[minor] 新增自动更新功能 模块Test

update_dialog.py

@@ -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_())
+