Merge pull request '实现了基本的目录扫描、文件/目录大小统计功能' (#1) from dev into main
Reviewed-on: #1
This commit is contained in:
commit
08bb3e9ef3
13
README.md
13
README.md
@ -1,2 +1,15 @@
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# SpaceSniffer
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### 1.软件说明
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一款开源的文件/目录扫描工具，可以直观地展示目录的文件结构以及文件大小
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### 2.使用方法
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打开软件后选择要扫描的目录，等到扫描完成即可
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更多的使用方法请参考软件自带的帮助文档
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### 3.软件截图
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待添加
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### 4.开源相关
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开源协议：GPLv3
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开源地址：https://git.a6.wiki/ahdoawhfo/SpaceSniffer/
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434
SpaceSniffer.py
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434
SpaceSniffer.py
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import os
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import threading
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import tkinter as tk
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from tkinter import ttk, messagebox
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import tkinter.filedialog
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from queue import Queue
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import subprocess
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import send2trash
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class FolderScanner(threading.Thread):
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def __init__(self, start_path, queue):
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"""
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初始化函数，创建一个线程并设置起始路径和队列。
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Args:
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start_path (str): 起始路径，表示要遍历的文件夹的根目录。
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queue (Queue): 队列对象，用于线程间的通信，存放待处理或已处理过的文件或文件夹路径。
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Returns:
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None
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"""
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# 使用super()调用父类threading.Thread的__init__方法
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super().__init__()
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self.start_path = start_path
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self.queue = queue
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def run(self):
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"""
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运行扫描文件夹并获取文件信息的操作。
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Args:
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无参数。
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Returns:
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无返回值。
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"""
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self.scan_folder(self.start_path)
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def scan_folder(self, folder):
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"""
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遍历指定文件夹下的所有子文件夹和文件，并将它们的路径、大小、父文件夹路径和类型（文件夹或文件）放入队列中。
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Args:
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folder (str): 需要遍历的文件夹路径。
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Returns:
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None.
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"""
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for dirpath, dirnames, filenames in os.walk(folder):
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for dirname in dirnames:
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folder_path = os.path.join(dirpath, dirname)
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size = self.get_size(folder_path)
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self.queue.put((folder_path, size, dirpath, "folder"))
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for filename in filenames:
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file_path = os.path.join(dirpath, filename)
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size = os.path.getsize(file_path)
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self.queue.put((file_path, size, dirpath, "file"))
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def get_size(self, path):
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# 初始化总大小为0
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total_size = 0
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# 遍历指定路径下的所有文件和目录
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for dirpath, dirnames, filenames in os.walk(path):
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# 遍历当前目录下的所有文件
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for f in filenames:
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# 拼接文件的完整路径
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fp = os.path.join(dirpath, f)
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# 将文件大小累加到总大小中
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total_size += os.path.getsize(fp)
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return total_size
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class App(tk.Tk):
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def __init__(self, start_path):
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"""
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初始化目录扫描器窗口
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Args:
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start_path (str): 开始扫描的目录路径
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Returns:
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None
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"""
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super().__init__()
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self.title("目录扫描器 V1.0")
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self.start_path = start_path
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self.queue = Queue()
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self.scanner = FolderScanner(start_path, self.queue)
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self.scanner.start()
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self.style = ttk.Style(self)
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self.style.configure(
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"Treeview", font=("Helvetica", 10), rowheight=25
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) # 设置行高
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self.style.configure("Treeview.Heading", font=("Helvetica", 12, "bold"))
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self.tree = ttk.Treeview(self, style="Treeview")
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self.tree.heading("#0", text="目录/文件名（目录/文件大小）", anchor="w")
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self.tree.tag_configure("folder", foreground="orange")
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self.tree.tag_configure("file", foreground="black")
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self.tree.pack(fill=tk.BOTH, expand=True)
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self.folder_first_var = tk.BooleanVar()
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self.folder_first_checkbutton = tk.Checkbutton(
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self, text="目录优先显示", variable=self.folder_first_var
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)
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self.folder_first_checkbutton.pack(side=tk.LEFT, fill=tk.X)
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self.folder_first_checkbutton.config(command=self.update_folder_first_var)
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self.sort_by_size_button = tk.Button(
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self, text="根据目录/文件大小排序", command=self.sort_by_size
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)
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self.sort_by_size_button.pack(side=tk.LEFT, fill=tk.X)
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self.sort_by_name_button = tk.Button(
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self, text="根据目录/文件名排序", command=self.sort_by_name
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)
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self.sort_by_name_button.pack(side=tk.LEFT, fill=tk.X)
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self.refresh_button = tk.Button(
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self, text="刷新列表", command=self.refresh_tree
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)
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self.refresh_button.pack(side=tk.LEFT, fill=tk.X)
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self.tree.bind("<Button-3>", self.show_context_menu)
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self.size_sort_order = True
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self.name_sort_order = True
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self.is_sorting = False
