update:单模块部署xiaozhi-server，支持mcp调用摄像头识图

main/xiaozhi-server/core/providers/vllm/base.py

@@ -0,0 +1,12 @@
+from abc import ABC, abstractmethod
+from config.logger import setup_logging
+
+TAG = __name__
+logger = setup_logging()
+
+
+class VLLMProviderBase(ABC):
+    @abstractmethod
+    def response(self, question, base64_image):
+        """VLLM response generator"""
+        pass

main/xiaozhi-server/core/providers/vllm/openai.py

@@ -0,0 +1,63 @@
+import openai
+import json
+from config.logger import setup_logging
+from core.utils.util import check_model_key
+from core.providers.vllm.base import VLLMProviderBase
+
+TAG = __name__
+logger = setup_logging()
+
+
+class VLLMProvider(VLLMProviderBase):
+    def __init__(self, config):
+        self.model_name = config.get("model_name")
+        self.api_key = config.get("api_key")
+        if "base_url" in config:
+            self.base_url = config.get("base_url")
+        else:
+            self.base_url = config.get("url")
+
+        param_defaults = {
+            "max_tokens": (500, int),
+            "temperature": (0.7, lambda x: round(float(x), 1)),
+            "top_p": (1.0, lambda x: round(float(x), 1)),
+        }
+
+        for param, (default, converter) in param_defaults.items():
+            value = config.get(param)
+            try:
+                setattr(
+                    self,
+                    param,
+                    converter(value) if value not in (None, "") else default,
+                )
+            except (ValueError, TypeError):
+                setattr(self, param, default)
+
+        check_model_key("VLLM", self.api_key)
+        self.client = openai.OpenAI(api_key=self.api_key, base_url=self.base_url)
+
+    def response(self, question, base64_image):
+        try:
+            messages = [
+                {
+                    "role": "user",
+                    "content": [
+                        {"type": "text", "text": question},
+                        {
+                            "type": "image_url",
+                            "image_url": {"url": f"{base64_image}"},
+                        },
+                    ],
+                }
+            ]
+
+            response = self.client.chat.completions.create(
+                model=self.model_name, messages=messages, stream=False
+            )
+
+            return response.choices[0].message.content
+
+        except Exception as e:
+            logger.bind(tag=TAG).error(f"Error in response generation: {e}")
+            raise