84 lines
2.1 KiB
Python
84 lines
2.1 KiB
Python
|
import asyncio
|
||
|
|
from logging.config import fileConfig
|
||
|
|
|
||
|
|
from sqlalchemy import engine_from_config
|
||
|
|
from sqlalchemy import pool
|
||
|
|
|
||
|
|
from alembic import context
|
||
|
|
|
||
|
|
# 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.
|
||
|
|
# This line sets up loggers basically.
|
||
|
|
if config.config_file_name is not None:
|
||
|
|
fileConfig(config.config_file_name)
|
||
|
|
|
||
|
|
# add your model's MetaData object here
|
||
|
|
# for 'autogenerate' support
|
||
|
|
# from myapp import mymodel
|
||
|
|
# target_metadata = mymodel.Base.metadata
|
||
|
|
target_metadata = None
|
||
|
|
|
||
|
|
# other values from the config, defined by the needs of env.py,
|
||
|
|
# can be acquired:
|
||
|
|
# my_important_option = config.get_main_option("my_important_option")
|
||
|
|
# ... etc.
|
||
|
|
|
||
|
|
|
||
|
|
def do_run_migrations(connection):
|
||
|
|
context.configure(connection=connection, target_metadata=target_metadata)
|
||
|
|
|
||
|
|
with context.begin_transaction():
|
||
|
|
context.run_migrations()
|
||
|
|
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
"""
|
||
|
|
from obs.api.app import app
|
||
|
|
|
||
|
|
url = app.config.POSTGRES_URL
|
||
|
|
context.configure(
|
||
|
|
url=url,
|
||
|
|
target_metadata=target_metadata,
|
||
|
|
literal_binds=True,
|
||
|
|
dialect_opts={"paramstyle": "named"},
|
||
|
|
)
|
||
|
|
|
||
|
|
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.
|
||
|
|
|
||
|
|
"""
|
||
|
|
from obs.api.app import app, connect_db
|
||
|
|
|
||
|
|
url = app.config.POSTGRES_URL
|
||
|
|
async with connect_db(url) as engine:
|
||
|
|
async with engine.connect() as connection:
|
||
|
|
await connection.run_sync(do_run_migrations)
|
||
|
|
|
||
|
|
await engine.dispose()
|
||
|
|
|
||
|
|
|
||
|
|
if context.is_offline_mode():
|
||
|
|
run_migrations_offline()
|
||
|
|
else:
|
||
|
|
asyncio.run(run_migrations_online())
|