mirror of
https://github.com/jxxghp/MoviePilot.git
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77 lines
2.6 KiB
Python
77 lines
2.6 KiB
Python
"""MoviePilot工具基类"""
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from abc import ABCMeta, abstractmethod
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from typing import Callable, Any
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from langchain.tools import BaseTool
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from pydantic import PrivateAttr
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from app.agent import StreamingCallbackHandler
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from app.chain import ChainBase
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from app.schemas import Notification
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class ToolChain(ChainBase):
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pass
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class MoviePilotTool(BaseTool, metaclass=ABCMeta):
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"""MoviePilot专用工具基类"""
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_session_id: str = PrivateAttr()
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_user_id: str = PrivateAttr()
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_channel: str = PrivateAttr(default=None)
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_source: str = PrivateAttr(default=None)
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_username: str = PrivateAttr(default=None)
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_callback_handler: StreamingCallbackHandler = PrivateAttr(default=None)
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def __init__(self, session_id: str, user_id: str, **kwargs):
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super().__init__(**kwargs)
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self._session_id = session_id
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self._user_id = user_id
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def _run(self, *args: Any, **kwargs: Any) -> Any:
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pass
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async def _arun(self, **kwargs) -> str:
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"""异步运行工具"""
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# 发送运行工具前的消息
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agent_message = await self._callback_handler.get_message()
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if agent_message:
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await self.send_tool_message(agent_message, title="MoviePilot助手")
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# 发送执行工具说明
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explanation = kwargs.get("explanation")
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if explanation:
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# 使用分隔线和图标将工具执行消息"包起来"，使其与正常Agent消息区分
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separator = "━━━━━━━━━━━━━━━━"
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tool_message = f"{separator}\n⚙️ {explanation}\n{separator}"
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await self.send_tool_message(tool_message)
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return await self.run(**kwargs)
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@abstractmethod
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async def run(self, **kwargs) -> str:
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raise NotImplementedError
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def set_message_attr(self, channel: str, source: str, username: str):
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"""设置消息属性"""
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self._channel = channel
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self._source = source
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self._username = username
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def set_callback_handler(self, callback_handler: StreamingCallbackHandler):
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"""设置回调处理器"""
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self._callback_handler = callback_handler
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async def send_tool_message(self, message: str, title: str = ""):
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"""发送工具消息"""
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await ToolChain().async_post_message(
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Notification(
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channel=self._channel,
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source=self._source,
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userid=self._user_id,
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username=self._username,
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title=title,
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text=message
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),
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escape_markdown=False
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)
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