Files
FabledSteward/fablednetmon/migrations/env.py
T

61 lines
1.8 KiB
Python

import asyncio
from logging.config import fileConfig
from sqlalchemy import pool
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
from alembic import context
from fablednetmon.models.base import Base
import fablednetmon.models # noqa: F401 — registers all models in metadata
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def get_url() -> str:
import os, yaml
cfg_path = os.environ.get("FABLEDNETMON_CONFIG", "config.yaml")
try:
with open(cfg_path) as f:
cfg = yaml.safe_load(f) or {}
url = cfg.get("database", {}).get("url", "")
except FileNotFoundError:
url = ""
return os.environ.get("FABLEDNETMON_DATABASE__URL", url)
def run_migrations_offline() -> None:
context.configure(
url=get_url(), target_metadata=target_metadata,
literal_binds=True, dialect_opts={"paramstyle": "named"},
)
with context.begin_transaction():
context.run_migrations()
def do_run_migrations(connection: Connection) -> None:
context.configure(connection=connection, target_metadata=target_metadata)
with context.begin_transaction():
context.run_migrations()
async def run_async_migrations() -> None:
cfg = config.get_section(config.config_ini_section, {})
cfg["sqlalchemy.url"] = get_url()
connectable = async_engine_from_config(cfg, prefix="sqlalchemy.", poolclass=pool.NullPool)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
def run_migrations_online() -> None:
asyncio.run(run_async_migrations())
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()