Files
ai-video-fullstack/backend/migrations/env.py
Xin Wang 03b532dd09 Implement Alembic for database migrations and update FastAPI initialization
- Integrate Alembic for managing database schema migrations, replacing the previous SQL schema management.
- Update the FastAPI application to synchronize interface definitions at startup.
- Modify the Docker Compose command to run Alembic migrations before starting the API.
- Enhance the Makefile with new commands for database migration and revision management.
- Remove outdated SQL schema and seed files, transitioning to a more dynamic migration approach.
- Add initial migration scripts and configuration for Alembic, ensuring a structured database evolution.
2026-07-09 16:29:10 +08:00

75 lines
1.6 KiB
Python

from __future__ import annotations
from logging.config import fileConfig
from alembic import context
from sqlalchemy import pool
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
import config as app_config
from db.models import Base
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def get_url() -> str:
return app_config.DATABASE_URL
def run_migrations_offline() -> None:
context.configure(
url=get_url(),
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
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()
async def run_async_migrations() -> None:
configuration = config.get_section(config.config_ini_section, {})
configuration["sqlalchemy.url"] = get_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:
import asyncio
asyncio.run(run_async_migrations())
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()