dingdanquanliucheng/backend/migrations/env.py
2026-05-19 10:37:06 +08:00

50 lines
1.3 KiB
Python

from logging.config import fileConfig
from pathlib import Path
import sys
from alembic import context
from sqlalchemy import engine_from_config, pool
PROJECT_ROOT = Path(__file__).resolve().parents[2]
if str(PROJECT_ROOT) not in sys.path:
sys.path.insert(0, str(PROJECT_ROOT))
from backend.app.db import Base, build_database_url
from backend.app.models import * # noqa: F401,F403
config = context.config
config.set_main_option("sqlalchemy.url", build_database_url())
if config.config_file_name is not None:
fileConfig(config.config_file_name)
target_metadata = Base.metadata
def run_migrations_offline() -> None:
url = config.get_main_option("sqlalchemy.url")
context.configure(url=url, target_metadata=target_metadata, literal_binds=True)
with context.begin_transaction():
context.run_migrations()
def run_migrations_online() -> None:
connectable = engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix="sqlalchemy.",
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()