to modelcontextprotocol#573 add log

Author: kunxin.lkx

mcp-server-demo/mcp-server-demo/server.py

@@ -1,7 +1,38 @@
 # server.py
+import logging
+import os
+import sys
+from datetime import datetime
 from mcp.server.fastmcp import FastMCP
 import requests
 
+# Configure logging
+log_dir = "logs"
+if not os.path.exists(log_dir):
+    os.makedirs(log_dir)
+
+log_file = os.path.join(log_dir, f"server_{datetime.now().strftime('%Y%m%d')}.log")
+
+# Create formatters
+formatter = logging.Formatter('%(asctime)s - %(levelname)s - %(message)s')
+
+# Create handlers
+file_handler = logging.FileHandler(log_file)
+file_handler.setFormatter(formatter)
+
+# Configure root logger
+logging.basicConfig(
+    level=logging.INFO,
+    format='%(asctime)s - %(levelname)s - %(message)s',
+    handlers=[file_handler]
+)
+
+# Get logger
+logger = logging.getLogger(__name__)
+
+# Test log message
+logger.info("=== Logging system initialized ===")
+
 # Create an MCP server
 mcp = FastMCP("Demo")
 
@@ -10,17 +41,23 @@
 @mcp.tool()
 def add(a: int, b: int) -> int:
     """Add two numbers"""
-    return a + b
+    logger.info(f"Function 'add' called with parameters: a={a}, b={b}")
+    result = a + b
+    logger.info(f"Function 'add' returned: {result}")
+    return result
 
 
 # Add a dynamic greeting resource
 @mcp.resource("greeting://{name}")
 def get_greeting(name: str) -> str:
     """Get a personalized greeting"""
-    return f"Hello, {name}!"
+    logger.info(f"Function 'get_greeting' called with parameter: name={name}")
+    result = f"Hello, {name}!"
+    logger.info(f"Function 'get_greeting' returned: {result}")
+    return result
 
 @mcp.tool()
-def request_wxread_gongzhonghao_articles(book_id: str,token: str) -> str:
+def request_wxread_gongzhonghao_articles(book_id: str, token: str) -> str:
     """请求微信阅读公众号文章
     真实请求头参考：
 
@@ -38,6 +75,8 @@ def request_wxread_gongzhonghao_articles(book_id: str,token: str) -> str:
     Accept-Encoding: gzip
     
     """
+    logger.info(f"Function 'request_wxread_gongzhonghao_articles' called with parameters: book_id={book_id}, token={'*' * len(token) if token else 'None'}")
+    
     host = "https://i.weread.qq.com"
 
     headers = {
@@ -68,11 +107,18 @@ def request_wxread_gongzhonghao_articles(book_id: str,token: str) -> str:
             params=params
         )
         response.raise_for_status()
-        return response.text
+        result = response.text
+        logger.info(f"Function 'request_wxread_gongzhonghao_articles' returned successfully with response length: {len(result)} ; content: {result[:100]}")
+        return result
     except requests.exceptions.RequestException as e:
-        return f"Error fetching articles: {str(e)}"
+        error_msg = f"Error fetching articles: {str(e)}"
+        logger.error(error_msg)
+        return error_msg
 
 
 def get_wxread_token():
     """获取微信阅读token"""
-    return "fcMfiJf6"
+    logger.info("Function 'get_wxread_token' called")
+    token = "fcMfiJf6"
+    logger.info(f"Function 'get_wxread_token' returned token: {'*' * len(token)}")
+    return token