mirror of
https://github.com/jxxghp/MoviePilot.git
synced 2026-11-09 23:30:13 +08:00
4395ddecf2
主项目更名为 Muvyo，内置媒体服务更名为 Vyo。模块目录、文件、类名、模块 ID、枚举、 名称描述、日志与文档统一改为 Vyo；配置类型值 mediavault 保持不变， 已保存的媒体服务器配置无需迁移。
574 lines
21 KiB
Python
574 lines
21 KiB
Python
"""向 HTTP/MCP 管理入口暴露自描述的服务操作工具。"""
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from __future__ import annotations
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import json
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import runpy
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import subprocess
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import sys
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from functools import lru_cache
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from pathlib import Path
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from typing import Any, ClassVar, Dict, Optional, Type
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from pydantic import BaseModel, ConfigDict, Field
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from app.agent.shell import agent_text_subprocess_kwargs
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from app.agent.tools.base import MoviePilotTool
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from app.agent.tools.tags import ToolTag
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from app.runtime.settings import get_runtime_setting
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class DownloaderOperationInput(BaseModel): # type: ignore[misc]
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"""下载器操作工具的运行时输入模型。"""
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client: Optional[str] = Field(
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default=None,
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description="Configured downloader instance name; omit it to use the default or only enabled instance.",
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)
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action: str = Field(
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description="Exact downloader action. Select one action branch from the MCP input schema.",
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)
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arguments: Dict[str, Any] = Field(
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default_factory=dict,
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description="Structured arguments declared by the selected downloader action.",
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)
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model_config = ConfigDict(extra="forbid")
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class MediaServerOperationInput(BaseModel): # type: ignore[misc]
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"""媒体服务器操作工具的运行时输入模型。"""
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server: Optional[str] = Field(
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default=None,
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description="Configured media-server instance name; omit it to use the only enabled instance.",
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)
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action: str = Field(
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description="Exact media-server action. Select one action branch from the MCP input schema.",
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)
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arguments: Dict[str, Any] = Field(
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default_factory=dict,
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description="Structured arguments declared by the selected media-server action.",
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)
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model_config = ConfigDict(extra="forbid")
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class DatabaseOperationInput(BaseModel): # type: ignore[misc]
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"""数据库操作工具的运行时输入模型。"""
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action: str = Field(
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description="Exact database action. Select one action branch from the MCP input schema.",
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)
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arguments: Dict[str, Any] = Field(
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default_factory=dict,
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description="Structured arguments declared by the selected database action.",
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)
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model_config = ConfigDict(extra="forbid")
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@lru_cache(maxsize=3)
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def _load_action_contracts(script_path: str) -> dict[str, Any]:
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"""从固定 Skill 脚本加载无配置副作用的 action 注册表。"""
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namespace = runpy.run_path(script_path)
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actions = namespace.get("ACTIONS")
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if not isinstance(actions, dict):
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raise RuntimeError("服务操作脚本缺少 ACTIONS 合同")
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return actions
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def _compact_type_schema(declared_type: str) -> dict[str, Any]:
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"""把 Skill 的紧凑参数类型转换为标准 JSON Schema。"""
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variants: list[dict[str, Any]] = []
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for candidate in declared_type.split("|"):
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if candidate.endswith("[]"):
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variants.append(
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{
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"type": "array",
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"items": _compact_type_schema(candidate[:-2]),
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}
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)
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else:
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variants.append({"type": candidate})
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return variants[0] if len(variants) == 1 else {"anyOf": variants}
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def _argument_schema(argument: dict[str, Any]) -> dict[str, Any]:
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"""构建一个包含类型、说明、默认值和枚举的参数 schema。"""
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schema = _compact_type_schema(str(argument["type"]))
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name = str(argument["name"])
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schema["description"] = str(argument.get("description") or "")
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if "default" in argument:
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schema["default"] = argument["default"]
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if argument.get("enum"):
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schema["enum"] = list(argument["enum"])
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if name == "offset":
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schema["minimum"] = 0
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if name == "limit":
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schema.update({"minimum": 1, "maximum": 200})
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if name in {"upload_limit", "download_limit", "ratio_limit", "seeding_time_limit"}:
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schema["minimum"] = 0
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if name in {
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"task_id",
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"item_id",
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"content",
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"location",
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"category",
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}:
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schema["minLength"] = 1
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if name in {
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"task_ids",
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"wanted_file_ids",
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"unwanted_file_ids",
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"tags",
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"trackers",
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"items",
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}:
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schema["minItems"] = 1
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return schema
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def _metadata_refresh_items_schema() -> dict[str, Any]:
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"""返回 metadata.refresh.items 的完整嵌套条目合同。"""
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return {
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"type": "array",
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"items": {
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"type": "object",
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"properties": {
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"title": {"type": "string", "description": "Media title used for recognition."},
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"year": {
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"anyOf": [{"type": "string"}, {"type": "integer"}],
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"description": "Release or premiere year used to disambiguate the title.",
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},
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"type": {
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"type": "string",
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"enum": ["电影", "电视剧", "音乐"],
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"description": (
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"Exact MoviePilot media-type literal: 电影 (movie), 电视剧 (TV), or 音乐 (music)."
