Alembic migrations for apistar

To Install this library

pip3 install apistar_alembic_migrations

Register the commands

from apistar_alembic_migrations import commands


app = App(
    routes=routes,
    settings=settings,
    commands=commands,  
    components=sqlalchemy_backend.components
)

To generation the initial migrations structure

apistar initialize

The following commands will become avaiable

apistar initialize

apistar create_revision "message"

apistar upgrade <"revision id" or Head for latest>

apistar downgrade "revision id"

Enabling auto generating of migrations from models

• open your env.py file in your migrations folder

• find the line that contains

target_metadata = None

• Import your Declartive Base variable and assign the metadata

from app import Base
target_metadata = Base.metadata