DB-GPT/dbgpt/serve/rag/serve.py
2024-03-18 18:29:27 +08:00

63 lines
1.9 KiB
Python

import logging
from typing import List, Optional, Union
from sqlalchemy import URL
from dbgpt.component import SystemApp
from dbgpt.serve.core import BaseServe
from dbgpt.storage.metadata import DatabaseManager
from .api.endpoints import init_endpoints, router
from .config import (
APP_NAME,
SERVE_APP_NAME,
SERVE_APP_NAME_HUMP,
SERVE_CONFIG_KEY_PREFIX,
)
logger = logging.getLogger(__name__)
class Serve(BaseServe):
"""Serve component for DB-GPT"""
name = SERVE_APP_NAME
def __init__(
self,
system_app: SystemApp,
api_prefix: Optional[str] = f"/api/v2/serve/knowledge",
api_tags: Optional[List[str]] = None,
db_url_or_db: Union[str, URL, DatabaseManager] = None,
try_create_tables: Optional[bool] = False,
):
if api_tags is None:
api_tags = [SERVE_APP_NAME_HUMP]
super().__init__(
system_app, api_prefix, api_tags, db_url_or_db, try_create_tables
)
self._db_manager: Optional[DatabaseManager] = None
def init_app(self, system_app: SystemApp):
if self._app_has_initiated:
return
self._system_app = system_app
self._system_app.app.include_router(
router, prefix=self._api_prefix, tags=self._api_tags
)
init_endpoints(self._system_app)
self._app_has_initiated = True
def on_init(self):
"""Called when init the application.
You can do some initialization here. You can't get other components here because they may be not initialized yet
"""
# import your own module here to ensure the module is loaded before the application starts
from .models.models import KnowledgeSpaceEntity
def before_start(self):
"""Called before the start of the application."""
# TODO: Your code here
self._db_manager = self.create_or_get_db_manager()