92 lines
2.4 KiB
Python

from __future__ import annotations
import asyncio
from logging.config import fileConfig
import os
from pathlib import Path
from sqlalchemy import pool
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
from alembic import context
# Add project root to sys.path for module imports
import sys
ROOT_DIR = Path(__file__).resolve().parents[1]
if str(ROOT_DIR) not in sys.path:
sys.path.insert(0, str(ROOT_DIR))
from app.models.database import Base, metadata_obj, DATABASE_URL # noqa: E402
# this is the Alembic Config object, which provides
# access to the values within the .ini file in use.
config = context.config
# Interpret the config file for Python logging.
if config.config_file_name is not None:
fileConfig(config.config_file_name)
# Override sqlalchemy.url from environment if provided
url_from_env = os.environ.get("DATABASE_URL")
if url_from_env:
config.set_main_option("sqlalchemy.url", url_from_env)
else:
config.set_main_option("sqlalchemy.url", str(DATABASE_URL))
# add your model's MetaData object here
# for 'autogenerate' support
# from myapp import mymodel
# target_metadata = mymodel.Base.metadata
target_metadata = metadata_obj
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"},
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()
def run_migrations_online() -> None:
"""Run migrations in 'online' mode."""
connectable = async_engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix="sqlalchemy.",
poolclass=pool.NullPool,
future=True,
)
async def async_main() -> None:
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
asyncio.run(async_main())
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()