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),
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},
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"category": {"type": "string", "description": "Optional MoviePilot library category."},
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"target_path": {
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"type": "string",
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"description": "Media file or directory path whose metadata should be refreshed.",
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},
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},
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"additionalProperties": False,
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},
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}
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def _add_action_argument_rules(action: str, schema: dict[str, Any]) -> None:
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"""把跨字段约束补充为机器可校验的 JSON Schema。"""
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task_selector_actions = {
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"tasks.start",
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"tasks.stop",
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"tasks.delete",
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"tasks.recheck",
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"tasks.reannounce",
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"tasks.queue.move",
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"tasks.force_start.set",
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"tasks.tags.set",
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}
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if action in task_selector_actions:
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schema["oneOf"] = [
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{"required": ["task_id"], "not": {"required": ["task_ids"]}},
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{"required": ["task_ids"], "not": {"required": ["task_id"]}},
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]
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if action == "tasks.files.selection.set":
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schema["anyOf"] = [
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{"required": ["wanted_file_ids"]},
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{"required": ["unwanted_file_ids"]},
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]
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if action == "tasks.properties.set":
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schema["anyOf"] = [
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{"required": [name]}
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for name in ("upload_limit", "download_limit", "ratio_limit", "seeding_time_limit")
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]
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if action == "session.speed_limits.set":
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schema["anyOf"] = [
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{"required": ["download_limit"]},
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{"required": ["upload_limit"]},
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]
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if action == "items.music.search":
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schema["anyOf"] = [
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{"required": ["title"]},
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{"required": ["artist"]},
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{"required": ["album"]},
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]
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if action == "items.season_episodes":
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schema["anyOf"] = [{"required": ["item_id"]}, {"required": ["title"]}]
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if action in {"query", "write"}:
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schema["oneOf"] = [
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{"required": ["sql"], "not": {"required": ["file"]}},
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{"required": ["file"], "not": {"required": ["sql"]}},
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]
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def _build_arguments_schema(action: str, spec: Any) -> dict[str, Any]:
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"""把一个 action 的脚本合同转换为 MCP arguments schema。"""
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contract = spec.to_dict(action)
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properties = {
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argument["name"]: _argument_schema(argument)
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for argument in contract["arguments"]
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}
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if action == "metadata.refresh":
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properties["items"] = _metadata_refresh_items_schema()
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properties["items"]["description"] = contract["arguments"][0]["description"]
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schema: dict[str, Any] = {
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"type": "object",
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"description": " ".join(contract.get("argument_rules") or []),
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"properties": properties,
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"required": list(contract.get("required_arguments") or []),
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"additionalProperties": False,
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}
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_add_action_argument_rules(action, schema)
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return schema
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def _build_mcp_input_schema(
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*,
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actions: dict[str, Any],
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selector_name: Optional[str],
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selector_description: Optional[str],
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title: str,
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) -> dict[str, Any]:
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"""构建按 action 分支且可由外部 MCP Client 直接发现的输入合同。"""
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action_names = sorted(actions)
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branches = []
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for action in action_names:
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contract = actions[action].to_dict(action)
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properties = {
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"action": {"type": "string", "const": action},
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"arguments": _build_arguments_schema(action, actions[action]),
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}
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if selector_name:
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properties[selector_name] = {
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"type": "string",
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"description": selector_description or "",
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}
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branches.append(
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{
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"type": "object",
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"title": action,
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"description": (
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f"{contract['description']} Effect: {contract['effect']}. "
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f"Providers: {', '.join(contract['providers'])}."
