[minor] 新增自动更新功能 模块Test

This commit is contained in:
2025-10-28 15:59:18 +08:00
parent 3d155fb097
commit bd363d0e33
4 changed files with 828 additions and 21 deletions

311
auto_updater.py Normal file
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@@ -0,0 +1,311 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
自动更新模块 - 支持后台下载、静默安装和自动重启
优化版:带重试、超时、自动重启功能
"""
import os
import sys
import subprocess
import urllib.request
import tempfile
import time
import socket
from pathlib import Path
from PyQt5.QtCore import QThread, pyqtSignal
class UpdateDownloader(QThread):
"""
优化版更新下载器线程
特性:
- 自动重试3次
- 30秒网络超时
- 文件大小验证
- 进度实时更新
"""
# 信号定义
progress = pyqtSignal(int, int) # (已下载字节, 总字节)
finished = pyqtSignal(str) # 下载完成,返回文件路径
error = pyqtSignal(str) # 下载失败,返回错误信息
retry_info = pyqtSignal(int, int) # 重试信息 (当前重试次数, 总重试次数)
def __init__(self, download_url, version, max_retries=3):
super().__init__()
self.download_url = download_url
self.version = version
self.max_retries = max_retries # 最大重试次数
self.is_cancelled = False
def run(self):
"""执行下载(带重试机制)"""
for attempt in range(self.max_retries):
try:
if attempt > 0:
# 显示重试信息
self.retry_info.emit(attempt + 1, self.max_retries)
time.sleep(2) # 等待2秒后重试
# 执行实际下载
self._download_file()
return # 下载成功,退出
except Exception as e:
error_msg = str(e)
print(f"[UpdateDownloader] 下载失败 (尝试 {attempt + 1}/{self.max_retries}): {error_msg}")
if self.is_cancelled:
# 用户取消,立即退出
self.error.emit("下载已取消")
return
if attempt < self.max_retries - 1:
# 还有重试机会,继续
continue
else:
# 所有重试都失败了
self.error.emit(f"下载失败(已重试{self.max_retries}次)\n错误: {error_msg}")
def _download_file(self):
"""实际下载逻辑(带超时和验证)"""
# 设置网络超时
socket.setdefaulttimeout(30) # 30秒超时
# 准备临时目录和文件名
temp_dir = tempfile.gettempdir()
filename = f"ShuiDi_AI_Assistant_Setup_v{self.version}.exe"
file_path = os.path.join(temp_dir, filename)
print(f"[UpdateDownloader] 开始下载到: {file_path}")
print(f"[UpdateDownloader] 下载地址: {self.download_url}")
# 删除旧文件(如果存在)
if os.path.exists(file_path):
try:
os.remove(file_path)
print(f"[UpdateDownloader] 已删除旧文件")
except Exception as e:
print(f"[UpdateDownloader] 删除旧文件失败: {e}")
# 下载文件(带进度回调)
def progress_callback(block_num, block_size, total_size):
if self.is_cancelled:
raise Exception("用户取消下载")
downloaded = block_num * block_size
# 避免超过总大小
if total_size > 0 and downloaded > total_size:
downloaded = total_size
self.progress.emit(downloaded, total_size)
# 执行下载
urllib.request.urlretrieve(
self.download_url,
file_path,
reporthook=progress_callback
)
# 验证下载的文件
if not os.path.exists(file_path):
raise Exception("下载的文件不存在")
file_size = os.path.getsize(file_path)
