""" Alembic env.py — 使用同步引擎(psycopg)执行迁移。 """ import os import sys from logging.config import fileConfig from sqlalchemy import create_engine, pool from alembic import context sys.path.insert(0, os.path.join(os.path.dirname(__file__), "..")) from app.core.db import Base, _database_url # 聚合注册所有 feature 的 model 到 Base.metadata from app.features.asset import models as _asset_models # noqa: F401 from app.features.auth import models as _auth_models # noqa: F401 from app.features.conversation import models as _conv_models # noqa: F401 from app.features.evaluation import models as _eval_models # noqa: F401 from app.features.memoir import models as _memoir_models # noqa: F401 from app.features.memory import models as _memory_models # noqa: F401 from app.features.payment import models as _payment_models # noqa: F401 from app.features.story import models as _story_models # noqa: F401 from app.features.user import models as _user_models # noqa: F401 config = context.config if config.config_file_name is not None: fileConfig(config.config_file_name) target_metadata = Base.metadata def run_migrations_offline() -> None: url = _database_url() context.configure( url=url, target_metadata=target_metadata, literal_binds=True, dialect_opts={"paramstyle": "named"}, ) with context.begin_transaction(): context.run_migrations() def run_migrations_online() -> None: connectable = create_engine( _database_url(), poolclass=pool.NullPool, ) with connectable.connect() as connection: context.configure(connection=connection, target_metadata=target_metadata) with context.begin_transaction(): context.run_migrations() if context.is_offline_mode(): run_migrations_offline() else: run_migrations_online()