wip: snapshot full local workspace state
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@@ -1,252 +1,252 @@
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"""CQTAI nano 图像生成适配器。
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支持异步生成 + 轮询获取结果。
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API 文档: https://api.cqtai.com
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"""
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import asyncio
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import time
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import httpx
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from tenacity import (
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retry,
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retry_if_exception_type,
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stop_after_attempt,
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wait_exponential,
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)
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from app.core.logging import get_logger
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from app.services.adapters.base import AdapterConfig, BaseAdapter
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from app.services.adapters.registry import AdapterRegistry
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logger = get_logger(__name__)
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# 默认配置
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DEFAULT_API_BASE = "https://api.cqtai.com"
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DEFAULT_MODEL = "nano-banana"
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DEFAULT_RESOLUTION = "2K"
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DEFAULT_ASPECT_RATIO = "1:1"
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POLL_INTERVAL_SECONDS = 2
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MAX_POLL_ATTEMPTS = 60 # 最多轮询 2 分钟
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@AdapterRegistry.register("image", "cqtai")
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class CQTAIImageAdapter(BaseAdapter[str]):
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"""CQTAI nano 图像生成适配器，返回图片 URL。
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特点:
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- 异步生成 + 轮询获取结果
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- 支持 nano-banana (标准) 和 nano-banana-pro (高画质)
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- 支持多种分辨率和画面比例
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- 支持图生图 (filesUrl)
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"""
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adapter_type = "image"
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adapter_name = "cqtai"
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def __init__(self, config: AdapterConfig):
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super().__init__(config)
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self.api_base = config.api_base or DEFAULT_API_BASE
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async def execute(
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self,
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prompt: str,
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model: str | None = None,
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resolution: str | None = None,
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aspect_ratio: str | None = None,
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num_images: int = 1,
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files_url: list[str] | None = None,
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**kwargs,
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) -> str | list[str]:
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"""根据提示词生成图片，返回 URL 或 URL 列表。
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Args:
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prompt: 图片描述提示词
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model: 模型名称 (nano-banana / nano-banana-pro)
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resolution: 分辨率 (1K / 2K / 4K)
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aspect_ratio: 画面比例 (1:1, 16:9, 9:16, 4:3, 3:4 等)
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num_images: 生成图片数量 (1-4)
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files_url: 输入图片 URL 列表 (图生图)
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Returns:
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单张图片返回 str，多张返回 list[str]
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"""
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# 1. 优先使用传入参数
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# 2. 其次使用 Adapter 配置里的 default (extra_config)
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# 3. 最后使用系统默认值
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model = model or self.config.model or DEFAULT_MODEL
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cfg = self.config.extra_config or {}
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resolution = resolution or cfg.get("resolution") or DEFAULT_RESOLUTION
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aspect_ratio = aspect_ratio or cfg.get("aspect_ratio") or DEFAULT_ASPECT_RATIO
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num_images = min(max(num_images, 1), 4) # 限制 1-4
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start_time = time.time()
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logger.info(
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"cqtai_generate_start",
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prompt_length=len(prompt),
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model=model,
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resolution=resolution,
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aspect_ratio=aspect_ratio,
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num_images=num_images,
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)
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# 1. 提交生成任务
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task_id = await self._submit_task(
