Soulter
d2df4d0cce
* feat: 增加可用插件集合配置项 * remove: 旧版平台可用性配置 已经基于多配置文件实现。 * feat: 应用配置文件插件可用性配置 * perf: hoist if from if
135 lines
4.4 KiB
Python
135 lines
4.4 KiB
Python
from __future__ import annotations
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import enum
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from dataclasses import dataclass, field
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from typing import Awaitable, List, Dict, TypeVar, Generic
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from .filter import HandlerFilter
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from .star import star_map
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T = TypeVar("T", bound="StarHandlerMetadata")
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class StarHandlerRegistry(Generic[T]):
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def __init__(self):
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self.star_handlers_map: Dict[str, StarHandlerMetadata] = {}
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self._handlers: List[StarHandlerMetadata] = []
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def append(self, handler: StarHandlerMetadata):
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"""添加一个 Handler，并保持按优先级有序"""
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if "priority" not in handler.extras_configs:
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handler.extras_configs["priority"] = 0
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self.star_handlers_map[handler.handler_full_name] = handler
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self._handlers.append(handler)
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self._handlers.sort(key=lambda h: -h.extras_configs["priority"])
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def _print_handlers(self):
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for handler in self._handlers:
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print(handler.handler_full_name)
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def get_handlers_by_event_type(
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self,
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event_type: EventType,
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only_activated=True,
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plugins_name: list[str] | None = None,
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) -> List[StarHandlerMetadata]:
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handlers = []
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for handler in self._handlers:
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if handler.event_type != event_type:
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continue
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if only_activated:
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plugin = star_map.get(handler.handler_module_path)
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if not (plugin and plugin.activated):
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continue
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if plugins_name is not None and plugins_name != ["*"]:
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plugin = star_map.get(handler.handler_module_path)
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if not plugin:
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continue
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if (
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plugin.name not in plugins_name
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and event_type != EventType.OnAstrBotLoadedEvent
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and not plugin.reserved
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):
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continue
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handlers.append(handler)
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return handlers
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def get_handler_by_full_name(self, full_name: str) -> StarHandlerMetadata:
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return self.star_handlers_map.get(full_name, None)
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def get_handlers_by_module_name(
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self, module_name: str
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) -> List[StarHandlerMetadata]:
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return [
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handler
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for handler in self._handlers
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if handler.handler_module_path == module_name
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]
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def clear(self):
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self.star_handlers_map.clear()
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self._handlers.clear()
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def remove(self, handler: StarHandlerMetadata):
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self.star_handlers_map.pop(handler.handler_full_name, None)
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self._handlers = [h for h in self._handlers if h != handler]
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def __iter__(self):
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return iter(self._handlers)
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def __len__(self):
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return len(self._handlers)
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star_handlers_registry = StarHandlerRegistry()
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class EventType(enum.Enum):
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"""表示一个 AstrBot 内部事件的类型。如适配器消息事件、LLM 请求事件、发送消息前的事件等
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用于对 Handler 的职能分组。
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"""
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OnAstrBotLoadedEvent = enum.auto() # AstrBot 加载完成
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AdapterMessageEvent = enum.auto() # 收到适配器发来的消息
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OnLLMRequestEvent = enum.auto() # 收到 LLM 请求（可以是用户也可以是插件）
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OnLLMResponseEvent = enum.auto() # LLM 响应后
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OnDecoratingResultEvent = enum.auto() # 发送消息前
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OnCallingFuncToolEvent = enum.auto() # 调用函数工具
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OnAfterMessageSentEvent = enum.auto() # 发送消息后
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@dataclass
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class StarHandlerMetadata:
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"""描述一个 Star 所注册的某一个 Handler。"""
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event_type: EventType
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"""Handler 的事件类型"""
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handler_full_name: str
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'''格式为 f"{handler.__module__}_{handler.__name__}"'''
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handler_name: str
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"""Handler 的名字，也就是方法名"""
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handler_module_path: str
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"""Handler 所在的模块路径。"""
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handler: Awaitable
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"""Handler 的函数对象，应当是一个异步函数"""
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event_filters: List[HandlerFilter]
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"""一个适配器消息事件过滤器，用于描述这个 Handler 能够处理、应该处理的适配器消息事件"""
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desc: str = ""
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"""Handler 的描述信息"""
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extras_configs: dict = field(default_factory=dict)
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"""插件注册的一些其他的信息, 如 priority 等"""
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def __lt__(self, other: StarHandlerMetadata):
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"""定义小于运算符以支持优先队列"""
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return self.extras_configs.get("priority", 0) < other.extras_configs.get(
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"priority", 0
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)
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