mirror of
https://github.com/open-webui/open-webui
synced 2024-11-16 13:40:55 +00:00
67 lines
2.0 KiB
Python
67 lines
2.0 KiB
Python
import logging
|
|
from contextvars import ContextVar
|
|
|
|
from env import SRC_LOG_LEVELS
|
|
from peewee import *
|
|
from peewee import InterfaceError as PeeWeeInterfaceError
|
|
from peewee import PostgresqlDatabase
|
|
from playhouse.db_url import connect, parse
|
|
from playhouse.shortcuts import ReconnectMixin
|
|
|
|
log = logging.getLogger(__name__)
|
|
log.setLevel(SRC_LOG_LEVELS["DB"])
|
|
|
|
db_state_default = {"closed": None, "conn": None, "ctx": None, "transactions": None}
|
|
db_state = ContextVar("db_state", default=db_state_default.copy())
|
|
|
|
|
|
class PeeweeConnectionState(object):
|
|
def __init__(self, **kwargs):
|
|
super().__setattr__("_state", db_state)
|
|
super().__init__(**kwargs)
|
|
|
|
def __setattr__(self, name, value):
|
|
self._state.get()[name] = value
|
|
|
|
def __getattr__(self, name):
|
|
value = self._state.get()[name]
|
|
return value
|
|
|
|
|
|
class CustomReconnectMixin(ReconnectMixin):
|
|
reconnect_errors = (
|
|
# psycopg2
|
|
(OperationalError, "termin"),
|
|
(InterfaceError, "closed"),
|
|
# peewee
|
|
(PeeWeeInterfaceError, "closed"),
|
|
)
|
|
|
|
|
|
class ReconnectingPostgresqlDatabase(CustomReconnectMixin, PostgresqlDatabase):
|
|
pass
|
|
|
|
|
|
def register_connection(db_url):
|
|
db = connect(db_url, unquote_password=True)
|
|
if isinstance(db, PostgresqlDatabase):
|
|
# Enable autoconnect for SQLite databases, managed by Peewee
|
|
db.autoconnect = True
|
|
db.reuse_if_open = True
|
|
log.info("Connected to PostgreSQL database")
|
|
|
|
# Get the connection details
|
|
connection = parse(db_url, unquote_password=True)
|
|
|
|
# Use our custom database class that supports reconnection
|
|
db = ReconnectingPostgresqlDatabase(**connection)
|
|
db.connect(reuse_if_open=True)
|
|
elif isinstance(db, SqliteDatabase):
|
|
# Enable autoconnect for SQLite databases, managed by Peewee
|
|
db.autoconnect = True
|
|
db.reuse_if_open = True
|
|
log.info("Connected to SQLite database")
|
|
else:
|
|
raise ValueError("Unsupported database connection")
|
|
return db
|