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prompt=prompt,
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model=model,
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resolution=resolution,
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aspect_ratio=aspect_ratio,
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num_images=num_images,
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files_url=files_url or [],
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)
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logger.info("cqtai_task_submitted", task_id=task_id)
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# 2. 轮询获取结果
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result = await self._poll_result(task_id)
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elapsed = time.time() - start_time
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logger.info(
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"cqtai_generate_success",
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task_id=task_id,
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elapsed_seconds=round(elapsed, 2),
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image_count=len(result) if isinstance(result, list) else 1,
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)
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# 单张图片返回字符串，多张返回列表
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if num_images == 1 and isinstance(result, list) and len(result) == 1:
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return result[0]
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return result
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async def health_check(self) -> bool:
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"""检查 CQTAI API 是否可用。"""
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try:
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async with httpx.AsyncClient(timeout=10) as client:
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# 简单的连通性测试
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response = await client.get(
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f"{self.api_base}/api/cqt/info/nano",
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params={"id": "health_check_test"},
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headers={"Authorization": self.config.api_key},
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)
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# 即使返回错误也说明服务可达
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return response.status_code in (200, 400, 401, 403, 404)
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except Exception:
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return False
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@property
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def estimated_cost(self) -> float:
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"""预估每张图片成本 (USD)。
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|
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nano-banana: ¥0.1 ≈ $0.014
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nano-banana-pro: ¥0.2 ≈ $0.028
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"""
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model = self.config.model or DEFAULT_MODEL
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if model == "nano-banana-pro":
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return 0.028
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return 0.014
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@retry(
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stop=stop_after_attempt(3),
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wait=wait_exponential(multiplier=1, min=1, max=10),
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retry=retry_if_exception_type((httpx.HTTPError, httpx.TimeoutException)),
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reraise=True,
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)
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async def _submit_task(
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self,
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prompt: str,
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model: str,
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resolution: str,
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aspect_ratio: str,
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num_images: int,
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files_url: list[str],
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) -> str:
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"""提交图像生成任务，返回任务 ID。"""
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timeout = self.config.timeout_ms / 1000
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payload = {
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"prompt": prompt,
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"numImages": num_images,
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"aspectRatio": aspect_ratio,
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"filesUrl": files_url,
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}
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# 可选参数，不传则使用默认值
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if model != DEFAULT_MODEL:
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payload["model"] = model
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if resolution != DEFAULT_RESOLUTION:
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payload["resolution"] = resolution
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async with httpx.AsyncClient(timeout=timeout) as client:
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response = await client.post(
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f"{self.api_base}/api/cqt/generator/nano",
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json=payload,
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headers={
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"Authorization": self.config.api_key,
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"Content-Type": "application/json",
