from logging.config import fileConfig from alembic import context from app.core.database import Base # Import all models so they are registered with SQLAlchemy import app.models.user # noqa from sqlalchemy import engine_from_config, pool # This is the Alembic Config object config = context.config # Interpret the config file for Python logging. if config.config_file_name is not None: fileConfig(config.config_file_name) # Add your model's MetaData here target_metadata = Base.metadata def run_migrations_offline(): """Run migrations in 'offline' mode.""" url = config.get_main_option("sqlalchemy.url") context.configure( url=url, target_metadata=target_metadata, literal_binds=True, dialect_opts={"paramstyle": "named"}, # For SQLite, use batch mode for table alterations render_as_batch=True, ) with context.begin_transaction(): context.run_migrations() def run_migrations_online(): """Run migrations in 'online' mode.""" connectable = engine_from_config( config.get_section(config.config_ini_section), prefix="sqlalchemy.", poolclass=pool.NullPool, ) with connectable.connect() as connection: is_sqlite = connection.dialect.name == "sqlite" context.configure( connection=connection, target_metadata=target_metadata, # For SQLite, use batch mode for table alterations render_as_batch=is_sqlite, ) with context.begin_transaction(): context.run_migrations() if context.is_offline_mode(): run_migrations_offline() else: run_migrations_online()