alembic/env.py - master - tsps/core

alembic/env.py
76 строк2 KB
Василий Петров
Переименование env-переменных по стандартам
16 янв 2026, 12:41
16 янв 2026, 12:41ddff2d6
from logging.config import fileConfig

from sqlalchemy import engine_from_config
from sqlalchemy import pool

from alembic import context

from app.core.config import config
from app.database import Base
# Импортируем модели для миграций
import app.models 

# Alembic config
config_alembic = context.config

# логирование
if config_alembic.config_file_name is not None:
    fileConfig(config_alembic.config_file_name)

# Устанавливаем URL из наших настроек
config_alembic.set_main_option("sqlalchemy.url", config.DATABASE_URL)

# Метаданные моделей — нужно для autogenerate
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_alembic.get_main_option("sqlalchemy.url")
    context.configure(
        url=url,
        target_metadata=target_metadata,
        literal_binds=True,
        dialect_opts={"paramstyle": "named"},
    )

    with context.begin_transaction():
        context.run_migrations()


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_from_config(
        config_alembic.get_section(config_alembic.config_ini_section, {}),
        prefix="sqlalchemy.",
        poolclass=pool.NullPool,
    )

    with connectable.connect() as connection:
        context.configure(
            connection=connection, target_metadata=target_metadata
        )

        with context.begin_transaction():
            context.run_migrations()


if context.is_offline_mode():
    run_migrations_offline()
else:
    run_migrations_online()