print(f"[UpdateDownloader] 下载完成,文件大小: {file_size / (1024*1024):.2f} MB")
# 验证文件大小至少1MB避免下载了错误页面
min_file_size = 1024 * 1024 # 1MB正式环境
# 🧪 测试小文件时可以临时改为min_file_size = 10 * 1024 # 10KB
if file_size < min_file_size:
raise Exception(f"下载的文件大小异常: {file_size} bytes可能不是有效的安装包")
# 发送完成信号
self.finished.emit(file_path)
def cancel(self):
"""取消下载"""
print("[UpdateDownloader] 用户取消下载")
self.is_cancelled = True
def install_update_and_restart(installer_path):
"""
启动静默安装并自动重启程序
工作流程:
1. 启动NSIS安装包静默模式
2. 启动重启启动器(等待安装完成后重启)
3. 当前程序退出
Args:
installer_path: 安装包路径
Returns:
bool: 是否成功启动安装
"""
try:
# 获取当前程序信息
if getattr(sys, 'frozen', False):
# 打包后的exe
current_exe = sys.executable
current_dir = os.path.dirname(current_exe)
exe_name = os.path.basename(current_exe)
else:
# 开发环境
current_exe = os.path.abspath("main.py")
current_dir = os.getcwd()
exe_name = "main.exe"
print(f"[Updater] 当前程序: {current_exe}")
print(f"[Updater] 安装目录: {current_dir}")
print(f"[Updater] 主程序名: {exe_name}")
# 创建重启启动器脚本
restart_script_path = create_restart_launcher(current_dir, exe_name)
# 启动NSIS安装包
# 参数说明:
# /S - 静默安装
# /D=目录 - 指定安装目录(必须是最后一个参数)
install_cmd = [
installer_path,
'/S', # 静默安装
f'/D={current_dir}' # 安装到当前目录(覆盖)
]
print(f"[Updater] 启动安装命令: {' '.join(install_cmd)}")
# 启动安装进程(独立进程,不受父进程影响)
subprocess.Popen(
install_cmd,
creationflags=subprocess.CREATE_NO_WINDOW | subprocess.DETACHED_PROCESS,
close_fds=True
)
print(f"[Updater] ✅ 安装包已启动")
# 同时启动重启启动器延迟15秒启动确保安装完成
subprocess.Popen(
['cmd', '/c', restart_script_path],
creationflags=subprocess.CREATE_NO_WINDOW | subprocess.DETACHED_PROCESS,
close_fds=True
)
print(f"[Updater] ✅ 重启启动器已启动")
return True
except Exception as e:
print(f"[Updater] ❌ 启动安装失败: {e}")
import traceback
traceback.print_exc()
return False
def create_restart_launcher(install_dir, exe_name):
"""
创建重启启动器脚本
该脚本会:
1. 等待当前GUI进程退出
2. 等待NSIS安装完成15秒
3. 启动新版本GUI
4. 自我删除
Args:
install_dir: 安装目录
exe_name: 主程序文件名
Returns:
str: 脚本路径
"""
script_path = os.path.join(tempfile.gettempdir(), "shuidrop_restart_launcher.bat")
# 构建批处理脚本
script_content = f"""@echo off
chcp 65001 > nul
title 水滴AI客服智能助手 - 更新助手
echo [%time%] 正在更新水滴AI客服智能助手...
echo.
REM 等待主程序退出最多等待10秒
echo [%time%] 等待主程序退出...
set count=0
:wait_main_exit
tasklist /FI "IMAGENAME eq {exe_name}" 2>NUL | find /I "{exe_name}" >NUL
if NOT ERRORLEVEL 1 (
if %count% LSS 10 (
timeout /t 1 /nobreak > nul
set /a count+=1
goto wait_main_exit
)
)
echo [%time%] 主程序已退出
REM 等待安装完成15秒
echo [%time%] 等待安装完成...
timeout /t 15 /nobreak > nul
REM 清理旧的安装包
echo [%time%] 清理临时文件...
del /f /q "%TEMP%\\ShuiDi_AI_Assistant_Setup_*.exe" 2>nul
REM 启动新版本程序
echo [%time%] 正在启动新版本...
