60 lines
1.6 KiB
Python
60 lines
1.6 KiB
Python
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"""Alembic 环境配置:从 app.config 读取 URL,启用 autogenerate。"""
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from __future__ import annotations
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import sys
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from logging.config import fileConfig
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from pathlib import Path
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from alembic import context
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from sqlalchemy import engine_from_config, pool
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# 让 alembic 能 import app
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sys.path.insert(0, str(Path(__file__).resolve().parents[1]))
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from app.config import settings # noqa: E402
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from app.database import Base # noqa: E402
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from app.models import * # noqa: F401, F403, E402
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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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config.set_main_option("sqlalchemy.url", settings.sync_database_url)
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target_metadata = Base.metadata
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def run_migrations_offline() -> None:
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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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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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def run_migrations_online() -> None:
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connectable = 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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with connectable.connect() as 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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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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