"""前端日志配置（MCP 标准：输出到 stderr）"""
import logging
import os
import sys
def setup_logger():
"""配置前端日志系统
- 输出到 stderr（MCP 标准）
- 通过环境变量 LOG_LEVEL 控制级别（默认 INFO）
"""
root_logger = logging.getLogger()
# 避免重复配置
if root_logger.handlers:
return root_logger
level = os.getenv("LOG_LEVEL", "INFO").upper()
root_logger.setLevel(getattr(logging, level, logging.INFO))
handler = logging.StreamHandler(sys.stderr)
handler.setLevel(root_logger.level)
formatter = logging.Formatter(
fmt="%(asctime)s | %(levelname)-7s | %(name)s | %(message)s",
datefmt="%Y-%m-%d %H:%M:%S",
)
handler.setFormatter(formatter)
root_logger.addHandler(handler)
return root_logger
setup_logger()
logger = logging.getLogger("memory-mcp-frontend")