cd /d "{install_dir}"
if exist "{exe_name}" (
start "" "{install_dir}\\{exe_name}"
echo [%time%] ✅ 程序已启动
) else (
echo [%time%] ❌ 错误: 找不到程序文件 {exe_name}
pause
)
REM 延迟后删除自己
timeout /t 2 /nobreak > nul
del /f /q "%~f0" 2>nul
exit
"""
# 写入脚本文件UTF-8 BOM编码避免中文乱码
try:
with open(script_path, 'w', encoding='utf-8-sig') as f:
f.write(script_content)
print(f"[Updater] 重启启动器已创建: {script_path}")
except Exception as e:
print(f"[Updater] 创建重启启动器失败: {e}")
return script_path
# 兼容性函数(保留旧接口)
def install_update_silently(installer_path):
"""
启动静默安装(不自动重启)
兼容旧接口,建议使用 install_update_and_restart
"""
return install_update_and_restart(installer_path)
if __name__ == "__main__":
# 测试代码
print("自动更新模块测试")
print("=" * 50)
# 测试重启启动器创建
script_path = create_restart_launcher("C:\\Program Files\\ShuiDi AI Assistant", "main.exe")
print(f"测试脚本路径: {script_path}")
if os.path.exists(script_path):
print("✅ 重启启动器创建成功")
with open(script_path, 'r', encoding='utf-8-sig') as f:
print("\n脚本内容预览:")
print("-" * 50)
print(f.read())
else:
print("❌ 重启启动器创建失败")

219
main.py
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@@ -1324,13 +1324,11 @@ class LoginWindow(QMainWindow):
return ""
def trigger_update(self, download_url, latest_version):
"""触发更新下载(不阻塞主程序"""
import webbrowser
import threading
"""触发更新下载(支持自动更新和手动下载"""
try:
# 检查下载地址是否有效
if not download_url or download_url.strip() == "":
self.add_log("⚠️ 下载地址为空,无法打开更新页面", "WARNING")
self.add_log("⚠️ 下载地址为空,无法更新", "WARNING")
QMessageBox.warning(
self,
"下载地址缺失",
@@ -1339,6 +1337,98 @@ class LoginWindow(QMainWindow):
)
return
# 获取更新内容
update_content = self._get_update_content(latest_version)
if update_content:
content_preview = update_content[:100] + "..." if len(update_content) > 100 else update_content
else:
content_preview = "(暂无更新说明)"
# 🔥 新增:弹出三选一对话框(自动更新/手动下载/取消)
msg_box = QMessageBox(self)
msg_box.setWindowTitle("版本更新")
msg_box.setText(f"发现新版本 v{latest_version},是否更新?")
msg_box.setInformativeText(
f"更新内容:\n{content_preview}\n\n"
f"推荐使用「自动更新」,程序将自动下载并安装新版本。"
)
msg_box.setIcon(QMessageBox.Information)
# 添加三个按钮
auto_button = msg_box.addButton("自动更新", QMessageBox.YesRole)
manual_button = msg_box.addButton("手动下载", QMessageBox.NoRole)
cancel_button = msg_box.addButton("取消", QMessageBox.RejectRole)
msg_box.setDefaultButton(auto_button)
msg_box.exec_()
clicked_button = msg_box.clickedButton()
if clicked_button == auto_button:
# 🔥 自动更新:下载并安装
self.add_log("用户选择自动更新", "INFO")
self.start_auto_update(download_url, latest_version)
elif clicked_button == manual_button:
# 🔥 手动下载:打开浏览器
self.add_log("用户选择手动下载", "INFO")
self.start_manual_download(download_url, latest_version)
else:
# 取消更新
self.add_log("用户取消更新", "INFO")
except Exception as e:
self.add_log(f"更新失败: {e}", "ERROR")
import traceback
self.add_log(f"详细错误: {traceback.format_exc()}", "ERROR")
def start_auto_update(self, download_url, latest_version):
"""启动自动更新流程(下载 → 安装 → 重启)"""
try:
self.add_log("🚀 启动自动更新流程", "INFO")
# 导入自动更新模块
from update_dialog import UpdateProgressDialog
from auto_updater import UpdateDownloader
# 创建进度对话框
progress_dialog = UpdateProgressDialog(latest_version, self)
# 创建下载线程
downloader = UpdateDownloader(download_url, latest_version, max_retries=3)
progress_dialog.downloader = downloader
# 连接信号
downloader.progress.connect(progress_dialog.update_progress)
downloader.retry_info.connect(progress_dialog.show_retry_info)
downloader.finished.connect(lambda path: self.on_download_finished(path, progress_dialog))
downloader.error.connect(lambda err: self.on_download_error(err, progress_dialog, download_url, latest_version))
# 开始下载
self.add_log(f"📥 开始下载: {download_url}", "INFO")
downloader.start()
progress_dialog.exec_()
except Exception as e:
self.add_log(f"启动自动更新失败: {e}", "ERROR")
