Files
LangBot/pkg/api/http/service/model.py
2025-05-10 18:04:58 +08:00

81 lines
2.9 KiB
Python

from __future__ import annotations
import uuid
import sqlalchemy
from ....core import app
from ....entity.persistence import model as persistence_model
from ....entity.persistence import pipeline as persistence_pipeline
class ModelsService:
ap: app.Application
def __init__(self, ap: app.Application) -> None:
self.ap = ap
async def get_llm_models(self) -> list[dict]:
result = await self.ap.persistence_mgr.execute_async(sqlalchemy.select(persistence_model.LLMModel))
models = result.all()
return [self.ap.persistence_mgr.serialize_model(persistence_model.LLMModel, model) for model in models]
async def create_llm_model(self, model_data: dict) -> str:
model_data['uuid'] = str(uuid.uuid4())
await self.ap.persistence_mgr.execute_async(sqlalchemy.insert(persistence_model.LLMModel).values(**model_data))
llm_model = await self.get_llm_model(model_data['uuid'])
await self.ap.model_mgr.load_llm_model(llm_model)
# check if default pipeline has no model bound
result = await self.ap.persistence_mgr.execute_async(
sqlalchemy.select(persistence_pipeline.LegacyPipeline).where(
persistence_pipeline.LegacyPipeline.is_default == True
)
)
pipeline = result.first()
if pipeline is not None and pipeline.config['ai']['local-agent']['model'] == '':
pipeline_config = pipeline.config
pipeline_config['ai']['local-agent']['model'] = model_data['uuid']
pipeline_data = {'config': pipeline_config}
await self.ap.pipeline_service.update_pipeline(pipeline.uuid, pipeline_data)
return model_data['uuid']
async def get_llm_model(self, model_uuid: str) -> dict | None:
result = await self.ap.persistence_mgr.execute_async(
sqlalchemy.select(persistence_model.LLMModel).where(persistence_model.LLMModel.uuid == model_uuid)
)
model = result.first()
if model is None:
return None
return self.ap.persistence_mgr.serialize_model(persistence_model.LLMModel, model)
async def update_llm_model(self, model_uuid: str, model_data: dict) -> None:
if 'uuid' in model_data:
del model_data['uuid']
await self.ap.persistence_mgr.execute_async(
sqlalchemy.update(persistence_model.LLMModel)
.where(persistence_model.LLMModel.uuid == model_uuid)
.values(**model_data)
)
await self.ap.model_mgr.remove_llm_model(model_uuid)
llm_model = await self.get_llm_model(model_uuid)
await self.ap.model_mgr.load_llm_model(llm_model)
async def delete_llm_model(self, model_uuid: str) -> None:
await self.ap.persistence_mgr.execute_async(
sqlalchemy.delete(persistence_model.LLMModel).where(persistence_model.LLMModel.uuid == model_uuid)
)
await self.ap.model_mgr.remove_llm_model(model_uuid)