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self.populate_root()
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self.update_tree()
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self.protocol("WM_DELETE_WINDOW", self.on_close)
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self.set_window_size()
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def populate_root(self):
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"""
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在树形控件中填充根节点。
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Args:
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无参数。
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Returns:
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无返回值。
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"""
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size = self.scanner.get_size(self.start_path) / 1024 / 1024
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self.tree.insert(
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"",
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"end",
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iid=self.start_path,
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text=f"{os.path.basename(self.start_path)} ({size:.2f} MB)",
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tags=("folder",),
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open=True,
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)
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def update_tree(self):
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"""
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更新树形结构，将磁盘文件信息更新到树形视图中。
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Args:
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无
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Returns:
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无
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"""
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if not self.is_sorting:
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while not self.queue.empty():
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path, size, parent, tag = self.queue.get()
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size_mb = size / 1024 / 1024
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parent_iid = self.get_iid(parent)
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if parent == self.start_path:
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parent_iid = self.start_path
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if not self.tree.exists(self.get_iid(path)):
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self.tree.insert(
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parent_iid,
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"end",
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iid=self.get_iid(path),
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text=f"{os.path.basename(path)} ({size_mb:.2f} MB)",
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tags=(tag,),
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open=False,
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)
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self.after(100, self.update_tree)
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def get_iid(self, path):
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"""
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获取指定路径的iid值
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Args:
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path (str): 文件或目录的路径
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Returns:
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str: 路径本身作为iid值返回
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"""
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return path
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def sort_by_size(self):
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"""
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根据文件或文件夹的大小对文件列表进行排序。
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Args:
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无参数。
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Returns:
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无返回值，直接修改当前实例的文件列表。
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"""
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self.sort_items(
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lambda x: (
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0 if x[1] == "folder" and self.folder_first_var.get() else 1,
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(
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-float(x[0].split()[-2].replace("(", ""))
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if self.size_sort_order
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else float(x[0].split()[-2].replace("(", ""))
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),
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),
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False,
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)
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self.size_sort_order = not self.size_sort_order
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def sort_by_name(self):
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"""
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根据名称对列表进行排序
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Args:
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无
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Returns:
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无返回值，但会改变对象的内部状态
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"""
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self.sort_items(
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lambda x: (
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0 if x[1] == "folder" and self.folder_first_var.get() else 1,
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x[0].lower(),
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),
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self.name_sort_order,
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)
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self.name_sort_order = not self.name_sort_order
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def sort_items(self, key, reverse):
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"""
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对树形控件中的指定目录进行排序。
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Args:
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key (callable): 用于排序的key函数。
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reverse (bool): 是否降序排序。
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Returns:
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None
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"""
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if self.folder_first_var.get():
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selected = self.tree.selection()
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if not selected:
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messagebox.showinfo("提示", "请选择你要排序的目录")
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return
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self.scanner.join()
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self.is_sorting = True
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for parent in selected:
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children = self.tree.get_children(parent)
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folder_items = []
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file_items = []
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for child in children:
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item = (
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self.tree.item(child)["text"],
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self.tree.item(child)["tags"][0],
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child,
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)
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if item[1] == "folder":
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folder_items.append(item)
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else:
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file_items.append(item)
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sorted_items = sorted(folder_items, key=key, reverse=reverse) + sorted(
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file_items, key=key, reverse=reverse
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)
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for item in sorted_items:
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self.tree.detach(item[2])
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for index, item in enumerate(sorted_items):
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self.tree.move(item[2], parent, index)
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else:
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selected = self.tree.selection()
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if not selected:
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messagebox.showinfo("提示", "请选择你要排序的目录")
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return
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self.scanner.join()
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self.is_sorting = True
