        type: "first_frame",
        url: "https://raw.githubusercontent.com/Comfy-Org/workflow_templates/main/input/pink_robot_front.png",
      },
    ],
  },
  parameters: {
    resolution: "720P",
    duration: 5,
  },
});
console.log("requestId:", handle.requestId); // 有了模型 ID，另一个进程所需的就都在这里了

// 轮询直到请求完成，按服务器给出的 Retry-After 等待。
for await (const update of handle.events()) {
  console.log(update.status, update.queuePosition);
}

// 与 models.run() 返回的结果相同。失败或已取消的请求会在此处被拒绝。
const result = await handle.get();
if (result.kind !== "json") throw new Error("expected a JSON result");

console.log("video:", result.data.output.video_url);

# 1. 提交。Router 返回 201，以及 request_id、status_url、response_url 和 cancel_url。
curl https://api.comfy.org/v2/models/wan/wan2.7-i2v/requests \
  -H "X-API-Key: $COMFY_API_KEY" \
  -H "Idempotency-Key: $(uuidgen)" \
  -H "Content-Type: application/json" \
  -d "{\"input\": {\"prompt\":\"the robot lowers its raised arm and steps toward the camera, the flat orange backdrop holds steady\",\"media\":[{\"type\":\"first_frame\",\"url\":\"https://raw.githubusercontent.com/Comfy-Org/workflow_templates/main/input/pink_robot_front.png\"}]}, \"parameters\": {\"resolution\":\"720P\",\"duration\":5}}"

# 2. 轮询直到状态为 COMPLETED，每次响应都会指明需要等待的 Retry-After 秒数。
REQUEST_ID="<request_id from the 201 body>"
curl -i https://api.comfy.org/v2/models/wan/wan2.7-i2v/requests/$REQUEST_ID/status \
  -H "X-API-Key: $COMFY_API_KEY"

# 3. 收集。200 返回模型的原生输出；仍在运行时返回 202 及状态响应体。
curl https://api.comfy.org/v2/models/wan/wan2.7-i2v/requests/$REQUEST_ID \
  -H "X-API-Key: $COMFY_API_KEY"