itcloud/backend/alembic/env.py

88 lines
2.3 KiB
Python

"""Alembic environment configuration."""
import asyncio
from logging.config import fileConfig
from sqlalchemy import pool
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
from alembic import context
# Import your models here
from app.domain.models import Base
from app.infra.config import get_settings
# this is the Alembic Config object
config = context.config
# Interpret the config file for Python logging
if config.config_file_name is not None:
fileConfig(config.config_file_name)
# Get database URL from settings
settings = get_settings()
import os
db_url = os.environ.get("DATABASE_URL")
if not db_url:
raise RuntimeError("DATABASE_URL is not set")
# Alembic sync-only URL
db_url = db_url.replace("sqlite+aiosqlite://", "sqlite:///")
db_url = db_url.replace("postgresql+asyncpg://", "postgresql://")
config.set_main_option("sqlalchemy.url", db_url)
# Add your model's MetaData object here for 'autogenerate' support
target_metadata = Base.metadata
def run_migrations_offline() -> None:
"""Run migrations in 'offline' mode."""
url = config.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 do_run_migrations(connection: Connection) -> None:
"""Run migrations with connection."""
context.configure(connection=connection, target_metadata=target_metadata)
with context.begin_transaction():
context.run_migrations()
async def run_async_migrations() -> None:
"""Run migrations in async mode."""
configuration = config.get_section(config.config_ini_section)
configuration["sqlalchemy.url"] = settings.database_url
connectable = async_engine_from_config(
configuration,
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
def run_migrations_online() -> None:
"""Run migrations in 'online' mode."""
asyncio.run(run_async_migrations())
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()