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AstrBot/astrbot/core/persona_mgr.py
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2026-03-16 16:52:01 +08:00

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from astrbot import logger
from astrbot.api import sp
from astrbot.core.astrbot_config_mgr import AstrBotConfigManager
from astrbot.core.db import BaseDatabase
from astrbot.core.db.po import Persona, PersonaFolder, Personality
from astrbot.core.platform.message_session import MessageSession
from astrbot.core.sentinels import NOT_GIVEN
DEFAULT_PERSONALITY = Personality(
prompt="You are a helpful and friendly assistant.",
name="default",
begin_dialogs=[],
mood_imitation_dialogs=[],
tools=None,
skills=None,
custom_error_message=None,
_begin_dialogs_processed=[],
_mood_imitation_dialogs_processed="",
)
class PersonaManager:
def __init__(self, db_helper: BaseDatabase, acm: AstrBotConfigManager) -> None:
self.db = db_helper
self.acm = acm
default_ps = acm.default_conf.get("provider_settings", {})
self.default_persona: str = default_ps.get("default_personality", "default")
self.personas: list[Persona] = []
self.selected_default_persona: Persona | None = None
self.personas_v3: list[Personality] = []
self.selected_default_persona_v3: Personality | None = None
self.persona_v3_config: list[dict] = []
async def initialize(self) -> None:
self.personas = await self.get_all_personas()
self.get_v3_persona_data()
logger.info(f"已加载 {len(self.personas)} 个人格。")
async def get_persona(self, persona_id: str):
"""获取指定 persona 的信息"""
persona = await self.db.get_persona_by_id(persona_id)
if not persona:
raise ValueError(f"Persona with ID {persona_id} does not exist.")
return persona
async def get_default_persona_v3(
self,
umo: str | MessageSession | None = None,
) -> Personality:
"""获取默认 persona"""
cfg = self.acm.get_conf(umo)
default_persona_id = cfg.get("provider_settings", {}).get(
"default_personality",
"default",
)
if not default_persona_id or default_persona_id == "default":
return DEFAULT_PERSONALITY
try:
return next(p for p in self.personas_v3 if p["name"] == default_persona_id)
except Exception:
return DEFAULT_PERSONALITY
async def resolve_selected_persona(
self,
*,
umo: str | MessageSession,
conversation_persona_id: str | None,
platform_name: str,
provider_settings: dict | None = None,
) -> tuple[str | None, Personality | None, str | None, bool]:
"""解析当前会话最终生效的人格。
Returns:
tuple:
- selected persona_id
- selected persona object
- force applied persona_id from session rule
- whether use webchat special default persona
"""
session_service_config = (
await sp.get_async(
scope="umo",
scope_id=str(umo),
key="session_service_config",
default={},
)
or {}
)
force_applied_persona_id = session_service_config.get("persona_id")
persona_id = force_applied_persona_id
if not persona_id:
persona_id = conversation_persona_id
if persona_id == "[%None]":
pass
elif persona_id is None:
persona_id = (provider_settings or {}).get("default_personality")
persona = next(
(item for item in self.personas_v3 if item["name"] == persona_id),
None,
)
use_webchat_special_default = False
if not persona and platform_name == "webchat" and persona_id != "[%None]":
persona_id = "_chatui_default_"
use_webchat_special_default = True
return (
persona_id,
persona,
force_applied_persona_id,
use_webchat_special_default,
)
async def delete_persona(self, persona_id: str) -> None:
"""删除指定 persona"""
if not await self.db.get_persona_by_id(persona_id):
raise ValueError(f"Persona with ID {persona_id} does not exist.")
await self.db.delete_persona(persona_id)
self.personas = [p for p in self.personas if p.persona_id != persona_id]
self.get_v3_persona_data()
async def update_persona(
self,
persona_id: str,
system_prompt: str | None = None,
begin_dialogs: list[str] | None = None,
tools: list[str] | None | object = NOT_GIVEN,
skills: list[str] | None | object = NOT_GIVEN,
custom_error_message: str | None | object = NOT_GIVEN,
):
"""更新指定 persona 的信息。tools 参数为 None 时表示使用所有工具,空列表表示不使用任何工具"""
existing_persona = await self.db.get_persona_by_id(persona_id)
if not existing_persona:
raise ValueError(f"Persona with ID {persona_id} does not exist.")
