3b7c00377f
Apply Black formatter to the entire codebase for consistent code style. Co-Authored-By: Claude (glm-5) <noreply@anthropic.com>
188 lines
5.6 KiB
Python
188 lines
5.6 KiB
Python
#!/usr/bin/env python
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# -*- coding: utf-8 -*-
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"""
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日志文本框组件
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带颜色支持的日志显示组件。
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"""
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import tkinter as tk
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from datetime import datetime
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class LogText(tk.Frame):
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"""日志文本框组件（带滚动条）"""
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# 日志级别颜色配置
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LOG_COLORS = {
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"INFO": "#000000", # 黑色
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"SUCCESS": "#008000", # 绿色
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"WARNING": "#FF8C00", # 深橙色
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"ERROR": "#FF0000", # 红色
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"DEBUG": "#808080", # 灰色
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}
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def __init__(self, parent, readonly=True, **kwargs):
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"""
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初始化日志文本框
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Args:
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parent: 父容器
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readonly: 是否为只读模式
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**kwargs: 其他参数
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"""
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super().__init__(parent)
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# 创建文本框和滚动条
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self.text = tk.Text(self, **kwargs)
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self.scrollbar = tk.Scrollbar(self, orient=tk.VERTICAL, command=self.text.yview)
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self.text.configure(yscrollcommand=self.scrollbar.set)
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# 布局
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self.text.grid(row=0, column=0, sticky="nsew")
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self.scrollbar.grid(row=0, column=1, sticky="ns")
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# 配置网格权重
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self.grid_rowconfigure(0, weight=1)
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self.grid_columnconfigure(0, weight=1)
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# 标记 tags 是否已配置
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self._tags_configured = False
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# 设置为只读模式
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if readonly:
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self._make_readonly()
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def _ensure_tags_configured(self):
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"""确保文本标签已配置（延迟配置，在首次使用时）"""
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if not self._tags_configured:
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try:
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for level, color in self.LOG_COLORS.items():
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self.text.tag_config(level.lower(), foreground=color)
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self._tags_configured = True
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except Exception:
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# 如果配置失败，标记为已尝试，避免重复尝试
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self._tags_configured = True
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def _make_readonly(self):
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"""通过绑定事件使文本框只读"""
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# 允许复制、全选等常用操作，阻止其他编辑操作
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self.text.bind("<Key>", self._handle_key)
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self.text.bind("<Button-1>", self._allow_click) # 允许左键点击选择
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def _handle_key(self, event):
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"""处理按键事件，允许复制操作，阻止编辑"""
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# 允许的快捷键
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allowed_keys = [
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"Control-c", # 复制
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"Control-C", # 复制（大写）
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"Control-a", # 全选
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"Control-A", # 全选（大写）
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"Control-x", # 剪切（虽然剪不了，但不报错）
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"Control-X",
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]
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# 检查是否是允许的快捷键
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key_sym = event.keysym
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state = event.state
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# 检查 Ctrl 组合键
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if state & 0x4: # Ctrl 键被按下
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full_key = f"Control-{key_sym}"
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if full_key in allowed_keys:
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return # 允许执行
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# 其他所有按键都阻止
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return "break"
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def _allow_click(self, event):
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"""允许点击和选择文本"""
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# 不打断事件，允许正常的选择操作
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return
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def log(self, message: str, level: str = "INFO") -> None:
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"""
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添加日志消息
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Args:
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message: 日志消息
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level: 日志级别 (INFO, SUCCESS, WARNING, ERROR, DEBUG)
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"""
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# 确保 tags 已配置
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self._ensure_tags_configured()
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timestamp = datetime.now().strftime("%Y-%m-%d %H:%M:%S")
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log_message = f"[{timestamp}] [{level}] {message}\n"
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# 插入文本
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tag = level.lower() if self._tags_configured else None
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if tag:
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try:
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self.text.insert("end", log_message, (tag,))
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except Exception:
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# 如果带标签插入失败，尝试不带标签
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self.text.insert("end", log_message)
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else:
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self.text.insert("end", log_message)
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# 自动滚动到底部
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self.text.see("end")
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def info(self, message: str) -> None:
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"""添加 INFO 级别日志"""
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self.log(message, "INFO")
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def success(self, message: str) -> None:
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"""添加 SUCCESS 级别日志"""
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self.log(message, "SUCCESS")
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def warning(self, message: str) -> None:
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"""添加 WARNING 级别日志"""
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self.log(message, "WARNING")
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def error(self, message: str) -> None:
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"""添加 ERROR 级别日志"""
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self.log(message, "ERROR")
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def debug(self, message: str) -> None:
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"""添加 DEBUG 级别日志"""
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self.log(message, "DEBUG")
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def clear(self) -> None:
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"""清空日志"""
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self.text.delete("1.0", "end")
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def save_to_file(self, file_path: str) -> bool:
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"""
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保存日志到文件
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Args:
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file_path: 保存路径
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Returns:
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是否成功
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"""
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try:
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with open(file_path, "w", encoding="utf-8") as f:
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f.write(self.text.get("1.0", "end-1c"))
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return True
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except Exception as e:
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self.error(f"保存日志失败: {e}")
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return False
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# 委托其他常用方法到内部 text 组件
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def pack(self, **kwargs):
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"""Pack 布局"""
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super().pack(**kwargs)
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def grid(self, **kwargs):
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"""Grid 布局"""
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super().grid(**kwargs)
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def apply_font(self, font_family: str, font_size: int):
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"""应用字体设置"""
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from tkinter import font as tk_font
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font_spec = tk_font.Font(family=font_family, size=font_size)
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self.text.configure(font=font_spec)
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