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m.makarov
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FastAPI
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backend/app/migrations/env.py
52 строки
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Maks
Docker работает, фронт связан и беком
22 дек 2025, 15:50
22 дек 2025, 15:50
b399e1e
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# backend/app/migrations/env.py import asyncio import os from logging.config import fileConfig from sqlalchemy import pool from sqlalchemy.engine import Connection from sqlalchemy.ext.asyncio import create_async_engine from alembic import context from app.database import Base # this is the Alembic Config object config = context.config if config.config_file_name is not None: fileConfig(config.config_file_name) target_metadata = Base.metadata def run_migrations_offline() -> None: """Run migrations in 'offline' mode.""" raise NotImplementedError("Offline migrations are not supported in this async setup") def do_run_migrations(connection: Connection) -> None: context.configure(connection=connection, target_metadata=target_metadata) with context.begin_transaction(): context.run_migrations() async def run_async_migrations() -> None: # Получаем URL из переменной окружения database_url = os.getenv("DATABASE_URL") if not database_url: raise ValueError("DATABASE_URL environment variable is not set") connectable = create_async_engine( database_url, poolclass=pool.NullPool, ) async with connectable.connect() as connection: await connection.run_sync(do_run_migrations) await connectable.dispose() def run_migrations_online() -> None: asyncio.run(run_async_migrations()) if context.is_offline_mode(): run_migrations_offline() else: run_migrations_online()