70 lines
1.8 KiB
Python
70 lines
1.8 KiB
Python
"""Alembic environment file."""
|
|
|
|
import asyncio
|
|
from logging.config import fileConfig
|
|
|
|
from alembic import context
|
|
from sqlalchemy.engine import Connection
|
|
|
|
from spoolman.database.database import Database, get_connection_url
|
|
from spoolman.database.models import Base
|
|
|
|
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.
|
|
|
|
This configures the context with just a URL
|
|
and not an Engine, though an Engine is acceptable
|
|
here as well. By skipping the Engine creation
|
|
we don't even need a DBAPI to be available.
|
|
|
|
Calls to context.execute() here emit the given string to the
|
|
script output.
|
|
|
|
"""
|
|
context.configure(
|
|
url=get_connection_url(),
|
|
target_metadata=target_metadata,
|
|
literal_binds=True,
|
|
dialect_opts={"paramstyle": "named"},
|
|
render_as_batch=True,
|
|
)
|
|
|
|
with context.begin_transaction():
|
|
context.run_migrations()
|
|
|
|
|
|
def do_run_migrations(connection: Connection) -> None:
|
|
"""Run migrations in 'online' mode."""
|
|
context.configure(connection=connection, target_metadata=target_metadata)
|
|
|
|
with context.begin_transaction():
|
|
context.run_migrations()
|
|
|
|
|
|
async def run_async_migrations() -> None:
|
|
"""In this scenario we need to create an Engine and associate a connection with the context."""
|
|
db = Database(get_connection_url())
|
|
db.connect()
|
|
|
|
if db.engine is None:
|
|
raise RuntimeError("Engine not created.")
|
|
|
|
async with db.engine.connect() as connection:
|
|
await connection.run_sync(do_run_migrations)
|
|
|
|
await db.engine.dispose()
|
|
|
|
|
|
if context.is_offline_mode():
|
|
run_migrations_offline()
|
|
else:
|
|
asyncio.run(run_async_migrations())
|