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			110 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
			
		
		
	
	
			110 lines
		
	
	
		
			3.2 KiB
		
	
	
	
		
			Python
		
	
	
	
	
	
from typing import Any
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import sqlalchemy as sa
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import mealie.db.models._all_models  # noqa: F401
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from alembic import context
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from mealie.core.config import get_app_settings
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from mealie.db.models._model_base import SqlAlchemyBase
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# this is the Alembic Config object, which provides
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# access to the values within the .ini file in use.
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config = context.config
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# add your model's MetaData object here
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# for 'autogenerate' support
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# from myapp import mymodel
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# target_metadata = mymodel.Base.metadata
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target_metadata = SqlAlchemyBase.metadata
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# other values from the config, defined by the needs of env.py,
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# can be acquired:
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# my_important_option = config.get_main_option("my_important_option")
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# ... etc.
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# Set DB url from config
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settings = get_app_settings()
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if not settings.DB_URL:
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    raise Exception("DB URL not set in config")
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config.set_main_option("sqlalchemy.url", settings.DB_URL.replace("%", "%%"))
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def include_object(object: Any, name: str, type_: str, reflected: bool, compare_to: Any):
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    # skip dropping food/unit unique constraints; they are defined manually so alembic doesn't see them
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    # see: revision dded3119c1fe
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    if type_ == "unique_constraint" and name == "ingredient_foods_name_group_id_key" and compare_to is None:
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        return False
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    if type_ == "unique_constraint" and name == "ingredient_units_name_group_id_key" and compare_to is None:
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        return False
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    # skip changing the quantity column in recipes_ingredients; it's a float on postgres, but an integer on sqlite
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    # see: revision 263dd6707191
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    if (
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        type_ == "column"
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        and name == "quantity"
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        and object.table.name == "recipes_ingredients"
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        and hasattr(compare_to, "type")
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        and isinstance(compare_to.type, sa.Integer)
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    ):
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        return False
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    return True
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def run_migrations_offline():
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    """Run migrations in 'offline' mode.
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    This configures the context with just a URL
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    and not an Engine, though an Engine is acceptable
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    here as well.  By skipping the Engine creation
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    we don't even need a DBAPI to be available.
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    Calls to context.execute() here emit the given string to the
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    script output.
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    """
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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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    )
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    with context.begin_transaction():
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        context.run_migrations()
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def run_migrations_online():
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    """Run migrations in 'online' mode.
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    In this scenario we need to create an Engine
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    and associate a connection with the context.
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    """
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    connectable = sa.engine_from_config(
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        config.get_section(config.config_ini_section),
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        prefix="sqlalchemy.",
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        poolclass=sa.pool.NullPool,
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    )
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    with connectable.connect() as connection:
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        context.configure(
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            connection=connection,
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            target_metadata=target_metadata,
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            user_module_prefix="mealie.db.migration_types.",
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            render_as_batch=True,
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            include_object=include_object,
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        )
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        with context.begin_transaction():
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            context.run_migrations()
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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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    run_migrations_online()
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