style: format all Python files with Black

Apply Black formatter to the entire codebase for consistent code style.

Co-Authored-By: Claude (glm-5) <noreply@anthropic.com>

gui/widgets/log_handler.py

@@ -3,6 +3,7 @@
 """
 自定义 logging Handler，将日志输出到 LogText 组件
 """
+
 import logging
 import re
 from typing import Optional
@@ -29,11 +30,11 @@ class GuiTextHandler(logging.Handler):
 
         # 映射 logging 级别到 LogText 级别
         self.level_map = {
-            logging.INFO: 'INFO',
-            logging.WARNING: 'WARNING',
-            logging.ERROR: 'ERROR',
-            logging.DEBUG: 'DEBUG',
-            logging.CRITICAL: 'ERROR'
+            logging.INFO: "INFO",
+            logging.WARNING: "WARNING",
+            logging.ERROR: "ERROR",
+            logging.DEBUG: "DEBUG",
+            logging.CRITICAL: "ERROR",
         }
 
     def set_log_text(self, log_text: LogText):
@@ -57,7 +58,7 @@ class GuiTextHandler(logging.Handler):
 
         try:
             # 获取日志级别
-            level = self.level_map.get(record.levelno, 'INFO')
+            level = self.level_map.get(record.levelno, "INFO")
 
             # 只获取消息内容，不包含时间戳和级别（LogText.log() 会添加）
             message = record.getMessage()
@@ -78,6 +79,7 @@ class GuiTextHandler(logging.Handler):
 
             # 尝试使用 after 确保在主线程更新
             import tkinter as tk
+
             try:
                 # 尝试获取主窗口
                 widget = self.log_text
@@ -112,9 +114,9 @@ class GuiTextHandler(logging.Handler):
             清理后的消息
         """
         # 常见的日志级别标记模式
-        level_pattern = r'^\[(?:INFO|WARNING|ERROR|DEBUG|CRITICAL|WARN|SUCCESS)\]\s*'
+        level_pattern = r"^\[(?:INFO|WARNING|ERROR|DEBUG|CRITICAL|WARN|SUCCESS)\]\s*"
         match = re.match(level_pattern, message)
         if match:
             # 移除匹配到的级别前缀
-            return message[match.end():]
+            return message[match.end() :]
         return message