21 lines
677 B
Python
21 lines
677 B
Python
from __future__ import annotations
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from typing import TYPE_CHECKING
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from sqlalchemy.ext.asyncio import create_async_engine, async_sessionmaker, AsyncSession
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if TYPE_CHECKING:
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from quart import Quart
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def init_db(app: "Quart") -> None:
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"""Create async engine and attach db_sessionmaker to app.
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Called during create_app() after config is loaded.
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Does not create tables — Alembic handles migrations.
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"""
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db_url: str = app.config["DATABASE_URL"]
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engine = create_async_engine(db_url, echo=False)
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app.db_sessionmaker: async_sessionmaker[AsyncSession] = async_sessionmaker(
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engine, expire_on_commit=False
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)
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app._db_engine = engine
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