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