mirror of
https://github.com/open-webui/open-webui
synced 2024-11-07 17:19:53 +00:00
61 lines
1.7 KiB
Python
61 lines
1.7 KiB
Python
import os
|
|
import logging
|
|
import json
|
|
from contextlib import contextmanager
|
|
from typing import Optional, Any
|
|
from typing_extensions import Self
|
|
|
|
from sqlalchemy import create_engine, types, Dialect
|
|
from sqlalchemy.ext.declarative import declarative_base
|
|
from sqlalchemy.orm import sessionmaker, scoped_session
|
|
from sqlalchemy.sql.type_api import _T
|
|
|
|
from config import SRC_LOG_LEVELS, DATA_DIR, DATABASE_URL, BACKEND_DIR
|
|
|
|
log = logging.getLogger(__name__)
|
|
log.setLevel(SRC_LOG_LEVELS["DB"])
|
|
|
|
|
|
class JSONField(types.TypeDecorator):
|
|
impl = types.Text
|
|
cache_ok = True
|
|
|
|
def process_bind_param(self, value: Optional[_T], dialect: Dialect) -> Any:
|
|
return json.dumps(value)
|
|
|
|
def process_result_value(self, value: Optional[_T], dialect: Dialect) -> Any:
|
|
if value is not None:
|
|
return json.loads(value)
|
|
|
|
def copy(self, **kw: Any) -> Self:
|
|
return JSONField(self.impl.length)
|
|
|
|
def db_value(self, value):
|
|
return json.dumps(value)
|
|
|
|
def python_value(self, value):
|
|
if value is not None:
|
|
return json.loads(value)
|
|
|
|
|
|
# Check if the file exists
|
|
if os.path.exists(f"{DATA_DIR}/ollama.db"):
|
|
# Rename the file
|
|
os.rename(f"{DATA_DIR}/ollama.db", f"{DATA_DIR}/webui.db")
|
|
log.info("Database migrated from Ollama-WebUI successfully.")
|
|
else:
|
|
pass
|
|
|
|
SQLALCHEMY_DATABASE_URL = DATABASE_URL
|
|
if "sqlite" in SQLALCHEMY_DATABASE_URL:
|
|
engine = create_engine(
|
|
SQLALCHEMY_DATABASE_URL, connect_args={"check_same_thread": False}
|
|
)
|
|
else:
|
|
engine = create_engine(SQLALCHEMY_DATABASE_URL, pool_pre_ping=True)
|
|
SessionLocal = sessionmaker(
|
|
autocommit=False, autoflush=False, bind=engine, expire_on_commit=False
|
|
)
|
|
Base = declarative_base()
|
|
Session = scoped_session(SessionLocal)
|