备份一个项目

以下是加入了无痕浏览功能的 Python 浏览器代码： ```python import tkinter as tk import webbrowser import requests import os import re from bs4 import BeautifulSoup class Browser:   def __init__(self):     self.history = [] # 记录浏览历史的列表     self.bookmarks = {} # 标签页的字典，每个键存储对应的url     self.ad_blocker = True # 广告拦截器的状态     self.private_mode = False # 私密浏览模式的状态     self.temp_folder = "temp" # 缓存临时文件的文件夹名称   def create_browser_gui(self):     # 创建浏览器窗口和组件     self.root = tk.Tk()     self.root.title("Python Browser")     self.address_frame = tk.Frame(self.root)     self.address_label = tk.Label(self.address_frame, text="Address:")     self.address_entry = tk.Entry(self.address_frame, width=50)     self.address_button = tk.Button(self.address_frame, text="Go", command=self.go_to_website)     self.address_label.pack(side=tk.LEFT    self.address_entry.pack(side=tk.LEFT)     self.address_button.pack(side=tk.LEFT)     self.address_frame.pack()     self.browser_window = tk.Text(self.root, height=50, width=120)     self.browser_window.pack()     self.root.mainloop()   def go_to(self):     # 转到指定的网页     url = self.address_entry.get()     if url:       # 检查网址格式是否正确       if 'http://' not in url and 'https://' not in url:         url = 'http://' + url       self.address_entry.delete(0, tk.END)       self.history.append(url) # 将网址添加到浏览历史中       self.browser_window.delete(1.0, tk.END)       self.browser_window.insert(tk.END, f"Now loading: {url}")       self.root.update()       if self.private_mode:         self.get_website_from_cache(url)       else:         self.get_website_text(url)        if url not in self.bookmarks: # 添加未加入书签的网站到最近访问列表中         self.bookmarks[url] = 'Latest Site'       self.remove_old_cache_files() # 删除超时的缓存文件   def get_website_text(self, url):     # 获取网页内容并显示     headers = {'User-Agent': 'Mozilla/5.0 (Windows NT 10.0; Win64; x64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/58.0.3029.110 Safari/537.3'}     response = requests.get(url, headers=headers)     soup = BeautifulSoup(response.text, "html.parser    text = soup.get_text()     if self.ad_blocker:       text = self.remove_ads(text) # 若广告拦截器打开，则去除内容中广告     self.browser_window.delete(1.0, tk.END)     self.browser_window.insert(tk.END, text)     if not self.private_mode:       self.write_website_to_cache(url, text) # 将网站内容写入缓存文件   def write_website_to_cache(self, url, text):     # 将网站内容写入缓存文件     if not os.path.exists(self.temp_folder):       os.mkdir(self.temp_folder)     filename = re.sub(r'\W+', '', url) # 以URL中的合法字符创建文件名     filepath = os.path.join(self.temp_folder, filename)     with open(filepath, "w") as f:       f.write(text)   def get_website_from_cache(self, url):     # 从缓存文件中读取网页内容     filename = re.sub(r'\W+', '', url)     filepath = os.path.join(self.temp_folder, filename)     if os.path.exists(filepath):       with open(filepath) as f:         text = f.read()       self.browser_window.insert(tk.END, text)     else:       self.get_website_text(url)   def remove_old_cache_files(self):     # 删除超时的缓存文件     if os.path.exists(self.temp_folder):       now = time.time()       for file in os.listdir(self.temp_folder):         filepath = os.path.join(self.temp_folder, file)         if os.stat(filepath).st_mtime < (now - 86400): # 超时时间设为一天           os.remove(filepath)   def remove_ads(self, text):     # 从内容中删除广告     #