2022-05-22 15:07:40 +02:00

61 lines
1.5 KiB
Python

import asyncio
import os
import sys
from alembic import context
from sqlalchemy.ext.asyncio import create_async_engine
parent_dir = os.path.abspath(os.path.join(os.getcwd()))
sys.path.append(parent_dir)
from the_app.models.base import Base as app_base
target_metadata = app_base.metadata
def run_migrations_offline():
"""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.
"""
url = f"postgresql+asyncpg://user:secret@db:5432/devdb"
context.configure(url=url, target_metadata=target_metadata, literal_binds=True)
with context.begin_transaction():
context.run_migrations()
def do_run_migrations(connection):
context.configure(connection=connection, target_metadata=target_metadata)
with context.begin_transaction():
context.run_migrations()
async def run_migrations_online():
"""Run migrations in 'online' mode.
In this scenario we need to create an Engine
and associate a connection with the context.
"""
url = f"postgresql+asyncpg://user:secret@db:5432/devdb"
connectable = create_async_engine(url)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
if context.is_offline_mode():
run_migrations_offline()
else:
asyncio.run(run_migrations_online())