84 lines
2.1 KiB
Python
84 lines
2.1 KiB
Python
"""Alembic environment configuration."""
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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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from alembic import context
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# Import models and base
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from app.database import Base
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from app.models import * # noqa: F401, F403
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# this is the Alembic Config object
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config = context.config
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# Interpret the config file for Python logging.
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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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# Model metadata for autogenerate
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target_metadata = Base.metadata
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def get_url():
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"""Get database URL from environment or config."""
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import os
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return os.environ.get("DATABASE_URL", config.get_main_option("sqlalchemy.url"))
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def run_migrations_offline() -> None:
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"""Run migrations in 'offline' mode."""
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url = get_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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)
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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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"""Run migrations in async mode."""
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url = get_url()
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if url.startswith("postgresql://"):
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url = url.replace("postgresql://", "postgresql+asyncpg://", 1)
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configuration = config.get_section(config.config_ini_section)
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configuration["sqlalchemy.url"] = url
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connectable = async_engine_from_config(
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configuration,
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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."""
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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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