fire-planner/alembic/env.py
2026-05-07 17:06:19 +00:00

61 lines
1.8 KiB
Python

import asyncio
import os
from logging.config import fileConfig
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
from alembic import context
from fire_planner.db import SCHEMA_NAME, Base
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
db_url = os.environ.get("DB_CONNECTION_STRING")
if db_url:
config.set_main_option("sqlalchemy.url", db_url)
target_metadata = Base.metadata
def do_run_migrations(connection: Connection) -> None:
# Alembic's version_table lives inside SCHEMA_NAME, so the schema must
# exist before context.configure() tries to create alembic_version.
connection.exec_driver_sql(f'CREATE SCHEMA IF NOT EXISTS "{SCHEMA_NAME}"')
context.configure(
connection=connection,
target_metadata=target_metadata,
version_table_schema=SCHEMA_NAME,
include_schemas=True,
)
with context.begin_transaction():
context.run_migrations()
async def run_migrations_online() -> None:
configuration = config.get_section(config.config_ini_section, {})
connectable = async_engine_from_config(configuration, prefix="sqlalchemy.")
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connection.commit()
await connectable.dispose()
def run_migrations_offline() -> None:
context.configure(
url=config.get_main_option("sqlalchemy.url"),
target_metadata=target_metadata,
literal_binds=True,
version_table_schema=SCHEMA_NAME,
include_schemas=True,
dialect_opts={"paramstyle": "named"},
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
asyncio.run(run_migrations_online())