67 lines
2 KiB
Python
67 lines
2 KiB
Python
"""Alembic environment (async)."""
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from __future__ import annotations
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import asyncio
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from alembic import context
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from sqlalchemy import pool
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from sqlalchemy.engine import Connection
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from sqlalchemy.ext.asyncio import async_engine_from_config
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from shonar.core.config import get_settings
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from shonar.db import models # noqa: F401 (register tables)
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from shonar.db.base import Base
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# NOTE: deliberately NO fileConfig(alembic.ini) here. fileConfig rewrites
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# the ROOT logger (alembic.ini sets it to WARN and disables existing
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# loggers), so calling it during the app's startup migration silently
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# muted every INFO line the engine and uvicorn emitted afterwards. The
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# app owns its logging config (shonar.main basicConfig); alembic.ini's
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# [loggers] sections only ever applied to standalone CLI runs, which work
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# fine with Python's default logging.
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config = context.config
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settings = get_settings()
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config.set_main_option("sqlalchemy.url", settings.database_url)
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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context.configure(
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url=settings.database_url,
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target_metadata=target_metadata,
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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)
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with context.begin_transaction():
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context.run_migrations()
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def do_run_migrations(connection: Connection) -> None:
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context.configure(connection=connection, target_metadata=target_metadata)
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with context.begin_transaction():
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context.run_migrations()
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async def run_async_migrations() -> None:
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connectable = async_engine_from_config(
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config.get_section(config.config_ini_section, {}),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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async with connectable.connect() as connection:
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await connection.run_sync(do_run_migrations)
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await connectable.dispose()
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def run_migrations_online() -> None:
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asyncio.run(run_async_migrations())
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if context.is_offline_mode():
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run_migrations_offline()
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else:
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run_migrations_online()
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