import sys from pathlib import Path from alembic import context from sqlalchemy import engine_from_config, pool # Add app directory to path sys.path.insert(0, str(Path(__file__).parent.parent)) # Import models from app.db.base import Base from app.core.config import settings # Alembic Config object config = context.config # Set SQLAlchemy URL in Alembic config config.set_main_option("sqlalchemy.url", settings.SQLALCHEMY_DATABASE_URL) # Metadata for autogenerate support 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, compare_type=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, compare_type=True, render_as_batch=is_sqlite, # Enable batch mode for SQLite ) with context.begin_transaction(): context.run_migrations() if context.is_offline_mode(): run_migrations_offline() else: run_migrations_online()