update_kwargs = {}
if tools is not NOT_GIVEN:
update_kwargs["tools"] = tools
if skills is not NOT_GIVEN:
update_kwargs["skills"] = skills
if custom_error_message is not NOT_GIVEN:
update_kwargs["custom_error_message"] = custom_error_message
persona = await self.db.update_persona(
persona_id,
system_prompt,
begin_dialogs,
**update_kwargs,
)
if persona:
for i, p in enumerate(self.personas):
if p.persona_id == persona_id:
self.personas[i] = persona
break
self.get_v3_persona_data()
return persona
async def get_all_personas(self) -> list[Persona]:
"""获取所有 personas"""
return await self.db.get_personas()
async def get_personas_by_folder(
self, folder_id: str | None = None
) -> list[Persona]:
"""获取指定文件夹中的 personas
Args:
folder_id: 文件夹 IDNone 表示根目录
"""
return await self.db.get_personas_by_folder(folder_id)
async def move_persona_to_folder(
self, persona_id: str, folder_id: str | None
) -> Persona | None:
"""移动 persona 到指定文件夹
Args:
persona_id: Persona ID
folder_id: 目标文件夹 IDNone 表示移动到根目录
"""
persona = await self.db.move_persona_to_folder(persona_id, folder_id)
if persona:
for i, p in enumerate(self.personas):
if p.persona_id == persona_id:
self.personas[i] = persona
break
return persona
# ====
# Persona Folder Management
# ====
async def create_folder(
self,
name: str,
parent_id: str | None = None,
description: str | None = None,
sort_order: int = 0,
) -> PersonaFolder:
"""创建新的文件夹"""
return await self.db.insert_persona_folder(
name=name,
parent_id=parent_id,
description=description,
sort_order=sort_order,
)
async def get_folder(self, folder_id: str) -> PersonaFolder | None:
"""获取指定文件夹"""
return await self.db.get_persona_folder_by_id(folder_id)
async def get_folders(self, parent_id: str | None = None) -> list[PersonaFolder]:
"""获取文件夹列表
Args:
parent_id: 父文件夹 ID,None 表示获取根目录下的文件夹
"""
return await self.db.get_persona_folders(parent_id)
async def get_all_folders(self) -> list[PersonaFolder]:
"""获取所有文件夹"""
return await self.db.get_all_persona_folders()
async def update_folder(
self,
folder_id: str,
name: str | None = None,
parent_id: str | None = None,
description: str | None = None,
sort_order: int | None = None,
) -> PersonaFolder | None:
"""更新文件夹信息"""
return await self.db.update_persona_folder(
folder_id=folder_id,
name=name,
parent_id=parent_id,
description=description,
sort_order=sort_order,
)
async def delete_folder(self, folder_id: str) -> None:
"""删除文件夹
Note: 文件夹内的 personas 会被移动到根目录
"""
await self.db.delete_persona_folder(folder_id)
async def batch_update_sort_order(self, items: list[dict]) -> None:
"""批量更新 personas 和/或 folders 的排序顺序
Args:
items: 包含以下键的字典列表:
- id: persona_id 或 folder_id
- type: "persona""folder"
- sort_order: 新的排序顺序值
"""
await self.db.batch_update_sort_order(items)
# 刷新缓存
self.personas = await self.get_all_personas()
self.get_v3_persona_data()
async def get_folder_tree(self) -> list[dict]:
"""获取文件夹树形结构
Returns:
树形结构的文件夹列表,每个文件夹包含 children 子列表
"""
all_folders = await self.get_all_folders()
folder_map: dict[str, dict] = {}
# 创建文件夹字典
for folder in all_folders:
folder_map[folder.folder_id] = {
"folder_id": folder.folder_id,
"name": folder.name,
"parent_id": folder.parent_id,
"description": folder.description,
"sort_order": folder.sort_order,
"children": [],
}
# 构建树形结构
root_folders = []
for folder_id, folder_data in folder_map.items():
parent_id = folder_data["parent_id"]
if parent_id is None:
root_folders.append(folder_data)
elif parent_id in folder_map:
folder_map[parent_id]["children"].append(folder_data)
# 递归排序
def sort_folders(folders: list[dict]) -> list[dict]:
folders.sort(key=lambda f: (f["sort_order"], f["name"]))
for folder in folders:
if folder["children"]:
folder["children"] = sort_folders(folder["children"])
return folders
return sort_folders(root_folders)
async def create_persona(
self,
persona_id: str,
system_prompt: str,
begin_dialogs: list[str] | None = None,
tools: list[str] | None = None,
skills: list[str] | None = None,
custom_error_message: str | None = None,
folder_id: str | None = None,
sort_order: int = 0,
) -> Persona:
"""创建新的 persona。
Args:
persona_id: Persona 唯一标识
system_prompt: 系统提示词
begin_dialogs: 预设对话列表
tools: 工具列表,None 表示使用所有工具,空列表表示不使用任何工具
skills: Skills 列表,None 表示使用所有 Skills,空列表表示不使用任何 Skills
folder_id: 所属文件夹 IDNone 表示根目录
sort_order: 排序顺序
"""
if await self.db.get_persona_by_id(persona_id):
raise ValueError(f"Persona with ID {persona_id} already exists.")
