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| import logging | |
| import logging.handlers | |
| import os | |
| import sys | |
| from typing import Tuple | |
| from config import LOG_DIR, ACTIVE_AUTH_DIR, SAVED_AUTH_DIR, APP_LOG_FILE_PATH | |
| from models import StreamToLogger, WebSocketLogHandler, WebSocketConnectionManager | |
| def setup_server_logging( | |
| logger_instance: logging.Logger, | |
| log_ws_manager: WebSocketConnectionManager, | |
| log_level_name: str = "INFO", | |
| redirect_print_str: str = "false" | |
| ) -> Tuple[object, object]: | |
| """ | |
| 设置服务器日志系统 | |
| Args: | |
| logger_instance: 主要的日志器实例 | |
| log_ws_manager: WebSocket连接管理器 | |
| log_level_name: 日志级别名称 | |
| redirect_print_str: 是否重定向print输出 | |
| Returns: | |
| Tuple[object, object]: 原始的stdout和stderr流 | |
| """ | |
| log_level = getattr(logging, log_level_name.upper(), logging.INFO) | |
| redirect_print = redirect_print_str.lower() in ('true', '1', 'yes') | |
| # 创建必要的目录 | |
| os.makedirs(LOG_DIR, exist_ok=True) | |
| os.makedirs(ACTIVE_AUTH_DIR, exist_ok=True) | |
| os.makedirs(SAVED_AUTH_DIR, exist_ok=True) | |
| # 设置文件日志格式器 | |
| file_log_formatter = logging.Formatter('%(asctime)s - %(levelname)s - [%(name)s:%(funcName)s:%(lineno)d] - %(message)s') | |
| # 清理现有的处理器 | |
| if logger_instance.hasHandlers(): | |
| logger_instance.handlers.clear() | |
| logger_instance.setLevel(log_level) | |
| logger_instance.propagate = False | |
| # 移除旧的日志文件 | |
| if os.path.exists(APP_LOG_FILE_PATH): | |
| try: | |
| os.remove(APP_LOG_FILE_PATH) | |
| except OSError as e: | |
| print(f"警告 (setup_server_logging): 尝试移除旧的 app.log 文件 '{APP_LOG_FILE_PATH}' 失败: {e}。将依赖 mode='w' 进行截断。", file=sys.__stderr__) | |
| # 添加文件处理器 | |
| file_handler = logging.handlers.RotatingFileHandler( | |
| APP_LOG_FILE_PATH, maxBytes=5*1024*1024, backupCount=5, encoding='utf-8', mode='w' | |
| ) | |
| file_handler.setFormatter(file_log_formatter) | |
| logger_instance.addHandler(file_handler) | |
| # 添加WebSocket处理器 | |
| if log_ws_manager is None: | |
| print("严重警告 (setup_server_logging): log_ws_manager 未初始化!WebSocket 日志功能将不可用。", file=sys.__stderr__) | |
| else: | |
| ws_handler = WebSocketLogHandler(log_ws_manager) | |
| ws_handler.setLevel(logging.INFO) | |
| logger_instance.addHandler(ws_handler) | |
| # 添加控制台处理器 | |
| console_server_log_formatter = logging.Formatter('%(asctime)s - %(levelname)s [SERVER] - %(message)s') | |
| console_handler = logging.StreamHandler(sys.stderr) | |
| console_handler.setFormatter(console_server_log_formatter) | |
| console_handler.setLevel(log_level) | |
| logger_instance.addHandler(console_handler) | |
| # 保存原始流 | |
| original_stdout = sys.stdout | |
| original_stderr = sys.stderr | |
| # 重定向print输出(如果需要) | |
| if redirect_print: | |
| print("--- 注意:server.py 正在将其 print 输出重定向到日志系统 (文件、WebSocket 和控制台记录器) ---", file=original_stderr) | |
| stdout_redirect_logger = logging.getLogger("AIStudioProxyServer.stdout") | |
| stdout_redirect_logger.setLevel(logging.INFO) | |
| stdout_redirect_logger.propagate = True | |
| sys.stdout = StreamToLogger(stdout_redirect_logger, logging.INFO) | |
| stderr_redirect_logger = logging.getLogger("AIStudioProxyServer.stderr") | |
| stderr_redirect_logger.setLevel(logging.ERROR) | |
| stderr_redirect_logger.propagate = True | |
| sys.stderr = StreamToLogger(stderr_redirect_logger, logging.ERROR) | |
| else: | |
| print("--- server.py 的 print 输出未被重定向到日志系统 (将使用原始 stdout/stderr) ---", file=original_stderr) | |
| # 配置第三方库的日志级别 | |
| logging.getLogger("uvicorn").setLevel(logging.WARNING) | |
| logging.getLogger("uvicorn.error").setLevel(logging.INFO) | |
| logging.getLogger("uvicorn.access").setLevel(logging.WARNING) | |
| logging.getLogger("websockets").setLevel(logging.WARNING) | |
| logging.getLogger("playwright").setLevel(logging.WARNING) | |
| logging.getLogger("asyncio").setLevel(logging.ERROR) | |
| # 记录初始化信息 | |
| logger_instance.info("=" * 5 + " AIStudioProxyServer 日志系统已在 lifespan 中初始化 " + "=" * 5) | |
| logger_instance.info(f"日志级别设置为: {logging.getLevelName(log_level)}") | |
| logger_instance.info(f"日志文件路径: {APP_LOG_FILE_PATH}") | |
| logger_instance.info(f"控制台日志处理器已添加。") | |
| logger_instance.info(f"Print 重定向 (由 SERVER_REDIRECT_PRINT 环境变量控制): {'启用' if redirect_print else '禁用'}") | |
| return original_stdout, original_stderr | |
| def restore_original_streams(original_stdout: object, original_stderr: object) -> None: | |
| """ | |
| 恢复原始的stdout和stderr流 | |
| Args: | |
| original_stdout: 原始的stdout流 | |
| original_stderr: 原始的stderr流 | |
| """ | |
| sys.stdout = original_stdout | |
| sys.stderr = original_stderr | |
| print("已恢复 server.py 的原始 stdout 和 stderr 流。", file=sys.__stderr__) |