70 lines
1.8 KiB
Python
70 lines
1.8 KiB
Python
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"""Alembic environment configuration for async SQLAlchemy."""
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import asyncio
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy.ext.asyncio import create_async_engine
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from app.core.config import settings
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from app.db.base import Base
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# Import all models so they are registered on Base.metadata
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import app.models # noqa: F401
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# Alembic Config object
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config = context.config
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# Set the SQLAlchemy URL from our application settings
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config.set_main_option("sqlalchemy.url", settings.DATABASE_URL)
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# Interpret the config file for Python logging
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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# Target metadata for autogenerate
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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"""Run migrations in 'offline' mode."""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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render_as_batch=True, # Required for SQLite ALTER TABLE support
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)
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with context.begin_transaction():
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context.run_migrations()
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def do_run_migrations(connection):
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"""Execute migrations in a synchronous context."""
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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render_as_batch=True,
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)
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with context.begin_transaction():
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context.run_migrations()
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async def run_async_migrations() -> None:
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"""Create async engine and run migrations using run_sync."""
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connectable = create_async_engine(settings.DATABASE_URL)
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async with connectable.connect() as connection:
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await connection.run_sync(do_run_migrations)
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await connectable.dispose()
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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asyncio.run(run_async_migrations())
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