new_persona = await self.db.insert_persona(
persona_id,
system_prompt,
begin_dialogs,
tools=tools,
skills=skills,
custom_error_message=custom_error_message,
folder_id=folder_id,
sort_order=sort_order,
)
self.personas.append(new_persona)
self.get_v3_persona_data()
return new_persona
async def clone_persona(
self,
source_persona_id: str,
new_persona_id: str,
) -> Persona:
"""Clone an existing persona with a new ID.
Args:
source_persona_id: Source persona ID to clone from
new_persona_id: New persona ID for the clone
Returns:
The newly created persona clone
"""
source_persona = await self.db.get_persona_by_id(source_persona_id)
if not source_persona:
raise ValueError(f"Persona with ID {source_persona_id} does not exist.")
if await self.db.get_persona_by_id(new_persona_id):
raise ValueError(f"Persona with ID {new_persona_id} already exists.")
new_persona = await self.db.insert_persona(
new_persona_id,
source_persona.system_prompt,
source_persona.begin_dialogs,
tools=source_persona.tools,
skills=source_persona.skills,
custom_error_message=source_persona.custom_error_message,
folder_id=source_persona.folder_id,
sort_order=source_persona.sort_order,
)
self.personas.append(new_persona)
self.get_v3_persona_data()
return new_persona
def get_v3_persona_data(
self,
) -> tuple[list[dict], list[Personality], Personality]:
"""获取 AstrBot <4.0.0 版本的 persona 数据。
Returns:
- list[dict]: 包含 persona 配置的字典列表。
- list[Personality]: 包含 Personality 对象的列表。
- Personality: 默认选择的 Personality 对象。
"""
v3_persona_config = [
{
"prompt": persona.system_prompt,
"name": persona.persona_id,
"begin_dialogs": persona.begin_dialogs or [],
"mood_imitation_dialogs": [], # deprecated
"tools": persona.tools,
"skills": persona.skills,
"custom_error_message": persona.custom_error_message,
}
for persona in self.personas
]
personas_v3: list[Personality] = []
selected_default_persona: Personality | None = None
for persona_cfg in v3_persona_config:
begin_dialogs = persona_cfg.get("begin_dialogs", [])
bd_processed = []
if begin_dialogs:
if len(begin_dialogs) % 2 != 0:
logger.error(
f"{persona_cfg['name']} 人格情景预设对话格式不对,条数应该为偶数。",
)
begin_dialogs = []
user_turn = True
for dialog in begin_dialogs:
bd_processed.append(
{
"role": "user" if user_turn else "assistant",
"content": dialog,
"_no_save": True, # 不持久化到 db
},
)
user_turn = not user_turn
try:
persona = Personality(
**persona_cfg,
_begin_dialogs_processed=bd_processed,
_mood_imitation_dialogs_processed="", # deprecated
)
if persona["name"] == self.default_persona:
selected_default_persona = persona
personas_v3.append(persona)
except Exception as e:
logger.error(f"解析 Persona 配置失败:{e}")
if not selected_default_persona and len(personas_v3) > 0:
# 默认选择第一个
selected_default_persona = personas_v3[0]
if not selected_default_persona:
selected_default_persona = DEFAULT_PERSONALITY
personas_v3.append(selected_default_persona)
self.personas_v3 = personas_v3
self.selected_default_persona_v3 = selected_default_persona
self.persona_v3_config = v3_persona_config
self.selected_default_persona = Persona(
persona_id=selected_default_persona["name"],
system_prompt=selected_default_persona["prompt"],
begin_dialogs=selected_default_persona["begin_dialogs"],
tools=selected_default_persona["tools"] or None,
skills=selected_default_persona["skills"] or None,
custom_error_message=selected_default_persona["custom_error_message"],
)
return v3_persona_config, personas_v3, selected_default_persona