CRM Bot
87 lines
2.3 KiB
Python
87 lines
2.3 KiB
Python
"""Alembic environment for async SQLAlchemy.
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Reads DATABASE_URL from app.core.config and imports all models so
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autogenerate can detect schema changes.
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"""
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from __future__ import annotations
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import asyncio
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from logging.config import fileConfig
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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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# Import models so Base.metadata is populated
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import app.models # noqa: F401
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from alembic import context
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# Import settings + Base + all models
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from app.core.config import get_settings
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from app.core.db import Base
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config = context.config
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# Override sqlalchemy.url from app settings
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config.set_main_option("sqlalchemy.url", get_settings().DATABASE_URL)
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# Configure Python logging from alembic.ini
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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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# Metadata for autogenerate
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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"""Run migrations in 'offline' mode (emits SQL without a DB connection)."""
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url = config.get_main_option("sqlalchemy.url")
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context.configure(
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url=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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render_as_batch=True, # SQLite ALTER TABLE support
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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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"""Run migrations with the given connection."""
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context.configure(
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connection=connection,
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target_metadata=target_metadata,
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render_as_batch=True, # SQLite ALTER TABLE support
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)
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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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"""Run migrations in async mode using an async engine."""
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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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"""Run migrations in 'online' mode via asyncio."""
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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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