import os import requests import json from collections import deque from urllib.parse import urlparse from PySide6 import QtWidgets from PySide6.QtCore import Qt from utils import msgbox_frame, HostsManager from data.config import APP_NAME, PLUGIN, GAME_INFO, UA, CONFIG_URL from workers import IpOptimizerThread class DownloadManager: def __init__(self, main_window): """初始化下载管理器 Args: main_window: 主窗口实例，用于访问UI和状态 """ self.main_window = main_window self.selected_folder = "" self.download_queue = deque() self.current_download_thread = None self.hosts_manager = HostsManager() self.optimized_ip = None self.optimization_done = False # 标记是否已执行过优选 self.optimizing_msg_box = None def file_dialog(self): """显示文件夹选择对话框，选择游戏安装目录""" self.selected_folder = QtWidgets.QFileDialog.getExistingDirectory( self.main_window, f"选择游戏所在【上级目录】 {APP_NAME}" ) if not self.selected_folder: QtWidgets.QMessageBox.warning( self.main_window, f"通知 - {APP_NAME}", "\n未选择任何目录,请重新选择\n" ) return self.download_action() def get_install_paths(self): """获取所有游戏版本的安装路径""" return { game: os.path.join(self.selected_folder, info["install_path"]) for game, info in GAME_INFO.items() } def is_debug_mode(self): """检查是否处于调试模式""" if hasattr(self.main_window, 'ui_manager') and self.main_window.ui_manager: if hasattr(self.main_window.ui_manager, 'debug_action') and self.main_window.ui_manager.debug_action: return self.main_window.ui_manager.debug_action.isChecked() return False def get_download_url(self) -> dict: """获取所有游戏版本的下载链接 Returns: dict: 包含游戏版本和下载URL的字典 """ try: if self.main_window.cloud_config: if self.is_debug_mode(): print("--- Using pre-fetched cloud config ---") config_data = self.main_window.cloud_config else: # 如果没有预加载的配置，则同步获取 headers = {"User-Agent": UA} response = requests.get(CONFIG_URL, headers=headers, timeout=10) response.raise_for_status() config_data = response.json() if not config_data: raise ValueError("未能获取或解析配置数据") if self.is_debug_mode(): print(f"DEBUG: Parsed JSON data: {json.dumps(config_data, indent=2)}") # 统一处理URL提取，确保返回扁平化的字典 urls = {} for i in range(4): key = f"vol.{i+1}.data" if key in config_data and "url" in config_data[key]: urls[f"vol{i+1}"] = config_data[key]["url"] if "after.data" in config_data and "url" in config_data["after.data"]: urls["after"] = config_data["after.data"]["url"] # 检查是否成功提取了所有URL if len(urls) != 5: missing_keys_map = { f"vol{i+1}": f"vol.{i+1}.data" for i in range(4) } missing_keys_map["after"] = "after.data" extracted_keys = set(urls.keys()) all_keys = set(missing_keys_map.keys()) missing_simple_keys = all_keys - extracted_keys missing_original_keys = [missing_keys_map[k] for k in missing_simple_keys] raise ValueError(f"配置文件缺少必要的键: {', '.join(missing_original_keys)}") if self.is_debug_mode(): print(f"DEBUG: Extracted URLs: {urls}") print("--- Finished getting download URL successfully ---") return urls except requests.exceptions.RequestException as e: status_code = e.response.status_code if e.response is not None else "未知" try: error_response = e.response.json() if e.response else {} json_title = error_response.get("title", "无错误类型") json_message = error_response.get("message", "无附加错误信息") except (ValueError, AttributeError): json_title = "配置文件异常，无法解析错误类型" json_message = "配置文件异常，无法解析错误信息" if self.is_debug_mode(): print(f"ERROR: Failed to get download config due to RequestException: {e}") QtWidgets.QMessageBox.critical( self.main_window, f"错误 - {APP_NAME}", f"\n下载配置获取失败\n\n【HTTP状态】：{status_code}\n【错误类型】：{json_title}\n【错误信息】：{json_message}\n", ) return {} except ValueError as e: if self.is_debug_mode(): print(f"ERROR: Failed to parse download config due to ValueError: {e}") QtWidgets.QMessageBox.critical( self.main_window, f"错误 - {APP_NAME}", f"\n配置文件格式异常\n\n【错误信息】：{e}\n", ) return {} def download_action(self): """开始下载流程""" # 禁用开始安装按钮 self.main_window.ui.start_install_btn.setEnabled(False) # 显示哈希检查窗口 self.main_window.hash_msg_box = self.main_window.hash_manager.hash_pop_window() # 执行预检查 install_paths = self.get_install_paths() self.main_window.hash_thread = self.main_window.create_hash_thread("pre", install_paths) self.main_window.hash_thread.pre_finished.connect(self.on_pre_hash_finished) self.main_window.hash_thread.start() def on_pre_hash_finished(self, updated_status): """哈希预检查完成后的处理 Args: updated_status: 更新后的安装状态 """ self.main_window.installed_status = updated_status if self.main_window.hash_msg_box and self.main_window.hash_msg_box.isVisible(): self.main_window.hash_msg_box.accept() self.main_window.hash_msg_box = None # 获取下载配置 config = self.get_download_url() if not config: QtWidgets.QMessageBox.critical( self.main_window, f"错误 - {APP_NAME}", "\n网络状态异常或服务器故障，请重试\n" ) # 重新启用开始安装按钮 self.main_window.ui.start_install_btn.setEnabled(True) return # 填充下载队列 self._fill_download_queue(config) # 如果没有需要下载的内容，直接进行最终校验 if not self.download_queue: self.main_window.after_hash_compare() return # 只有当有需要下载内容时才询问是否使用Cloudflare加速 # 询问用户是否使用Cloudflare加速 msg_box = QtWidgets.QMessageBox(self.main_window) msg_box.setWindowTitle(f"下载优化 - {APP_NAME}") msg_box.setText("是否愿意通过Cloudflare加速来优化下载速度？\n\n这将临时修改系统的hosts文件，并需要管理员权限。") msg_box.setIcon(QtWidgets.QMessageBox.Icon.Question) yes_button = msg_box.addButton("是，开启加速", QtWidgets.QMessageBox.ButtonRole.YesRole) no_button = msg_box.addButton("否，直接下载", QtWidgets.QMessageBox.ButtonRole.NoRole) msg_box.exec() use_optimization = msg_box.clickedButton() == yes_button if use_optimization and not self.optimization_done: first_url = self.download_queue[0][0] self._start_ip_optimization(first_url) else: # 如果用户选择不优化，或已经优化过，直接开始下载 self.next_download_task() def _fill_download_queue(self, config): """填充下载队列 Args: config: 包含下载URL的配置字典 """ # 清空现有队列 self.download_queue.clear() # 添加nekopara 1-4 for i in range(1, 5): game_version = f"NEKOPARA Vol.{i}" if not self.main_window.installed_status.get(game_version, False): url = config.get(f"vol{i}") if not url: continue game_folder = os.path.join(self.selected_folder, f"NEKOPARA Vol. {i}") _7z_path = os.path.join(PLUGIN, f"vol.{i}.7z") plugin_path = os.path.join(PLUGIN, GAME_INFO[game_version]["plugin_path"]) self.download_queue.append((url, game_folder, game_version, _7z_path, plugin_path)) # 添加nekopara after game_version = "NEKOPARA After" if not self.main_window.installed_status.get(game_version, False): url = config.get("after") if url: game_folder = os.path.join(self.selected_folder, "NEKOPARA After") _7z_path = os.path.join(PLUGIN, "after.7z") plugin_path = os.path.join(PLUGIN, GAME_INFO[game_version]["plugin_path"]) self.download_queue.append((url, game_folder, game_version, _7z_path, plugin_path)) def _start_ip_optimization(self, url): """开始IP优化过程 Args: url: 用于优化的URL """ # 禁用退出按钮 self.main_window.ui.exit_btn.setEnabled(False) self.optimizing_msg_box = msgbox_frame( f"通知 - {APP_NAME}", "\n正在优选Cloudflare IP，请稍候...