import traceback
self.add_log(f"详细错误: {traceback.format_exc()}", "ERROR")
# 失败后降级到手动下载
reply = QMessageBox.critical(
self,
"自动更新失败",
f"自动更新启动失败: {str(e)}\n\n是否改为手动下载?",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.Yes
)
if reply == QMessageBox.Yes:
self.start_manual_download(download_url, latest_version)
def start_manual_download(self, download_url, latest_version):
"""启动手动下载(打开浏览器)"""
import webbrowser
import threading
# 明确提示用户即将下载
reply = QMessageBox.information(
self,
@@ -1354,12 +1444,12 @@ class LoginWindow(QMainWindow):
)
if reply == QMessageBox.Cancel:
self.add_log("用户取消下载", "INFO")
self.add_log("用户取消手动下载", "INFO")
return
self.add_log(f"📂 准备打开下载页面: {download_url}", "INFO")
# 在独立线程中打开浏览器确保不阻塞GUI主线程
# 在独立线程中打开浏览器
def open_browser_thread():
try:
webbrowser.open(download_url)
@@ -1370,7 +1460,120 @@ class LoginWindow(QMainWindow):
thread = threading.Thread(target=open_browser_thread, daemon=True)
thread.start()
self.add_log("✅ 已启动下载,程序继续运行", "INFO")
self.add_log("✅ 已启动手动下载", "INFO")
def on_download_finished(self, installer_path, progress_dialog):
"""下载完成后的处理"""
try:
self.add_log(f"✅ 下载完成: {installer_path}", "SUCCESS")
# 更新进度对话框状态
progress_dialog.download_finished(installer_path)
# 延迟1秒让用户看到"下载完成"提示
QTimer.singleShot(1000, lambda: self.prepare_install(installer_path, progress_dialog))
except Exception as e:
self.add_log(f"处理下载完成事件失败: {e}", "ERROR")
def prepare_install(self, installer_path, progress_dialog):
"""准备安装"""
try:
# 关闭进度对话框
progress_dialog.accept()
# 提示即将安装
reply = QMessageBox.information(
self,
"准备安装",
"新版本下载完成!\n\n"
"程序将自动退出并安装新版本,\n"
"安装完成后会自动重启。\n\n"
"是否立即安装?",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.Yes
)
if reply == QMessageBox.Yes:
from auto_updater import install_update_and_restart
# 启动静默安装(带自动重启)
if install_update_and_restart(installer_path):
self.add_log("✅ 更新安装已启动,程序即将退出", "SUCCESS")
self.add_log("程序将在安装完成后自动重启", "INFO")
# 显示提示
QMessageBox.information(
self,
"正在更新",
"程序即将退出并开始安装。\n\n"
"安装完成后会自动重启,请稍候...",
QMessageBox.Ok
)
# 延迟1秒后退出让用户看到提示
QTimer.singleShot(1000, self.quit_for_update)
else:
self.add_log("❌ 启动安装失败", "ERROR")
QMessageBox.critical(
self,
"安装失败",
"无法启动安装程序,请手动运行安装包:\n\n" + installer_path,
QMessageBox.Ok
)
else:
self.add_log("用户取消安装", "INFO")
QMessageBox.information(
self,
"安装包已保存",
f"安装包已保存到:\n{installer_path}\n\n您可以稍后手动运行安装。",
QMessageBox.Ok
)
except Exception as e:
self.add_log(f"准备安装失败: {e}", "ERROR")
import traceback
self.add_log(f"详细错误: {traceback.format_exc()}", "ERROR")
def on_download_error(self, error_msg, progress_dialog, download_url, latest_version):
"""下载失败处理"""
try:
self.add_log(f"❌ 下载失败: {error_msg}", "ERROR")
# 更新进度对话框状态
progress_dialog.download_error(error_msg)
# 延迟2秒后显示降级选项
QTimer.singleShot(2000, lambda: self.handle_download_failure(progress_dialog, download_url, latest_version, error_msg))
except Exception as e:
self.add_log(f"处理下载失败事件异常: {e}", "ERROR")
def handle_download_failure(self, progress_dialog, download_url, latest_version, error_msg):
"""处理下载失败,提供降级选项"""
try:
# 关闭进度对话框
progress_dialog.reject()
# 提示用户选择手动下载
reply = QMessageBox.critical(
self,
"自动下载失败",
f"自动下载失败:\n{error_msg}\n\n是否改为手动下载?",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.Yes
)
if reply == QMessageBox.Yes:
self.start_manual_download(download_url, latest_version)
except Exception as e:
self.add_log(f"处理下载失败异常: {e}", "ERROR")
def quit_for_update(self):
"""为更新而退出程序"""
self.add_log("正在退出程序以进行更新...", "INFO")
self.quit_application()
def main():

View File

@@ -60,6 +60,9 @@ def build_with_command():
'--add-data=config.py;.',
'--add-data=exe_file_logger.py;.',
'--add-data=windows_taskbar_fix.py;.',
'--add-data=auto_updater.py;.',
'--add-data=update_dialog.py;.',