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},
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)
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response.raise_for_status()
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data = response.json()
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if data.get("code") != 200:
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raise ValueError(f"CQTAI 任务提交失败: {data.get('msg', '未知错误')}")
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task_id = data.get("data")
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if not task_id:
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raise ValueError("CQTAI 未返回任务 ID")
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return task_id
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async def _poll_result(self, task_id: str) -> list[str]:
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"""轮询获取生成结果。
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Returns:
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图片 URL 列表
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"""
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timeout = self.config.timeout_ms / 1000
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for attempt in range(MAX_POLL_ATTEMPTS):
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async with httpx.AsyncClient(timeout=timeout) as client:
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response = await client.get(
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f"{self.api_base}/api/cqt/info/nano",
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params={"id": task_id},
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headers={"Authorization": self.config.api_key},
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)
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response.raise_for_status()
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data = response.json()
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if data.get("code") != 200:
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raise ValueError(f"CQTAI 查询失败: {data.get('msg', '未知错误')}")
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result_data = data.get("data", {})
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status = result_data.get("status")
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if status == "completed":
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# 提取图片 URL
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images = result_data.get("images", [])
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if not images:
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# 兼容不同返回格式
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image_url = result_data.get("imageUrl") or result_data.get("url")
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if image_url:
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images = [image_url]
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if not images:
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raise ValueError("CQTAI 未返回图片 URL")
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return images
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elif status == "failed":
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error_msg = result_data.get("error", "生成失败")
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raise ValueError(f"CQTAI 图像生成失败: {error_msg}")
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# 继续等待
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logger.debug(
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"cqtai_poll_waiting",
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task_id=task_id,
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attempt=attempt + 1,
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status=status,
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)
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await asyncio.sleep(POLL_INTERVAL_SECONDS)
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raise TimeoutError(f"CQTAI 任务超时: {task_id}")
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"""CQTAI nano 图像生成适配器。
|
||||
|
||||
支持异步生成 + 轮询获取结果。
|
||||
API 文档: https://api.cqtai.com
|
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"""
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|
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import asyncio
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import time
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|
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import httpx
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from tenacity import (
|
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retry,
|
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retry_if_exception_type,
|
||||
stop_after_attempt,
|
||||
wait_exponential,
|
||||
)
|
||||
|
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from app.core.logging import get_logger
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from app.services.adapters.base import AdapterConfig, BaseAdapter
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from app.services.adapters.registry import AdapterRegistry
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||||
|
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logger = get_logger(__name__)
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|
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# 默认配置
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DEFAULT_API_BASE = "https://api.cqtai.com"
|
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DEFAULT_MODEL = "nano-banana"
|
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DEFAULT_RESOLUTION = "2K"
|
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DEFAULT_ASPECT_RATIO = "1:1"
|
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POLL_INTERVAL_SECONDS = 2
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MAX_POLL_ATTEMPTS = 60 # 最多轮询 2 分钟
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|
||||
|
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@AdapterRegistry.register("image", "cqtai")
|
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class CQTAIImageAdapter(BaseAdapter[str]):
|
||||
"""CQTAI nano 图像生成适配器，返回图片 URL。
