210 lines
8.5 KiB
Python
210 lines
8.5 KiB
Python
# Copyright 2026 zhaoxi826
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#
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# Licensed under the Apache License, Version 2.0 (the "License");
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# you may not use this file except in compliance with the License.
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# You may obtain a copy of the License at
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#
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# http://www.apache.org/licenses/LICENSE-2.0
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#
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# Unless required by applicable law or agreed to in writing, software
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# distributed under the License is distributed on an "AS IS" BASIS,
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# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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# See the License for the specific language governing permissions and
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# limitations under the License.
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from kilostar.core.postgres_database.model.individual import (
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BaseIndividualModel,
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SpecialistIndividualModel,
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OrdinaryIndividualModel,
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SpecialIndividualModel,
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)
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from sqlalchemy import select, and_
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from typing import List, Optional
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from kilostar.core.postgres_database.database_exception import database_exception
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from kilostar.utils.error import BusinessError
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from ulid import ULID
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_AGENT_TYPE_MODEL_MAP = {
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"specialist": SpecialistIndividualModel,
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"ordinary": OrdinaryIndividualModel,
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"special": SpecialIndividualModel,
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}
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class IndividualDatabase:
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"""Individual 表族（Base/Specialist/Ordinary/Special）的 DAO，按 agent_type 选择具体子表。"""
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def __init__(self, async_session_maker):
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self.async_session_maker = async_session_maker
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@staticmethod
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def _select_model(agent_type: str):
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return _AGENT_TYPE_MODEL_MAP.get(agent_type, BaseIndividualModel)
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@database_exception
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async def add_worker_individual(self, **kwargs):
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"""新建一个 Worker Individual：自动生成 ULID，按 ``agent_type`` 选择对应子表写入。"""
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async with self.async_session_maker() as session:
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agent_id = str(ULID())
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agent_type = kwargs.get("agent_type", "base")
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model_cls = self._select_model(agent_type)
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individual = model_cls(agent_id=agent_id, **kwargs)
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session.add(individual)
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await session.commit()
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await session.refresh(individual)
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return individual
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@database_exception
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async def get_worker_individual(self, agent_id: str):
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"""按 agent_id 取单个 Individual；不存在返回 None。"""
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async with self.async_session_maker() as session:
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statement = select(BaseIndividualModel).where(
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BaseIndividualModel.agent_id == agent_id
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)
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results = await session.execute(statement)
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return results.scalar_one_or_none()
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@database_exception
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async def get_worker_individual_list(self, owner_id: str):
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"""读取某用户名下的所有 Individual。"""
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async with self.async_session_maker() as session:
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statement = select(BaseIndividualModel).where(
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BaseIndividualModel.owner_id == owner_id
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)
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results = await session.execute(statement)
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return list(results.scalars().all())
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@database_exception
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async def update_worker_individual(self, agent_id: str, **kwargs):
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"""部分更新 Individual：只覆盖 kwargs 中非 None 的字段；找不到返回 None。"""
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async with self.async_session_maker() as session:
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statement = select(BaseIndividualModel).where(
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BaseIndividualModel.agent_id == agent_id
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)
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results = await session.execute(statement)
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individual = results.scalar_one_or_none()
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if not individual:
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return None
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for key, value in kwargs.items():
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if value is not None:
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setattr(individual, key, value)
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session.add(individual)
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await session.commit()
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await session.refresh(individual)
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return individual
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@database_exception
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async def delete_worker_individual(self, agent_id: str) -> bool:
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"""删除 Individual；不存在返回 False，删除成功返回 True。
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``plugin_owned`` 不为空时拒绝删除（插件 agent 由插件生命周期管理，
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要清理该插件目录后由启动期兜底逻辑收回）。
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"""
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async with self.async_session_maker() as session:
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statement = select(BaseIndividualModel).where(
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BaseIndividualModel.agent_id == agent_id
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)
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results = await session.execute(statement)
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individual = results.scalar_one_or_none()
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if not individual:
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return False
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if individual.plugin_owned:
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raise BusinessError(
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f"agent {agent_id} 由插件 {individual.plugin_owned} 拥有，"
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f"不可删除（请改卸载插件）"
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)
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await session.delete(individual)
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await session.commit()
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return True
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@database_exception
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async def get_all_worker_individual(self):
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"""返回数据库中全部 Individual。"""
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async with self.async_session_maker() as session:
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statement = select(BaseIndividualModel)
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results = await session.execute(statement)
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return list(results.scalars().all())
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# ─── plugin_owned slot 专用 ─────────────────────────────────────
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@database_exception
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async def find_plugin_slot(self, plugin_name: str, slot_name: str):
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"""按 ``(plugin_owned, agent_name)`` 查 slot；返回 ORM 对象或 None。"""
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async with self.async_session_maker() as session:
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stmt = select(BaseIndividualModel).where(
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and_(
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BaseIndividualModel.plugin_owned == plugin_name,
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BaseIndividualModel.agent_name == slot_name,
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)
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)
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return (await session.execute(stmt)).scalar_one_or_none()
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@database_exception
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async def upsert_plugin_slot(
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self,
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plugin_name: str,
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slot_name: str,
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description: str,
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owner_id: str = "system",
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node_affinity: str = "cpu",
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):
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"""插件安装期登记一个 agent slot。
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slot 的 provider/model 留空，等用户在前端 Agent 页面装配。已存在则
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只刷新 description/node_affinity（用户自己装配的 provider+model 不被覆盖）。
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"""
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async with self.async_session_maker() as session:
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stmt = select(BaseIndividualModel).where(
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and_(
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BaseIndividualModel.plugin_owned == plugin_name,
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BaseIndividualModel.agent_name == slot_name,
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)
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)
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existing = (await session.execute(stmt)).scalar_one_or_none()
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if existing is not None:
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existing.description = description
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existing.node_affinity = node_affinity
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session.add(existing)
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await session.commit()
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await session.refresh(existing)
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return existing
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row = BaseIndividualModel(
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agent_id=str(ULID()),
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agent_name=slot_name,
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description=description,
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provider_title="",
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model_id="",
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owner_id=owner_id,
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agent_type="base",
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node_affinity=node_affinity,
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plugin_owned=plugin_name,
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)
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session.add(row)
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await session.commit()
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await session.refresh(row)
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return row
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@database_exception
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async def list_plugin_owned_names(self) -> List[str]:
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"""返回当前 DB 中所有出现过的 ``plugin_owned`` 值（去重）。"""
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async with self.async_session_maker() as session:
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stmt = select(BaseIndividualModel.plugin_owned).where(
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BaseIndividualModel.plugin_owned.is_not(None)
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).distinct()
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return [r for (r,) in (await session.execute(stmt)).all() if r]
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@database_exception
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async def delete_plugin_slots(self, plugin_name: str) -> int:
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"""删掉 ``plugin_owned == plugin_name`` 的所有 slot；返回被删条数。"""
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async with self.async_session_maker() as session:
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stmt = select(BaseIndividualModel).where(
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BaseIndividualModel.plugin_owned == plugin_name
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)
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rows = list((await session.execute(stmt)).scalars().all())
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for row in rows:
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await session.delete(row)
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await session.commit()
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return len(rows)
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