57 lines
1.5 KiB
Python
57 lines
1.5 KiB
Python
import asyncio
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from logging.config import fileConfig
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from alembic import context
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from sqlalchemy import engine_from_config
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from sqlalchemy import pool
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from sqlalchemy.ext.asyncio import AsyncEngine
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from dotenv import dotenv_values
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from db import Base
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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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env = dotenv_values(".env")
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assert env['POSTGRES_URL']
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config.set_main_option('sqlalchemy.url', env['POSTGRES_URL'])
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target_metadata = Base.metadata
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def run_migrations_online():
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connectable = context.config.attributes.get("connection", None)
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if connectable is None:
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connectable = AsyncEngine(
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engine_from_config(
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context.config.get_section(context.config.config_ini_section),
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prefix="sqlalchemy.",
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poolclass=pool.NullPool,
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future=True
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)
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)
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if isinstance(connectable, AsyncEngine):
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asyncio.run(run_async_migrations(connectable))
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else:
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do_run_migrations(connectable)
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async def run_async_migrations(connectable):
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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 do_run_migrations(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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compare_type=True,
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)
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with context.begin_transaction():
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context.run_migrations()
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run_migrations_online() |