'--add-data=version_checker.py;.',
'--add-data=Utils/PythonNew32;Utils/PythonNew32',
'--add-data=Utils/JD;Utils/JD',
'--add-data=Utils/Dy;Utils/Dy',

290
update_dialog.py Normal file
View File

@@ -0,0 +1,290 @@
#!/usr/bin/env python3
# -*- coding: utf-8 -*-
"""
更新进度对话框
显示下载进度、重试信息和状态提示
"""
from PyQt5.QtWidgets import (QDialog, QVBoxLayout, QLabel,
QPushButton, QProgressBar, QHBoxLayout)
from PyQt5.QtCore import Qt
from PyQt5.QtGui import QFont
class UpdateProgressDialog(QDialog):
"""
更新下载进度对话框
特性:
- 实时显示下载进度
- 显示重试状态
- 支持用户取消
- 现代化UI设计
"""
def __init__(self, version, parent=None):
super().__init__(parent)
self.version = version
self.downloader = None
self.init_ui()
def init_ui(self):
"""初始化UI"""
self.setWindowTitle("正在更新")
self.setFixedWidth(450)
# 禁止关闭按钮(只能通过取消按钮关闭)
self.setWindowFlags(Qt.Dialog | Qt.WindowTitleHint | Qt.CustomizeWindowHint)
layout = QVBoxLayout()
layout.setSpacing(15)
layout.setContentsMargins(25, 20, 25, 20)
# 标题
self.title_label = QLabel(f"正在下载 v{self.version}")
self.title_label.setFont(QFont('Microsoft YaHei', 12, QFont.Bold))
self.title_label.setAlignment(Qt.AlignCenter)
layout.addWidget(self.title_label)
# 进度条
self.progress_bar = QProgressBar()
self.progress_bar.setMinimum(0)
self.progress_bar.setMaximum(100)
self.progress_bar.setValue(0)
self.progress_bar.setTextVisible(True)
self.progress_bar.setFormat("%p%")
layout.addWidget(self.progress_bar)
# 状态文本
self.status_label = QLabel("准备下载...")
self.status_label.setAlignment(Qt.AlignCenter)
self.status_label.setStyleSheet("color: #666; font-size: 10px;")
self.status_label.setMinimumHeight(20)
layout.addWidget(self.status_label)
# 重试信息标签(默认隐藏)
self.retry_label = QLabel("")
self.retry_label.setAlignment(Qt.AlignCenter)
self.retry_label.setStyleSheet("color: #ff9800; font-size: 10px; font-weight: bold;")
self.retry_label.setMinimumHeight(20)
self.retry_label.hide()
layout.addWidget(self.retry_label)
# 按钮布局
button_layout = QHBoxLayout()
button_layout.addStretch()
self.cancel_button = QPushButton("取消")
self.cancel_button.setFixedWidth(100)
self.cancel_button.clicked.connect(self.cancel_download)
button_layout.addWidget(self.cancel_button)
button_layout.addStretch()
layout.addLayout(button_layout)
self.setLayout(layout)
# 应用样式
self.apply_styles()
def apply_styles(self):
"""应用现代化样式"""
self.setStyleSheet("""
QDialog {
background: qlineargradient(
x1:0, y1:0, x2:0, y2:1,
stop:0 #f8fafb,
stop:1 #e8ecef
);
}
QLabel {
background: transparent;
}
QProgressBar {
border: 2px solid #ddd;
border-radius: 8px;
text-align: center;
height: 28px;
background: white;
font-size: 11px;
font-weight: bold;
}
QProgressBar::chunk {
background: qlineargradient(x1:0, y1:0, x2:1, y2:0,
stop:0 #4285f4,
stop:0.5 #1976d2,
stop:1 #1565c0);
border-radius: 6px;
}
QPushButton {
background: qlineargradient(
x1:0, y1:0, x2:0, y2:1,
stop:0 #f5f5f5,
stop:1 #e0e0e0
);
border: 1px solid #ccc;
border-radius: 6px;
padding: 8px 20px;
font-size: 11px;
font-family: 'Microsoft YaHei';
}
QPushButton:hover {
background: qlineargradient(
x1:0, y1:0, x2:0, y2:1,
stop:0 #e8e8e8,
stop:1 #d0d0d0
);
border: 1px solid #999;
}
QPushButton:pressed {
background: #d0d0d0;
}
""")
def update_progress(self, downloaded, total):
"""
更新下载进度
Args:
downloaded: 已下载字节数
total: 总字节数
"""
if total > 0:
# 计算百分比
progress = int((downloaded / total) * 100)
self.progress_bar.setValue(progress)
# 转换为MB显示
downloaded_mb = downloaded / (1024 * 1024)
total_mb = total / (1024 * 1024)
# 更新状态文本
self.status_label.setText(f"已下载 {downloaded_mb:.1f} MB / {total_mb:.1f} MB")
# 更新进度条格式
self.progress_bar.setFormat(f"%p% ({downloaded_mb:.1f}/{total_mb:.1f} MB)")
else:
# 无法获取总大小时显示不确定进度
self.progress_bar.setMaximum(0)
self.progress_bar.setFormat("正在下载...")