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),
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"properties": properties,
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"required": ["action", "arguments"],
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"additionalProperties": False,
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}
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)
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properties = {
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"action": {"type": "string", "enum": action_names},
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"arguments": {
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"type": "object",
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"description": "Arguments must match the oneOf branch selected by action.",
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},
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}
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if selector_name:
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properties[selector_name] = {
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"type": "string",
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"description": selector_description or "",
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}
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return {
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"$schema": "https://json-schema.org/draft/2020-12/schema",
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"title": title,
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"type": "object",
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"properties": properties,
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"required": ["action", "arguments"],
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"oneOf": branches,
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}
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def _parse_script_payload(stdout: str) -> dict[str, Any]:
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"""从可能带启动日志的 stdout 中提取最后一个完整 JSON 对象。"""
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decoder = json.JSONDecoder()
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for index in range(len(stdout) - 1, -1, -1):
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if stdout[index] != "{":
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continue
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try:
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payload, end = decoder.raw_decode(stdout[index:])
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except json.JSONDecodeError:
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continue
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if not stdout[index + end :].strip() and isinstance(payload, dict):
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return payload
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raise RuntimeError("服务操作脚本未返回有效 JSON")
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def _run_service_script(
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*,
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relative_script: str,
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selector_flag: Optional[str],
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selector_value: Optional[str],
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action: str,
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arguments: Dict[str, Any],
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) -> dict[str, Any]:
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"""不经 shell 调用固定 Skill 脚本，并只返回其结构化 JSON envelope。"""
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root_path = Path(get_runtime_setting("ROOT_PATH"))
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script_path = root_path / relative_script
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command = [
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sys.executable,
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str(script_path),
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"call",
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"--action",
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action,
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"--arguments",
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json.dumps(arguments, ensure_ascii=False, separators=(",", ":")),
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]
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if selector_value and selector_flag:
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command.extend([selector_flag, selector_value])
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completed = subprocess.run(
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command,
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cwd=root_path,
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capture_output=True,
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text=True,
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check=False,
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**agent_text_subprocess_kwargs(),
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)
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return _parse_script_payload(completed.stdout)
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class _ServiceOperationTool(MoviePilotTool):
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"""固定 Skill 脚本的 MCP-only 安全包装基类。"""
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require_admin: bool = True
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tags: list[str] = [ToolTag.Admin]
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_relative_script: ClassVar[str]
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_selector_name: ClassVar[Optional[str]]
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_selector_flag: ClassVar[Optional[str]]
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_blocking_bucket: ClassVar[str]
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def get_mcp_input_schema(self) -> dict[str, Any]:
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"""返回保留 action 条件分支的完整 MCP JSON Schema。"""
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root_path = Path(get_runtime_setting("ROOT_PATH"))
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actions = _load_action_contracts(str(root_path / self._relative_script))
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selector_description = None
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if self._selector_name:
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selector_description = self.args_schema.model_json_schema()["properties"][self._selector_name][
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"description"
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]
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return _build_mcp_input_schema(
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actions=actions,
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selector_name=self._selector_name,
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selector_description=selector_description,
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title=self.name,
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)
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async def _run_operation(
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self,
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*,
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selector_value: Optional[str],
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action: str,
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arguments: Dict[str, Any],
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) -> str:
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"""在线程池中运行固定脚本并序列化安全结果。"""
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payload = await self.run_blocking(
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self._blocking_bucket,
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_run_service_script,
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relative_script=self._relative_script,
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selector_flag=self._selector_flag,
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selector_value=selector_value,
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action=action,
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arguments=arguments,
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)
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return json.dumps(payload, ensure_ascii=False, indent=2)
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class DownloaderOperationTool(_ServiceOperationTool):
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"""外部 HTTP/MCP 调用下载器原生能力的结构化工具。"""
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name: str = "downloader_operation"
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description: str = (
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"Operate a configured qBittorrent, Transmission, or rTorrent instance. "
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"The input schema contains one exact branch per action, including providers, "
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"effects, required fields, types, defaults, enums, and cross-field constraints."
