hku-class/backend/alembic/env.py
2026-04-27 09:55:22 +08:00

64 lines
1.7 KiB
Python

import asyncio
import sys
from pathlib import Path
from logging.config import fileConfig
from alembic import context
from sqlalchemy import pool
from sqlalchemy.ext.asyncio import async_engine_from_config
BASE_DIR = Path(__file__).resolve().parent.parent
if str(BASE_DIR) not in sys.path:
sys.path.insert(0, str(BASE_DIR))
from app.config import settings
from app.db.base import Base
from app.db import models as _models # noqa: F401 ensure all models registered
config = context.config
config.set_main_option("sqlalchemy.url", settings.database_url)
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def run_migrations_offline() -> None:
url = config.get_main_option("sqlalchemy.url")
context.configure(
url=url,
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
)
with context.begin_transaction():
context.run_migrations()
def do_run_migrations(connection):
context.configure(connection=connection, target_metadata=target_metadata)
with context.begin_transaction():
context.run_migrations()
async def run_async_migrations() -> None:
connectable = async_engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
def run_migrations_online() -> None:
asyncio.run(run_async_migrations())
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()