\n\n这可能需要5-10分钟，请耐心等待喵~" ) # 我们不再提供"跳过"按钮 self.optimizing_msg_box.setStandardButtons(QtWidgets.QMessageBox.StandardButton.NoButton) self.optimizing_msg_box.setWindowModality(Qt.WindowModality.ApplicationModal) self.optimizing_msg_box.open() # 创建并启动优化线程 self.ip_optimizer_thread = IpOptimizerThread(url) self.ip_optimizer_thread.finished.connect(self.on_optimization_finished) self.ip_optimizer_thread.start() def on_optimization_finished(self, ip): """IP优化完成后的处理 Args: ip: 优选的IP地址，如果失败则为空字符串 """ self.optimized_ip = ip self.optimization_done = True # 关闭提示框 if hasattr(self, 'optimizing_msg_box') and self.optimizing_msg_box: if self.optimizing_msg_box.isVisible(): self.optimizing_msg_box.accept() self.optimizing_msg_box = None # 显示优选结果 if not ip: QtWidgets.QMessageBox.warning( self.main_window, f"优选失败 - {APP_NAME}", "\n未能找到合适的Cloudflare IP，将使用默认网络进行下载。\n" ) else: # 应用优选IP到hosts文件 if self.download_queue: first_url = self.download_queue[0][0] hostname = urlparse(first_url).hostname # 先清理可能存在的旧记录 self.hosts_manager.clean_hostname_entries(hostname) if self.hosts_manager.apply_ip(hostname, ip): QtWidgets.QMessageBox.information( self.main_window, f"成功 - {APP_NAME}", f"\n已将优选IP ({ip}) 应用到hosts文件。\n" ) else: QtWidgets.QMessageBox.critical( self.main_window, f"错误 - {APP_NAME}", "\n修改hosts文件失败，请检查程序是否以管理员权限运行。\n" ) # 开始下载 self.next_download_task() def next_download_task(self): """处理下载队列中的下一个任务""" if not self.download_queue: self.main_window.after_hash_compare() return # 检查下载线程是否仍在运行，以避免在手动停止后立即开始下一个任务 if self.current_download_thread and self.current_download_thread.isRunning(): return # 获取下一个下载任务并开始 url, game_folder, game_version, _7z_path, plugin_path = self.download_queue.popleft() self.download_setting(url, game_folder, game_version, _7z_path, plugin_path) def download_setting(self, url, game_folder, game_version, _7z_path, plugin_path): """准备下载特定游戏版本 Args: url: 下载URL game_folder: 游戏文件夹路径 game_version: 游戏版本名称 _7z_path: 7z文件保存路径 plugin_path: 插件路径 """ game_exe = { game: os.path.join( self.selected_folder, info["install_path"].split("/")[0], info["exe"] ) for game, info in GAME_INFO.items() } # 检查游戏是否已安装 if ( game_version not in game_exe or not os.path.exists(game_exe[game_version]) or self.main_window.installed_status[game_version] ): self.main_window.installed_status[game_version] = False self.main_window.show_result() return # 创建进度窗口并开始下载 self.main_window.progress_window = self.main_window.create_progress_window() self.start_download(url, _7z_path, game_version, game_folder, plugin_path) def start_download(self, url, _7z_path, game_version, game_folder, plugin_path): """启动下载线程 Args: url: 下载URL _7z_path: 7z文件保存路径 game_version: 游戏版本名称 game_folder: 游戏文件夹路径 plugin_path: 插件路径 """ # 禁用退出按钮 self.main_window.ui.exit_btn.setEnabled(False) if self.optimized_ip: print(f"已为 {game_version} 获取到优选IP: {self.optimized_ip}") else: print(f"未能为 {game_version} 获取优选IP，将使用默认线路。") # 创建并连接下载线程 self.current_download_thread = self.main_window.create_download_thread(url, _7z_path, game_version) self.current_download_thread.progress.connect(self.main_window.progress_window.update_progress) self.current_download_thread.finished.connect( lambda success, error: self.on_download_finished( success, error, url, game_folder, game_version, _7z_path, plugin_path, ) ) # 连接停止按钮 self.main_window.progress_window.stop_button.clicked.connect(self.current_download_thread.stop) # 启动线程和显示进度窗口 self.current_download_thread.start() self.main_window.progress_window.exec() def on_download_finished(self, success, error, url, game_folder, game_version, _7z_path, plugin_path): """下载完成后的处理 Args: success: 是否下载成功 error: 错误信息 url: 下载URL game_folder: 游戏文件夹路径 game_version: 游戏版本名称 _7z_path: 7z文件保存路径 plugin_path: 插件路径 """ # 关闭进度窗口 if self.main_window.progress_window.isVisible(): self.main_window.progress_window.reject() # 处理下载失败 if not success: print(f"--- Download Failed: {game_version} ---") print(error) print("------------------------------------") msg_box = QtWidgets.QMessageBox(self.main_window) msg_box.setWindowTitle(f"下载失败 - {APP_NAME}") msg_box.setText(f"\n文件获取失败: {game_version}\n错误: {error}\n\n是否重试？") retry_button = msg_box.addButton("重试", QtWidgets.QMessageBox.ButtonRole.YesRole) next_button = msg_box.addButton("下一个", QtWidgets.QMessageBox.ButtonRole.NoRole) end_button = msg_box.addButton("结束", QtWidgets.QMessageBox.ButtonRole.RejectRole) msg_box.exec() clicked_button = msg_box.clickedButton() # 处理用户选择 if clicked_button == retry_button: self.download_setting(url, game_folder, game_version, _7z_path, plugin_path) elif clicked_button == next_button: self.next_download_task() else: self.on_download_stopped() return # 下载成功，开始解压缩 self.main_window.hash_msg_box = self.main_window.hash_manager.hash_pop_window() # 创建并启动解压线程 self.main_window.extraction_thread = self.main_window.create_extraction_thread( _7z_path, game_folder, plugin_path, game_version ) self.main_window.extraction_thread.finished.connect(self.on_extraction_finished) self.main_window.extraction_thread.start() def on_extraction_finished(self, success, error_message, game_version): """解压完成后的处理 Args: success: 是否解压成功 error_message: 错误信息 game_version: 游戏版本 """ # 关闭哈希检查窗口 if self.main_window.hash_msg_box and self.main_window.hash_msg_box.isVisible(): self.main_window.hash_msg_box.close() # 处理解压结果 if not success: QtWidgets.QMessageBox.critical(self.main_window, f"错误 - {APP_NAME}", error_message) self.main_window.installed_status[game_version] = False else: self.main_window.installed_status[game_version] = True # 继续下一个下载任务 self.next_download_task() def on_download_stopped(self): """当用户点击停止按钮或选择结束时调用的函数""" # 停止IP优化线程 if hasattr(self, 'ip_optimizer_thread') and self.ip_optimizer_thread and self.ip_optimizer_thread.isRunning(): self.ip_optimizer_thread.stop() self.ip_optimizer_thread.wait() if hasattr(self, 'optimizing_msg_box') and self.optimizing_msg_box: if self.optimizing_msg_box.isVisible(): self.optimizing_msg_box.accept() self.optimizing_msg_box = None # 停止当前可能仍在运行的下载线程 if self.current_download_thread and self.current_download_thread.isRunning(): self.current_download_thread.stop() self.current_download_thread.wait() # 等待线程完全终止 # 清空下载队列，因为用户决定停止 self.download_queue.clear() # 确保进度窗口已关闭 if hasattr(self.main_window, 'progress_window') and self.main_window.progress_window.isVisible(): self.main_window.progress_window.reject() # 可以在这里决定是否立即进行哈希比较或显示结果 print("下载已全部停止。") self.main_window.setEnabled(True) # 恢复主窗口交互 # 重新启用退出按钮和开始安装按钮 self.main_window.ui.exit_btn.setEnabled(True) self.main_window.ui.start_install_btn.setEnabled(True) self.main_window.show_result()