|
||||
|
||||
特点:
|
||||
- 异步生成 + 轮询获取结果
|
||||
- 支持 nano-banana (标准) 和 nano-banana-pro (高画质)
|
||||
- 支持多种分辨率和画面比例
|
||||
- 支持图生图 (filesUrl)
|
||||
"""
|
||||
|
||||
adapter_type = "image"
|
||||
adapter_name = "cqtai"
|
||||
|
||||
def __init__(self, config: AdapterConfig):
|
||||
super().__init__(config)
|
||||
self.api_base = config.api_base or DEFAULT_API_BASE
|
||||
|
||||
async def execute(
|
||||
self,
|
||||
prompt: str,
|
||||
model: str | None = None,
|
||||
resolution: str | None = None,
|
||||
aspect_ratio: str | None = None,
|
||||
num_images: int = 1,
|
||||
files_url: list[str] | None = None,
|
||||
**kwargs,
|
||||
) -> str | list[str]:
|
||||
"""根据提示词生成图片，返回 URL 或 URL 列表。
|
||||
|
||||
Args:
|
||||
prompt: 图片描述提示词
|
||||
model: 模型名称 (nano-banana / nano-banana-pro)
|
||||
resolution: 分辨率 (1K / 2K / 4K)
|
||||
aspect_ratio: 画面比例 (1:1, 16:9, 9:16, 4:3, 3:4 等)
|
||||
num_images: 生成图片数量 (1-4)
|
||||
files_url: 输入图片 URL 列表 (图生图)
|
||||
|
||||
Returns:
|
||||
单张图片返回 str，多张返回 list[str]
|
||||
"""
|
||||
# 1. 优先使用传入参数
|
||||
# 2. 其次使用 Adapter 配置里的 default (extra_config)
|
||||
# 3. 最后使用系统默认值
|
||||
model = model or self.config.model or DEFAULT_MODEL
|
||||
|
||||
cfg = self.config.extra_config or {}
|
||||
resolution = resolution or cfg.get("resolution") or DEFAULT_RESOLUTION
|
||||
aspect_ratio = aspect_ratio or cfg.get("aspect_ratio") or DEFAULT_ASPECT_RATIO
|
||||
num_images = min(max(num_images, 1), 4) # 限制 1-4
|
||||
|
||||
start_time = time.time()
|
||||
logger.info(
|
||||
"cqtai_generate_start",
|
||||
prompt_length=len(prompt),
|
||||
model=model,
|
||||
resolution=resolution,
|
||||
aspect_ratio=aspect_ratio,
|
||||
num_images=num_images,
|
||||
)
|
||||
|
||||
# 1. 提交生成任务
|
||||
task_id = await self._submit_task(
|
||||
prompt=prompt,
|
||||
model=model,
|
||||
resolution=resolution,
|
||||
aspect_ratio=aspect_ratio,
|
||||
num_images=num_images,
|
||||
files_url=files_url or [],
|
||||
)
|
||||
|
||||
logger.info("cqtai_task_submitted", task_id=task_id)
|
||||
|
||||
# 2. 轮询获取结果
|
||||
result = await self._poll_result(task_id)
|
||||
|
||||
elapsed = time.time() - start_time
|
||||
logger.info(
|
||||
"cqtai_generate_success",
|
||||
task_id=task_id,
|
||||
elapsed_seconds=round(elapsed, 2),
|
||||
image_count=len(result) if isinstance(result, list) else 1,
|
||||
)
|
||||
|
||||
# 单张图片返回字符串，多张返回列表
|
||||
if num_images == 1 and isinstance(result, list) and len(result) == 1:
|
||||
return result[0]
|
||||
return result
|
||||
|
||||
async def health_check(self) -> bool:
|
||||
"""检查 CQTAI API 是否可用。"""
|
||||
try:
|
||||
async with httpx.AsyncClient(timeout=10) as client:
|
||||
# 简单的连通性测试
|
||||
response = await client.get(
|
||||
f"{self.api_base}/api/cqt/info/nano",
|
||||
params={"id": "health_check_test"},
|
||||
headers={"Authorization": self.config.api_key},
|
||||
)
|
||||
# 即使返回错误也说明服务可达
|
||||
return response.status_code in (200, 400, 401, 403, 404)
|
||||
except Exception:
|
||||
return False
|
||||
|
||||
@property
|
||||
def estimated_cost(self) -> float:
|
||||
"""预估每张图片成本 (USD)。
|
||||
|
||||
nano-banana: ¥0.1 ≈ $0.014
|
||||
nano-banana-pro: ¥0.2 ≈ $0.028
|
||||
"""
|
||||
model = self.config.model or DEFAULT_MODEL
|
||||
if model == "nano-banana-pro":
|
||||
return 0.028
|
||||
return 0.014
|
||||
|
||||
@retry(
|
||||
stop=stop_after_attempt(3),
|
||||
wait=wait_exponential(multiplier=1, min=1, max=10),
|
||||
retry=retry_if_exception_type((httpx.HTTPError, httpx.TimeoutException)),
|
||||
reraise=True,
|
||||
)
|
||||
async def _submit_task(
|
||||
self,
|
||||
prompt: str,
|
||||
model: str,
|
||||
resolution: str,
|
||||
aspect_ratio: str,
|
||||
num_images: int,
|
||||
files_url: list[str],
|
||||
) -> str:
|
||||
"""提交图像生成任务，返回任务 ID。"""
|
||||
timeout = self.config.timeout_ms / 1000
|
||||
|
||||
payload = {
|
||||
"prompt": prompt,
|
||||
"numImages": num_images,
|
||||
"aspectRatio": aspect_ratio,
|
||||
"filesUrl": files_url,
|
||||
}
|
||||
|
||||
# 可选参数，不传则使用默认值
|
||||
if model != DEFAULT_MODEL:
|
||||
payload["model"] = model
|
||||
if resolution != DEFAULT_RESOLUTION:
|
||||
payload["resolution"] = resolution
|
||||
|
||||
async with httpx.AsyncClient(timeout=timeout) as client:
|
||||
response = await client.post(
|
||||
f"{self.api_base}/api/cqt/generator/nano",
|
||||
json=payload,
|
||||
headers={
|
||||
"Authorization": self.config.api_key,
|
||||
"Content-Type": "application/json",
|
||||
},
|
||||
)
|
||||
response.raise_for_status()
|
||||
data = response.json()
|
||||
|
||||
if data.get("code") != 200:
|
||||
raise ValueError(f"CQTAI 任务提交失败: {data.get('msg', '未知错误')}")
|
||||
|
||||
task_id = data.get("data")
|
||||
if not task_id:
|
||||
raise ValueError("CQTAI 未返回任务 ID")
|
||||
|
||||
return task_id
|
||||
|
||||
async def _poll_result(self, task_id: str) -> list[str]:
|
||||
"""轮询获取生成结果。
|
||||
|
||||
Returns:
|
||||
图片 URL 列表
|
||||
"""
|
||||
timeout = self.config.timeout_ms / 1000
|
||||
|
||||
for attempt in range(MAX_POLL_ATTEMPTS):
|
||||
async with httpx.AsyncClient(timeout=timeout) as client:
|
||||
response = await client.get(
|
||||
f"{self.api_base}/api/cqt/info/nano",
|
||||
params={"id": task_id},
|
||||
headers={"Authorization": self.config.api_key},
|
||||
)
|
||||
response.raise_for_status()
|
||||
data = response.json()
|
||||
|
||||
if data.get("code") != 200:
|
||||
raise ValueError(f"CQTAI 查询失败: {data.get('msg', '未知错误')}")
|
||||
|
||||
result_data = data.get("data", {})
|
||||
status = result_data.get("status")
|
||||
|
||||
if status == "completed":
|
||||
# 提取图片 URL
|
||||
images = result_data.get("images", [])
|
||||
if not images:
|
||||
# 兼容不同返回格式
|
||||
image_url = result_data.get("imageUrl") or result_data.get("url")
|
||||
if image_url:
|
||||
images = [image_url]
|
||||
|
||||
if not images:
|
||||
raise ValueError("CQTAI 未返回图片 URL")
|
||||
|
||||
return images
|
||||
|
||||
elif status == "failed":
|
||||
error_msg = result_data.get("error", "生成失败")
|
||||
raise ValueError(f"CQTAI 图像生成失败: {error_msg}")
|
||||
|
||||
# 继续等待
|
||||
logger.debug(
|
||||
"cqtai_poll_waiting",
|
||||
task_id=task_id,
|
||||
attempt=attempt + 1,
|
||||
status=status,
|
||||
)
|
||||
await asyncio.sleep(POLL_INTERVAL_SECONDS)
|
||||
|
||||
raise TimeoutError(f"CQTAI 任务超时: {task_id}")
|
||||
|
||||
Reference in New Issue
Block a user