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58 lines
1.4 KiB
Python
58 lines
1.4 KiB
Python
from __future__ import annotations
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import asyncio
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import datetime
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import sqlalchemy.ext.asyncio as sqlalchemy_asyncio
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import sqlalchemy
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from . import database
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from .entities import user, base
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from ..core import app
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from .databases import sqlite
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class PersistenceManager:
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"""持久化模块管理器"""
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ap: app.Application
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db: database.BaseDatabaseManager
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"""数据库管理器"""
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meta: sqlalchemy.MetaData
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def __init__(self, ap: app.Application):
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self.ap = ap
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self.meta = base.Base.metadata
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async def initialize(self):
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for manager in database.preregistered_managers:
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self.db = manager(self.ap)
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await self.db.initialize()
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await self.create_tables()
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async def create_tables(self):
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# TODO: 对扩展友好
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# 日志
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async with self.get_db_engine().connect() as conn:
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await conn.run_sync(self.meta.create_all)
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await conn.commit()
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async def execute_async(
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self,
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*args,
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**kwargs
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) -> sqlalchemy.engine.cursor.CursorResult:
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async with self.get_db_engine().connect() as conn:
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result = await conn.execute(*args, **kwargs)
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await conn.commit()
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return result
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def get_db_engine(self) -> sqlalchemy_asyncio.AsyncEngine:
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return self.db.get_engine()
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