import asyncio from logging.config import fileConfig from alembic import context from database.engine import engine from database.models import Base # this is the Alembic Config object, which provides # access to the values within the .ini file in use. config = context.config # Interpret the config file for Python logging. # This line sets up loggers basically. if config.config_file_name is not None: fileConfig(config.config_file_name) target_metadata = Base.metadata def run_migrations_offline() -> None: """Run migrations in 'offline' mode. This configures the context with just a URL and not an Engine, though an Engine is acceptable here as well. By skipping the Engine creation we don't even need a DBAPI to be available. Calls to context.execute() here emit the given string to the script output. """ url = config.get_main_option("sqlalchemy.url") context.configure( url=url, target_metadata=target_metadata, literal_binds=True, dialect_opts={"paramstyle": "named"}, render_as_batch=True, ) with context.begin_transaction(): context.run_migrations() def do_run_migrations(connection): context.configure(connection=connection, target_metadata=target_metadata, render_as_batch=True) with context.begin_transaction(): context.run_migrations() async def run_migrations_online() -> None: """Run migrations in 'online' mode. In this scenario we need to create an Engine and associate a connection with the context. """ connectable = engine 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: # Wonky way to use the Pytest event loop instead of another one try: loop = asyncio.get_running_loop() if loop and loop.is_running(): loop.create_task(run_migrations_online()) except RuntimeError: asyncio.run(run_migrations_online())