- 删除main.py中重复的sync_help_pic调用 - 删除plugin_manager.py中重复的__all__声明 - 清理performance.md中已移除的WebSocket连接池文档
151 lines
5.7 KiB
Python
151 lines
5.7 KiB
Python
"""
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插件管理器模块
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负责扫描、加载和管理 `plugins` 目录下的所有插件。
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"""
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import importlib
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import os
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import pkgutil
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import sys
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from typing import Set
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from .command_manager import CommandManager
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from ..utils.exceptions import SyncHandlerError, PluginLoadError, PluginReloadError, PluginNotFoundError
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from ..utils.logger import logger, ModuleLogger
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from ..utils.singleton import Singleton
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# 确保logger在模块级别可见
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__all__ = ['PluginManager', 'logger']
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# 确保logger在模块级别可见
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__all__ = ['PluginManager', 'logger']
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class PluginManager(Singleton):
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"""
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插件管理器类
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"""
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def __init__(self, command_manager: "CommandManager" | None = None) -> None:
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"""
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初始化插件管理器
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:param command_manager: CommandManager的实例
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"""
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# 检查是否已经初始化
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if hasattr(self, '_command_manager'):
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return
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# 只有首次初始化时才执行
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if command_manager:
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self._command_manager = command_manager
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self.loaded_plugins: Set[str] = set()
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# 创建模块专用日志记录器
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self.logger = ModuleLogger("PluginManager")
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@property
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def command_manager(self):
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"""
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获取命令管理器实例
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"""
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return self._command_manager
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def load_all_plugins(self) -> None:
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"""
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扫描并加载 `plugins` 目录下的所有插件。
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"""
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# 使用 pathlib 获取更可靠的路径
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# 当前文件: core/managers/plugin_manager.py
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# 目标: plugins/
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current_dir = os.path.dirname(os.path.abspath(__file__))
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# 回退两级到项目根目录 (core/managers -> core -> root)
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root_dir = os.path.dirname(os.path.dirname(current_dir))
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plugin_dir = os.path.join(root_dir, "plugins")
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package_name = "plugins"
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if not os.path.exists(plugin_dir):
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self.logger.error(f"插件目录不存在: {plugin_dir}")
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return
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self.logger.info(f"正在从 {package_name} 加载插件 (路径: {plugin_dir})...")
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for _, module_name, is_pkg in pkgutil.iter_modules([plugin_dir]):
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full_module_name = f"{package_name}.{module_name}"
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action = "加载" # 初始化默认值
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try:
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if full_module_name in self.loaded_plugins:
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self.command_manager.unload_plugin(full_module_name)
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module = importlib.reload(sys.modules[full_module_name])
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action = "重载"
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else:
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module = importlib.import_module(full_module_name)
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action = "加载"
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if hasattr(module, "__plugin_meta__"):
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meta = getattr(module, "__plugin_meta__")
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self.command_manager.plugins[full_module_name] = meta
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self.loaded_plugins.add(full_module_name)
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type_str = "包" if is_pkg else "文件"
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self.logger.success(f" [{type_str}] 成功{action}: {module_name}")
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except SyncHandlerError as e:
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error = PluginLoadError(
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plugin_name=module_name,
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message=f"同步处理器错误: {str(e)}",
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original_error=e
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)
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self.logger.error(f" 插件 {module_name} 加载失败: {error.message} (跳过此插件)")
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self.logger.log_custom_exception(error)
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except Exception as e:
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error = PluginLoadError(
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plugin_name=module_name,
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message=f"未知错误: {str(e)}",
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original_error=e
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)
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self.logger.exception(f" 加载插件 {module_name} 失败: {error.message}")
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self.logger.log_custom_exception(error)
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def reload_plugin(self, full_module_name: str) -> None:
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"""
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精确重载单个插件。
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"""
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if full_module_name not in self.loaded_plugins:
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self.logger.warning(f"尝试重载一个未被加载的插件: {full_module_name},将按首次加载处理。")
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if full_module_name not in sys.modules:
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reload_error = PluginNotFoundError(
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plugin_name=full_module_name,
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message="模块未在sys.modules中找到"
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)
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self.logger.error(f"重载失败: {reload_error.message}")
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self.logger.log_custom_exception(reload_error)
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return
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try:
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self.command_manager.unload_plugin(full_module_name)
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module = importlib.reload(sys.modules[full_module_name])
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if hasattr(module, "__plugin_meta__"):
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meta = getattr(module, "__plugin_meta__")
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self.command_manager.plugins[full_module_name] = meta
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self.logger.success(f"插件 {full_module_name} 已成功重载。")
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except SyncHandlerError as e:
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error = PluginReloadError(
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plugin_name=full_module_name,
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message=f"同步处理器错误: {str(e)}",
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original_error=e
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)
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self.logger.error(f"重载插件 {full_module_name} 失败: {error.message}")
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self.logger.log_custom_exception(error)
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except Exception as e:
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error = PluginReloadError(
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plugin_name=full_module_name,
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message=f"未知错误: {str(e)}",
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original_error=e
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)
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self.logger.exception(f"重载插件 {full_module_name} 时发生错误: {error.message}")
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self.logger.log_custom_exception(error)
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