81 lines
2.3 KiB
Python
81 lines
2.3 KiB
Python
|
from logging.config import fileConfig
|
||
|
|
|
||
|
|
from sqlalchemy import pool
|
||
|
|
from sqlalchemy import engine_from_config
|
||
|
|
|
||
|
|
from alembic import context
|
||
|
|
|
||
|
|
# Import Base and models so Alembic can see all tables for autogenerate.
|
||
|
|
from app.db import Base
|
||
|
|
import app.models # noqa: F401 — registers Box, Item, SubItem on Base.metadata
|
||
|
|
|
||
|
|
config = context.config
|
||
|
|
|
||
|
|
# Dynamically set sqlalchemy.url from app config (not hardcoded in alembic.ini).
|
||
|
|
# When called programmatically via app.migrate.run_migrations(), the URL is
|
||
|
|
# already set on the Config object — respect it. Fall back to get_settings()
|
||
|
|
# only when invoked from the ``alembic`` CLI.
|
||
|
|
from app.config import get_settings
|
||
|
|
|
||
|
|
if not config.get_main_option("sqlalchemy.url"):
|
||
|
|
settings = get_settings()
|
||
|
|
config.set_main_option("sqlalchemy.url", settings.database_url)
|
||
|
|
|
||
|
|
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.
|
||
|
|
"""
|
||
|
|
url = config.get_main_option("sqlalchemy.url")
|
||
|
|
context.configure(
|
||
|
|
url=url,
|
||
|
|
target_metadata=target_metadata,
|
||
|
|
literal_binds=True,
|
||
|
|
dialect_opts={"paramstyle": "named"},
|
||
|
|
render_as_batch=True,
|
||
|
|
)
|
||
|
|
|
||
|
|
with context.begin_transaction():
|
||
|
|
context.run_migrations()
|
||
|
|
|
||
|
|
|
||
|
|
def run_migrations_online() -> None:
|
||
|
|
"""Run migrations in 'online' mode.
|
||
|
|
|
||
|
|
In this scenario we need to create an Engine
|
||
|
|
and associate a connection with the context.
|
||
|
|
"""
|
||
|
|
connectable = engine_from_config(
|
||
|
|
config.get_section(config.config_ini_section, {}),
|
||
|
|
prefix="sqlalchemy.",
|
||
|
|
poolclass=pool.NullPool,
|
||
|
|
)
|
||
|
|
|
||
|
|
with connectable.connect() as connection:
|
||
|
|
context.configure(
|
||
|
|
connection=connection,
|
||
|
|
target_metadata=target_metadata,
|
||
|
|
render_as_batch=True,
|
||
|
|
)
|
||
|
|
|
||
|
|
with context.begin_transaction():
|
||
|
|
context.run_migrations()
|
||
|
|
|
||
|
|
|
||
|
|
if context.is_offline_mode():
|
||
|
|
run_migrations_offline()
|
||
|
|
else:
|
||
|
|
run_migrations_online()
|