94 lines
2.4 KiB
Python
94 lines
2.4 KiB
Python
from __future__ import annotations
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import asyncio
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from logging.config import fileConfig
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from typing import Any
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from alembic import context
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from common.config import settings
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from common.db.models.operations import OperationsBase
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from sqlalchemy import Connection, pool
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from sqlalchemy.ext.asyncio import async_engine_from_config
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config = context.config
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if config.config_file_name is not None:
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fileConfig(config.config_file_name)
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target_metadata = OperationsBase.metadata
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def database_url() -> str:
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value = settings.operations_database_url
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if not value:
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raise RuntimeError("OPERATIONS_DATABASE_URL is required")
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return value
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def include_object(
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obj: Any,
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name: str | None,
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type_: str,
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reflected: bool,
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compare_to: Any,
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) -> bool:
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"""Protect audited ops tables not yet represented in the P0 ORM subset."""
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if type_ == "table" and reflected and compare_to is None:
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return False
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return type_ != "table" or bool(name and name.startswith("ops_"))
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def configure_context(*, connection: Connection | None = None) -> None:
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options = {
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"target_metadata": target_metadata,
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"compare_type": True,
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"compare_server_default": True,
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"include_object": include_object,
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}
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if connection is None:
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context.configure(
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url=database_url(),
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literal_binds=True,
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dialect_opts={"paramstyle": "named"},
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**options,
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)
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else:
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context.configure(connection=connection, **options)
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def run_migrations_offline() -> None:
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configure_context()
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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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configure_context(connection=connection)
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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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section = config.get_section(config.config_ini_section, {})
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section["sqlalchemy.url"] = database_url()
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connectable = async_engine_from_config(
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section,
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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)
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try:
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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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finally:
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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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