feat：重构插件api

src/plugin_system/base/base_plugin.py

@@ -0,0 +1,226 @@
+from abc import ABC, abstractmethod
+from typing import Dict, List, Type, Optional, Any
+import os
+import inspect
+import toml
+from src.common.logger_manager import get_logger
+from src.plugin_system.base.component_types import (
+    PluginInfo, ComponentInfo, ActionInfo, CommandInfo,
+    ComponentType, ActionActivationType, ChatMode
+)
+from src.plugin_system.core.component_registry import component_registry
+
+logger = get_logger("base_plugin")
+
+# 全局插件类注册表
+_plugin_classes: Dict[str, Type['BasePlugin']] = {}
+
+class BasePlugin(ABC):
+    """插件基类
+    
+    所有插件都应该继承这个基类，一个插件可以包含多种组件：
+    - Action组件：处理聊天中的动作
+    - Command组件：处理命令请求
+    - 未来可扩展：Scheduler、Listener等
+    """
+    
+    # 插件基本信息（子类必须定义）
+    plugin_name: str = ""               # 插件名称
+    plugin_description: str = ""        # 插件描述
+    plugin_version: str = "1.0.0"      # 插件版本
+    plugin_author: str = ""             # 插件作者
+    enable_plugin: bool = True          # 是否启用插件
+    dependencies: List[str] = []        # 依赖的其他插件
+    config_file_name: Optional[str] = None  # 配置文件名
+    
+    def __init__(self, plugin_dir: str = None):
+        """初始化插件
+        
+        Args:
+            plugin_dir: 插件目录路径，由插件管理器传递
+        """
+        self.config: Dict[str, Any] = {}    # 插件配置
+        self.plugin_dir = plugin_dir        # 插件目录路径
+        self.log_prefix = f"[Plugin:{self.plugin_name}]"
+        
+        # 验证插件信息
+        self._validate_plugin_info()
+        
+        # 加载插件配置
+        self._load_plugin_config()
+        
+        # 创建插件信息对象
+        self.plugin_info = PluginInfo(
+            name=self.plugin_name,
+            description=self.plugin_description,
+            version=self.plugin_version,
+            author=self.plugin_author,
+            enabled=self.enable_plugin,
+            is_built_in=False,
+            config_file=self.config_file_name or "",
+            dependencies=self.dependencies.copy()
+        )
+        
+        logger.debug(f"{self.log_prefix} 插件基类初始化完成")
+    
+    def _validate_plugin_info(self):
+        """验证插件基本信息"""
+        if not self.plugin_name:
+            raise ValueError(f"插件类 {self.__class__.__name__} 必须定义 plugin_name")
+        if not self.plugin_description:
+            raise ValueError(f"插件 {self.plugin_name} 必须定义 plugin_description")
+    
+    def _load_plugin_config(self):
+        """加载插件配置文件"""
+        if not self.config_file_name:
+            logger.debug(f"{self.log_prefix} 未指定配置文件，跳过加载")
+            return
+        
+        # 优先使用传入的插件目录路径
+        if self.plugin_dir:
+            plugin_dir = self.plugin_dir
+        else:
+            # fallback：尝试从类的模块信息获取路径
+            try:
+                plugin_module_path = inspect.getfile(self.__class__)
+                plugin_dir = os.path.dirname(plugin_module_path)
+            except (TypeError, OSError):
+                # 最后的fallback：从模块的__file__属性获取
+                module = inspect.getmodule(self.__class__)
+                if module and hasattr(module, '__file__') and module.__file__:
+                    plugin_dir = os.path.dirname(module.__file__)
+                else:
+                    logger.warning(f"{self.log_prefix} 无法获取插件目录路径，跳过配置加载")
+                    return
+        
+        config_file_path = os.path.join(plugin_dir, self.config_file_name)
+        
+        if not os.path.exists(config_file_path):
+            logger.warning(f"{self.log_prefix} 配置文件 {config_file_path} 不存在")
+            return
+        
+        file_ext = os.path.splitext(self.config_file_name)[1].lower()
+        
+        if file_ext == ".toml":
+            with open(config_file_path, "r", encoding="utf-8") as f:
+                self.config = toml.load(f) or {}
+            logger.info(f"{self.log_prefix} 配置已从 {config_file_path} 加载")
+        else:
+            logger.warning(f"{self.log_prefix} 不支持的配置文件格式: {file_ext}，仅支持 .toml")
+            self.config = {}
+    
+    @abstractmethod
+    def get_plugin_components(self) -> List[tuple[ComponentInfo, Type]]:
+        """获取插件包含的组件列表
+        
+        子类必须实现此方法，返回组件信息和组件类的列表
+        
+        Returns:
+            List[tuple[ComponentInfo, Type]]: [(组件信息, 组件类), ...]
