Files
g2s-aggregator/alembic/env.py
T
2026-04-18 00:33:45 +03:00

67 lines
1.7 KiB
Python

"""Alembic async migration environment."""
from asyncio import run
from logging.config import fileConfig
from alembic import context
from sqlalchemy import pool
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
from app.config import get_settings
from app.repositories.order.models import Base
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def _database_url() -> str:
configured_url = config.get_main_option("sqlalchemy.url")
if configured_url:
return configured_url
return get_settings().postgres.dsn
def run_migrations_offline() -> None:
context.configure(
url=_database_url(),
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
)
with context.begin_transaction():
context.run_migrations()
def do_run_migrations(connection: Connection) -> None:
context.configure(connection=connection, target_metadata=target_metadata)
with context.begin_transaction():
context.run_migrations()
async def run_async_migrations() -> None:
configuration = config.get_section(config.config_ini_section, {})
configuration["sqlalchemy.url"] = _database_url()
connectable = async_engine_from_config(
configuration,
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
if context.is_offline_mode():
run_migrations_offline()
else:
run(run_async_migrations())