trymeapp/alembic/env.py

62 lines
1.6 KiB
Python

from __future__ import annotations
from logging.config import fileConfig
from alembic import context
from sqlalchemy import engine_from_config, pool
import app.models # noqa: F401
from app.config import Settings
from app.database import Base
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
# Always resolve runtime Settings() so DATABASE_URL env overrides take precedence
runtime_settings = Settings()
config.set_main_option("sqlalchemy.url", runtime_settings.database_url)
target_metadata = Base.metadata
def run_migrations_offline() -> None:
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=url.startswith("sqlite") if url else False,
)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
section = config.get_section(config.config_ini_section, {})
url = section.get("sqlalchemy.url", "")
connectable = engine_from_config(
section,
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
with connectable.connect() as connection:
context.configure(
connection=connection,
target_metadata=target_metadata,
render_as_batch=url.startswith("sqlite"),
)
with context.begin_transaction():
context.run_migrations()
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()