Update aiogram 3 template

migrations/env.py

@@ -0,0 +1,79 @@
+# - *- coding: utf- 8 - *-
+import asyncio
+from contextlib import AbstractAsyncContextManager
+from logging.config import fileConfig
+
+from alembic import context
+from sqlalchemy import pool
+from sqlalchemy.engine import Connection
+from sqlalchemy.ext.asyncio import AsyncConnection, AsyncEngine, async_engine_from_config
+
+from tgbot.database.core import Base
+
+# Импортируем модели, чтобы Alembic видел все таблицы
+import tgbot.database  # noqa: F401
+
+config = context.config
+
+if config.config_file_name is not None:
+    fileConfig(config.config_file_name)
+
+target_metadata = Base.metadata
+
+
+# Настройка миграций без подключения к базе
+def run_migrations_offline() -> None:
+    url = config.get_main_option("sqlalchemy.url")
+
+    context.configure(
+        url=url,
+        target_metadata=target_metadata,
+        literal_binds=True,
+        dialect_opts={"paramstyle": "named"},
+        compare_type=True,
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+# Настройка миграций поверх готового соединения
+def do_run_migrations(connection: Connection) -> None:
+    context.configure(
+        connection=connection,
+        target_metadata=target_metadata,
+        compare_type=True,
+    )
+
+    with context.begin_transaction():
+        context.run_migrations()
+
+
+# Создаем async-engine и передаем Alembic синхронное соединение внутри run_sync
+async def run_async_migrations() -> None:
+    connectable = async_engine_from_config(
+        config.get_section(config.config_ini_section, {}),
+        prefix="sqlalchemy.",
+        poolclass=pool.NullPool,
+    )
+
+    async with connectable_context(connectable) as connection:
+        await connection.run_sync(do_run_migrations)
+
+    await connectable.dispose()
+
+
+# Отдельная обертка помогает IDE правильно определить async context manager
+def connectable_context(connectable: AsyncEngine) -> AbstractAsyncContextManager[AsyncConnection]:
+    return connectable.connect()
+
+
+if context.is_offline_mode():
+    run_migrations_offline()
+else:
+    external_connection = config.attributes.get("connection")
+
+    if external_connection is not None:
+        do_run_migrations(external_connection)
+    else:
+        asyncio.run(run_async_migrations())