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)
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tags: list[str] = [ToolTag.Download]
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args_schema: Type[BaseModel] = DownloaderOperationInput
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_relative_script: ClassVar[str] = "skills/downloader-operation/scripts/mp-downloader.py"
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_selector_name: ClassVar[Optional[str]] = "client"
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_selector_flag: ClassVar[Optional[str]] = "--client"
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_blocking_bucket: ClassVar[str] = "downloader"
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async def run( # type: ignore[override]
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self,
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action: str,
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arguments: Optional[Dict[str, Any]] = None,
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client: Optional[str] = None,
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) -> str:
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"""执行一次自描述的下载器操作。"""
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return await self._run_operation(
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selector_value=client,
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action=action,
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arguments=arguments or {},
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)
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class MediaServerOperationTool(_ServiceOperationTool):
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"""外部 HTTP/MCP 调用媒体服务器原生能力的结构化工具。"""
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name: str = "mediaserver_operation"
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description: str = (
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"Operate a configured Emby, Jellyfin, Plex, ZSpace, UGREEN, TrimeMedia, "
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"Navidrome, or Vyo server. The input schema contains one exact branch per action, "
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"including providers, effects, required fields, types, defaults, enums, nested "
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"item fields, and cross-field constraints."
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)
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tags: list[str] = [ToolTag.Media]
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args_schema: Type[BaseModel] = MediaServerOperationInput
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_relative_script: ClassVar[str] = "skills/mediaserver-operation/scripts/mp-mediaserver.py"
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_selector_name: ClassVar[Optional[str]] = "server"
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_selector_flag: ClassVar[Optional[str]] = "--server"
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_blocking_bucket: ClassVar[str] = "mediaserver"
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async def run( # type: ignore[override]
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self,
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action: str,
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arguments: Optional[Dict[str, Any]] = None,
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server: Optional[str] = None,
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) -> str:
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"""执行一次自描述的媒体服务器操作。"""
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return await self._run_operation(
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selector_value=server,
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action=action,
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arguments=arguments or {},
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)
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def _run_database_script(arguments: Dict[str, Any], *, root_path: Path) -> dict[str, Any]:
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"""不经 shell 调用数据库 Skill 脚本，并返回结构化结果。"""
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script_path = root_path / "skills/database-operation/scripts/mp-db.py"
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action = str(arguments.get("action") or "")
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action_arguments = arguments.get("arguments") or {}
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if not isinstance(action_arguments, dict):
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raise ValueError("数据库 action arguments 必须是对象")
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contracts = _load_action_contracts(str(script_path))
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contract = contracts.get(action)
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if contract is None:
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raise ValueError(f"未知数据库 action: {action}")
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contract_data = contract.to_dict(action)
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declared_arguments = {item["name"]: item for item in contract_data["arguments"]}
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unknown_arguments = sorted(set(action_arguments) - set(declared_arguments))
