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import wx

import requests

from bs4 import BeautifulSoup

import os

import datetime

import random

class DownloadCoverFrame(wx.Frame):

    def __init__(self, parent, title):

        super().__init__(parent, title=title, size=(400, 300))

        self.panel = wx.Panel(self)

        # Save path controls

        save_path_label = wx.StaticText(self.panel, label="封面保存路径:")

        self.save_path_text = wx.TextCtrl(self.panel)

        self.save_path_button = wx.Button(self.panel, label="选择路径")

        self.save_path_button.Bind(wx.EVT_BUTTON, self.on_select_save_path)

        # URL entry controls

        url_label = wx.StaticText(self.panel, label="YouTube 视频 URL:")

        self.url_text = wx.TextCtrl(self.panel)

        add_url_button = wx.Button(self.panel, label="添加 URL")

        add_url_button.Bind(wx.EVT_BUTTON, self.on_add_url_button)

        # URL list control

        url_list_label = wx.StaticText(self.panel, label="URL 列表:")

        self.url_listbox = wx.ListBox(self.panel)

        # Download button

        download_button = wx.Button(self.panel, label="批量下载封面")

        download_button.Bind(wx.EVT_BUTTON, self.on_download_button)

        # Sizer

        sizer = wx.BoxSizer(wx.VERTICAL)

        sizer.Add(save_path_label, 0, wx.ALL, 5)

        sizer.Add(self.save_path_text, 0, wx.ALL | wx.EXPAND, 5)

        sizer.Add(self.save_path_button, 0, wx.ALL | wx.CENTER, 5)

        sizer.Add(url_label, 0, wx.ALL, 5)

        sizer.Add(self.url_text, 0, wx.ALL | wx.EXPAND, 5)

        sizer.Add(add_url_button, 0, wx.ALL | wx.CENTER, 5)

        sizer.Add(url_list_label, 0, wx.ALL, 5)

        sizer.Add(self.url_listbox, 1, wx.ALL | wx.EXPAND, 5)

        sizer.Add(download_button, 0, wx.ALL | wx.CENTER, 5)

        self.panel.SetSizer(sizer)

    def on_select_save_path(self, event):

        dialog = wx.DirDialog(self.panel, "选择封面保存路径")

        if dialog.ShowModal() == wx.ID_OK:

            save_path = dialog.GetPath()

            self.save_path_text.SetValue(save_path)

        dialog.Destroy()

    def on_add_url_button(self, event):

        url = self.url_text.GetValue().strip()

        if url:

            self.url_listbox.Append(url)

            self.url_text.Clear()

    def on_download_button(self, event):

        save_path = self.save_path_text.GetValue()

        if not os.path.exists(save_path):

            wx.MessageBox("保存路径不存在", "错误", wx.OK | wx.ICON_ERROR)

            return

        urls = self.url_listbox.GetStrings()

        if not urls:

            wx.MessageBox("URL 列表为空", "错误", wx.OK | wx.ICON_ERROR)

            return

        try:

            # current_time = datetime.datetime.now().strftime("%Y%m%d%H%M%S%f")

            for url in urls:

                response = requests.get(url)

                soup = BeautifulSoup(response.content, "html.parser")

                cover_url = soup.find("meta", property="og:image")["content"]

                current_time = datetime.datetime.now().strftime("%Y%m%d%H%M%S") + str(random.randint(100, 999))

                filename = os.path.join(save_path, f"{current_time}.jpg")

                with open(filename, "wb") as f:

                    f.write(requests.get(cover_url).content)

            wx.MessageBox("封面已批量下载到指定路径", "成功", wx.OK | wx.ICON_INFORMATION)

        except Exception as e:

            wx.MessageBox(f"下载封面失败：{e}", "错误", wx.OK | wx.ICON_ERROR)

if __name__ == "__main__":

    app = wx.App()

    frame = DownloadCoverFrame(None, "YouTube 视频封面下载器")

    frame.Show()

    app.MainLoop()