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| 1 | +"""查询媒体详情工具""" |
| 2 | + |
| 3 | +import json |
| 4 | +from typing import Optional, Type |
| 5 | + |
| 6 | +from pydantic import BaseModel, Field |
| 7 | + |
| 8 | +from app.agent.tools.base import MoviePilotTool |
| 9 | +from app.chain.media import MediaChain |
| 10 | +from app.log import logger |
| 11 | +from app.schemas import MediaType |
| 12 | + |
| 13 | + |
| 14 | +class QueryMediaDetailInput(BaseModel): |
| 15 | + """查询媒体详情工具的输入参数模型""" |
| 16 | + explanation: str = Field(..., description="Clear explanation of why this tool is being used in the current context") |
| 17 | + tmdb_id: int = Field(..., description="TMDB ID of the media (movie or TV series)") |
| 18 | + |
| 19 | + |
| 20 | +class QueryMediaDetailTool(MoviePilotTool): |
| 21 | + name: str = "query_media_detail" |
| 22 | + description: str = "Query detailed media information from TMDB by ID. Returns core metadata including title, year, overview, status, genres, directors, actors, and season count for TV series." |
| 23 | + args_schema: Type[BaseModel] = QueryMediaDetailInput |
| 24 | + |
| 25 | + def get_tool_message(self, **kwargs) -> Optional[str]: |
| 26 | + """根据查询参数生成友好的提示消息""" |
| 27 | + tmdb_id = kwargs.get("tmdb_id") |
| 28 | + return f"正在查询媒体详情: TMDB ID {tmdb_id}" |
| 29 | + |
| 30 | + async def run(self, tmdb_id: int, **kwargs) -> str: |
| 31 | + logger.info(f"执行工具: {self.name}, 参数: tmdb_id={tmdb_id}") |
| 32 | + |
| 33 | + try: |
| 34 | + media_chain = MediaChain() |
| 35 | + |
| 36 | + # 通过自动媒体类型识别获取媒体信息(电影或电视剧) |
| 37 | + mediainfo = await media_chain.async_recognize_media(tmdbid=tmdb_id, mtype=None) |
| 38 | + |
| 39 | + if not mediainfo: |
| 40 | + return json.dumps({ |
| 41 | + "success": False, |
| 42 | + "message": f"未找到 TMDB ID {tmdb_id} 的媒体信息" |
| 43 | + }, ensure_ascii=False) |
| 44 | + |
| 45 | + # 精简 genres - 只保留名称 |
| 46 | + genres = [g.get("name") for g in (mediainfo.genres or []) if g.get("name")] |
| 47 | + |
| 48 | + # 精简 directors - 只保留姓名和职位 |
| 49 | + directors = [ |
| 50 | + { |
| 51 | + "name": d.get("name"), |
| 52 | + "job": d.get("job") |
| 53 | + } |
| 54 | + for d in (mediainfo.directors or []) |
| 55 | + if d.get("name") |
| 56 | + ] |
| 57 | + |
| 58 | + # 精简 actors - 只保留姓名和角色 |
| 59 | + actors = [ |
| 60 | + { |
| 61 | + "name": a.get("name"), |
| 62 | + "character": a.get("character") |
| 63 | + } |
| 64 | + for a in (mediainfo.actors or []) |
| 65 | + if a.get("name") |
| 66 | + ] |
| 67 | + |
| 68 | + # 构建基础媒体详情信息 |
| 69 | + result = { |
| 70 | + "success": True, |
| 71 | + "tmdb_id": tmdb_id, |
| 72 | + "type": mediainfo.type.value if mediainfo.type else None, |
| 73 | + "title": mediainfo.title, |
| 74 | + "year": mediainfo.year, |
| 75 | + "overview": mediainfo.overview, |
| 76 | + "status": mediainfo.status, |
| 77 | + "genres": genres, |
| 78 | + "directors": directors, |
| 79 | + "actors": actors |
| 80 | + } |
| 81 | + |
| 82 | + # 如果是电视剧,添加电视剧特有信息 |
| 83 | + if mediainfo.type == MediaType.TV: |
| 84 | + # 精简 season_info - 只保留基础摘要 |
| 85 | + season_info = [ |
| 86 | + { |
| 87 | + "season_number": s.get("season_number"), |
| 88 | + "name": s.get("name"), |
| 89 | + "episode_count": s.get("episode_count"), |
| 90 | + "air_date": s.get("air_date") |
| 91 | + } |
| 92 | + for s in (mediainfo.season_info or []) |
| 93 | + if s.get("season_number") is not None |
| 94 | + ] |
| 95 | + |
| 96 | + result.update({ |
| 97 | + "number_of_seasons": mediainfo.number_of_seasons, |
| 98 | + "number_of_episodes": mediainfo.number_of_episodes, |
| 99 | + "first_air_date": mediainfo.first_air_date, |
| 100 | + "last_air_date": mediainfo.last_air_date, |
| 101 | + "season_info": season_info |
| 102 | + }) |
| 103 | + |
| 104 | + return json.dumps(result, ensure_ascii=False, indent=2) |
| 105 | + |
| 106 | + except Exception as e: |
| 107 | + error_message = f"查询媒体详情失败: {str(e)}" |
| 108 | + logger.error(f"查询媒体详情失败: {e}", exc_info=True) |
| 109 | + return json.dumps({ |
| 110 | + "success": False, |
| 111 | + "message": error_message, |
| 112 | + "tmdb_id": tmdb_id |
| 113 | + }, ensure_ascii=False) |
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