add ai image base

ai_service/llm/adapter/tongyi.py

@@ -0,0 +1,51 @@
+from langchain_deepseek import ChatDeepSeek
+from http import HTTPStatus
+from urllib.parse import urlparse, unquote
+from pathlib import PurePosixPath
+import requests
+from dashscope import ImageSynthesis
+import os
+
+from llm.base import MultiModalAICapability
+
+
+class TongYiAdapter(MultiModalAICapability):
+    def __init__(self, api_key, model, **kwargs):
+        self.api_key = api_key
+        self.model = model
+        self.llm = ChatDeepSeek(api_key=api_key, model=model, streaming=True)
+
+    async def chat(self, messages, **kwargs):
+        # 兼容 DeepSeek 的调用方式
+        return await self.llm.ainvoke(messages)
+
+    async def stream_chat(self, messages, **kwargs):
+        async for chunk in self.llm.astream(messages):
+            yield chunk
+
+    @staticmethod
+    def create_image_task(api_key, model, prompt: str, style='<watercolor>', size='1024*1024', n=1):
+        """创建异步图片生成任务"""
+        rsp = ImageSynthesis.async_call(
+            api_key=api_key,
+            model=model,
+            prompt=prompt,
+            n=n,
+            style=style,
+            size=size
+        )
+        if rsp.status_code == HTTPStatus.OK:
+            return rsp
+        else:
+            raise Exception(f"Failed, status_code: {rsp.status_code}, code: {rsp.code}, message: {rsp.message}")
+
+    @staticmethod
+    def fetch_image_task_status(task):
+        """获取异步图片任务状态"""
+        status = ImageSynthesis.fetch(task)
+        if status.status_code == HTTPStatus.OK:
+            return status.output.task_status
+        else:
+            raise Exception(f"Failed, status_code: {status.status_code}, code: {status.code}, message: {status.message}")
+
+