Python 后端提交

Python 后端（FastAPI + FastMCP + ...）的初始版本号设定为 0.1.0，这是 uv 在 pypriject.toml
里给我自动设置的，我觉得有道理。

njupt_api/baselib/mcploggingmiddleware.py

@@ -0,0 +1,36 @@
+import time
+
+from fastmcp.server.middleware import CallNext, MiddlewareContext
+from fastmcp.server.middleware.middleware import Middleware
+from fastmcp.tools import ToolResult
+from mcp import types as mt
+
+from . import config
+from .logger import logger
+
+
+class LoggingMiddleware(Middleware):
+    async def on_call_tool(
+        self,
+        context: MiddlewareContext[mt.CallToolRequestParams],
+        call_next: CallNext[mt.CallToolRequestParams, ToolResult],
+    ) -> ToolResult:
+        tool_name = context.message.name
+        args = context.message.arguments
+
+        start_time = time.time()
+        logger.debug(f"MCP → 调用工具: {tool_name}")
+        if config.get("log", "log_mcp_request_details", False):
+            logger.debug(f"调用参数 - {args=}")
+
+        try:
+            result = await call_next(context)
+            elapsed = time.time() - start_time
+            logger.info(f"MCP ← 工具 {tool_name} 完成, 耗时: {elapsed:.3f}s")
+            return result
+        except Exception as e:
+            elapsed = time.time() - start_time
+            logger.error(
+                f"MCP ✗ 工具 {tool_name} 失败, 耗时: {elapsed:.3f}s, 错误: {e}",
+            )
+            raise