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if unknown_arguments:
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raise ValueError(f"数据库 action 存在未知参数: {', '.join(unknown_arguments)}")
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missing_arguments = [
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name
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for name in contract_data["required_arguments"]
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if name not in action_arguments
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]
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if missing_arguments:
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raise ValueError(f"数据库 action 缺少必填参数: {', '.join(missing_arguments)}")
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if action in {"query", "write"}:
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has_sql = bool(action_arguments.get("sql"))
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has_file = bool(action_arguments.get("file"))
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if has_sql == has_file:
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raise ValueError("数据库 query/write 必须在 sql 与 file 中二选一")
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for field_name in ("sql", "file"):
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if field_name in action_arguments and (
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not isinstance(action_arguments[field_name], str)
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or not action_arguments[field_name].strip()
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):
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raise ValueError(f"数据库参数 {field_name} 必须是非空 string")
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if action == "schema" and (
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not isinstance(action_arguments.get("table_name"), str)
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or not action_arguments["table_name"].strip()
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):
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raise ValueError("数据库参数 table_name 必须是非空 string")
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if action == "query":
|
|
limit = action_arguments.get("limit", 100)
|
|
if isinstance(limit, bool) or not isinstance(limit, int) or not 1 <= limit <= 200:
|
|
raise ValueError("数据库参数 limit 必须是 1 到 200 的 integer")
|
|
write_flag = action_arguments.get("write", False)
|
|
if not isinstance(write_flag, bool):
|
|
raise ValueError("数据库参数 write 必须是 boolean")
|
|
|
|
command = [sys.executable, str(script_path), action]
|
|
if action == "schema":
|
|
command.append(str(action_arguments.get("table_name") or ""))
|
|
elif action in {"query", "write"}:
|
|
sql = action_arguments.get("sql")
|
|
sql_file = action_arguments.get("file")
|
|
if sql:
|
|
command.append(str(sql))
|
|
if sql_file:
|
|
command.extend(["--file", str(sql_file)])
|
|
if action == "query":
|
|
command.extend(["--limit", str(action_arguments.get("limit", 100))])
|
|
if action_arguments.get("write") is True:
|
|
command.append("--write")
|
|
|
|
completed = subprocess.run(
|
|
command,
|
|
cwd=root_path,
|
|
capture_output=True,
|
|
text=True,
|
|
check=False,
|
|
**agent_text_subprocess_kwargs(),
|
|
)
|
|
if completed.returncode != 0:
|
|
error_text = completed.stderr.strip() or completed.stdout.strip() or "数据库脚本执行失败"
|
|
return {"success": False, "error": "database_operation_failed", "message": error_text}
|
|
return _parse_script_payload(completed.stdout)
|
|
|
|
|
|
class DatabaseOperationTool(_ServiceOperationTool):
|
|
"""外部 HTTP/MCP 调用 MoviePilot 数据库 Skill 的结构化工具。"""
|
|
|
|
name: str = "database_operation"
|
|
description: str = (
|
|
"Inspect or explicitly modify the configured MoviePilot database. The input schema "
|
|
"contains exact branches for tables, schema, query, and write, including field types, "
|
|
"defaults, mutually exclusive SQL sources, and safety rules."
|
|
)
|
|
tags: list[str] = [ToolTag.Admin]
|
|
args_schema: Type[BaseModel] = DatabaseOperationInput
|
|
_relative_script: ClassVar[str] = "skills/database-operation/scripts/mp-db.py"
|
|
_selector_name: ClassVar[Optional[str]] = None
|
|
_selector_flag: ClassVar[Optional[str]] = None
|
|
_blocking_bucket: ClassVar[str] = "db"
|
|
|
|
def get_mcp_input_schema(self) -> dict[str, Any]:
|
|
"""返回数据库 action 的完整 MCP JSON Schema。"""
|
|
root_path = Path(get_runtime_setting("ROOT_PATH"))
|
|
actions = _load_action_contracts(str(root_path / self._relative_script))
|
|
return _build_mcp_input_schema(
|
|
actions=actions,
|
|
selector_name=None,
|
|
selector_description=None,
|
|
title=self.name,
|
|
)
|
|
|
|
async def run( # type: ignore[override]
|
|
self,
|
|
action: str,
|
|
arguments: Optional[Dict[str, Any]] = None,
|
|
) -> str:
|
|
"""
|
|
执行一次数据库 Skill 操作。
|
|
|
|
:param action: tables、schema、query 或 write
|
|
:param arguments: 当前 action 的结构化参数
|
|
:return: 结构化数据库结果
|
|
"""
|
|
payload = await self.run_blocking(
|
|
self._blocking_bucket,
|
|
_run_database_script,
|
|
root_path=Path(get_runtime_setting("ROOT_PATH")),
|
|
arguments={"action": action, "arguments": arguments or {}},
|
|
)
|
|
return json.dumps(payload, ensure_ascii=False, indent=2)
|
|
|
|
|
|
__all__ = [
|
|
"DownloaderOperationInput",
|
|
"DownloaderOperationTool",
|
|
"DatabaseOperationInput",
|
|
"DatabaseOperationTool",
|
|
"MediaServerOperationInput",
|
|
"MediaServerOperationTool",
|
|
]
|