self.status_label.setText("正在下载,请稍候...")
def show_retry_info(self, current_retry, max_retries):
"""
显示重试信息
Args:
current_retry: 当前重试次数
max_retries: 最大重试次数
"""
self.retry_label.setText(f"⚠️ 下载失败,正在重试... ({current_retry}/{max_retries})")
self.retry_label.show()
# 重置进度条
self.progress_bar.setValue(0)
self.status_label.setText("等待重试...")
# 更新标题
self.title_label.setText(f"正在重试下载 v{self.version}")
def download_finished(self, file_path):
"""
下载完成
Args:
file_path: 下载的文件路径
"""
self.title_label.setText(f"✅ 下载完成 v{self.version}")
self.status_label.setText("下载完成,正在准备安装...")
self.status_label.setStyleSheet("color: #28a745; font-size: 10px; font-weight: bold;")
self.progress_bar.setValue(100)
self.progress_bar.setFormat("100% (完成)")
self.cancel_button.setEnabled(False)
self.retry_label.hide()
def download_error(self, error_msg):
"""
下载失败
Args:
error_msg: 错误信息
"""
self.title_label.setText(f"❌ 下载失败")
# 错误信息截断(避免太长)
if len(error_msg) > 80:
display_msg = error_msg[:80] + "..."
else:
display_msg = error_msg
self.status_label.setText(display_msg)
self.status_label.setStyleSheet("color: #dc3545; font-size: 10px; font-weight: bold;")
self.cancel_button.setText("关闭")
self.retry_label.hide()
# 进度条变红
self.progress_bar.setStyleSheet("""
QProgressBar {
border: 2px solid #dc3545;
border-radius: 8px;
text-align: center;
height: 28px;
background: white;
}
QProgressBar::chunk {
background: #dc3545;
border-radius: 6px;
}
""")
def cancel_download(self):
"""取消下载"""
if self.downloader and self.downloader.isRunning():
# 确认取消
from PyQt5.QtWidgets import QMessageBox
reply = QMessageBox.question(
self,
"确认取消",
"确定要取消下载吗?",
QMessageBox.Yes | QMessageBox.No,
QMessageBox.No
)
if reply == QMessageBox.Yes:
self.downloader.cancel()
self.downloader.wait()
self.status_label.setText("下载已取消")
self.reject()
else:
# 下载已完成或出错,直接关闭
self.reject()
if __name__ == "__main__":
# 测试代码
import sys
from PyQt5.QtWidgets import QApplication
app = QApplication(sys.argv)
# 创建测试对话框
dialog = UpdateProgressDialog("1.5.53")
# 模拟下载进度
dialog.show()
# 测试进度更新
import time
from PyQt5.QtCore import QTimer
def test_progress():
for i in range(0, 101, 10):
dialog.update_progress(i * 1024 * 1024, 100 * 1024 * 1024)
QApplication.processEvents()
time.sleep(0.2)
dialog.download_finished("/tmp/test.exe")
QTimer.singleShot(500, test_progress)
sys.exit(app.exec_())