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for parent in selected:
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children = self.tree.get_children(parent)
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items = [
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(
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self.tree.item(child)["text"],
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self.tree.item(child)["tags"][0],
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child,
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)
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for child in children
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]
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sorted_items = sorted(items, key=key, reverse=reverse)
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for item in sorted_items:
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self.tree.detach(item[2])
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for index, item in enumerate(sorted_items):
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self.tree.move(item[2], parent, index)
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def show_context_menu(self, event):
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"""
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显示上下文菜单
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Args:
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event (tkinter.Event): 鼠标事件对象
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Returns:
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None
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"""
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item = self.tree.identify_row(event.y)
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if item:
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self.tree.selection_set(item)
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menu = tk.Menu(self, tearoff=0)
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menu.add_command(label="打开文件", command=lambda: self.open_item(item))
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menu.add_command(
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label="打开所在目录", command=lambda: self.open_directory(item)
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)
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menu.add_command(
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label="删除文件/目录(放入回收站)",
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command=lambda: self.delete_item(item),
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)
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menu.post(event.x_root, event.y_root)
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def open_item(self, item):
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path = self.tree.item(item, "text").split(" ")[0]
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full_path = os.path.join(self.start_path, path)
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try:
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if os.path.isdir(full_path):
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subprocess.Popen(f'explorer "{os.path.realpath(full_path)}"')
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else:
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os.startfile(full_path)
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except Exception as e:
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messagebox.showerror("错误", f"无法打开 {full_path}\n{e}")
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def open_directory(self, item):
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path = self.tree.item(item, "text").split(" ")[0]
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full_path = os.path.join(self.start_path, path)
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if not os.path.isdir(full_path):
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full_path = os.path.dirname(full_path)
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try:
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subprocess.Popen(f'explorer "{os.path.realpath(full_path)}"')
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except Exception as e:
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messagebox.showerror("错误", f"无法打开 {full_path}\n{e}")
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def delete_item(self, item):
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path = self.tree.item(item, "text").split(" ")[0]
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full_path = os.path.normpath(
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os.path.join(self.start_path, path)
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) # 使用os.path.normpath来规范化路径
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confirm = messagebox.askyesno("提示", f"你确定要删除 {full_path} 吗?")
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if confirm:
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try:
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send2trash.send2trash(full_path)
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self.tree.delete(item)
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except Exception as e:
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messagebox.showerror("错误", f"无法删除 {full_path}\n{e}")
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self.refresh_tree()
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def refresh_tree(self):
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for item in self.tree.get_children():
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self.tree.delete(item)
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self.populate_root()
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self.scanner = FolderScanner(self.start_path, self.queue)
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self.scanner.start()
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def on_close(self):
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self.scanner.join()
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self.destroy()
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def set_window_size(self):
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screen_width = self.winfo_screenwidth()
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screen_height = self.winfo_screenheight()
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window_width = int(screen_width * 0.6)
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window_height = int(screen_height * 0.6)
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self.geometry(
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f"{window_width}x{window_height}+{screen_width//2 - window_width//2}+{screen_height//2 - window_height//2}"
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)
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self.update_font_size()
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def update_font_size(self):
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current_font = self.style.lookup("Treeview", "font")
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font_size = int(current_font.split()[1])
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screen_width = self.winfo_screenwidth()
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new_font_size = int(screen_width / 100)
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if new_font_size != font_size:
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new_font = (current_font.split()[0], new_font_size)
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self.style.configure("Treeview", font=new_font)
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self.style.configure(
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"Treeview.Heading",
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font=(current_font.split()[0], new_font_size + 2, "bold"),
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)
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def sort_root_items(self, by="size"):
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if by == "size":
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self.sort_by_size()
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elif by == "name":
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self.sort_by_name()
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def update_folder_first_var(self):
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if self.folder_first_var.get():
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self.folder_first_var.set(False)
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else:
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self.folder_first_var.set(True)
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if __name__ == "__main__":
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root = tk.Tk()
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root.withdraw()
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start_path = tkinter.filedialog.askdirectory()
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if start_path:
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app = App(start_path)
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app.mainloop()
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else:
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messagebox.showinfo("提示", "没有选中任何目录，程序即将退出")
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root.destroy()
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