+        """
+        pass
+    
+    def register_plugin(self) -> bool:
+        """注册插件及其所有组件"""
+        if not self.enable_plugin:
+            logger.info(f"{self.log_prefix} 插件已禁用，跳过注册")
+            return False
+        
+        components = self.get_plugin_components()
+        
+        # 检查依赖
+        if not self._check_dependencies():
+            logger.error(f"{self.log_prefix} 依赖检查失败，跳过注册")
+            return False
+        
+        # 注册所有组件
+        registered_components = []
+        for component_info, component_class in components:
+            component_info.plugin_name = self.plugin_name
+            if component_registry.register_component(component_info, component_class):
+                registered_components.append(component_info)
+            else:
+                logger.warning(f"{self.log_prefix} 组件 {component_info.name} 注册失败")
+        
+        # 更新插件信息中的组件列表
+        self.plugin_info.components = registered_components
+        
+        # 注册插件
+        if component_registry.register_plugin(self.plugin_info):
+            logger.info(f"{self.log_prefix} 插件注册成功，包含 {len(registered_components)} 个组件")
+            return True
+        else:
+            logger.error(f"{self.log_prefix} 插件注册失败")
+            return False
+    
+    def _check_dependencies(self) -> bool:
+        """检查插件依赖"""
+        if not self.dependencies:
+            return True
+        
+        for dep in self.dependencies:
+            if not component_registry.get_plugin_info(dep):
+                logger.error(f"{self.log_prefix} 缺少依赖插件: {dep}")
+                return False
+        
+        return True
+    
+    def get_config(self, key: str, default: Any = None) -> Any:
+        """获取插件配置值
+        
+        Args:
+            key: 配置键名
+            default: 默认值
+            
+        Returns:
+            Any: 配置值或默认值
+        """
+        return self.config.get(key, default)
+
+
+def register_plugin(cls):
+    """插件注册装饰器
+    
+    用法:
+        @register_plugin
+        class MyPlugin(BasePlugin):
+            plugin_name = "my_plugin"
+            plugin_description = "我的插件"
+            ...
+    """
+    if not issubclass(cls, BasePlugin):
+        logger.error(f"类 {cls.__name__} 不是 BasePlugin 的子类")
+        return cls
+    
+    # 只是注册插件类，不立即实例化
+    # 插件管理器会负责实例化和注册
+    plugin_name = cls.plugin_name or cls.__name__
+    _plugin_classes[plugin_name] = cls
+    logger.debug(f"插件类已注册: {plugin_name}")
+    
+    return cls
+
+
+def get_registered_plugin_classes() -> Dict[str, Type['BasePlugin']]:
+    """获取所有已注册的插件类"""
+    return _plugin_classes.copy()
+
+
+def instantiate_and_register_plugin(plugin_class: Type['BasePlugin'], plugin_dir: str = None) -> bool:
+    """实例化并注册插件
+    
+    Args:
+        plugin_class: 插件类
+        plugin_dir: 插件目录路径
+        
+    Returns:
+        bool: 是否成功
+    """
+    try:
+        plugin_instance = plugin_class(plugin_dir=plugin_dir)
+        return plugin_instance.register_plugin()
+    except Exception as e:
+        logger.error(f"注册插件 {plugin_class.__name__} 时出错: {e}")
+        import traceback
+        logger.error(traceback.format_exc())
+        return False