68 行
1.8 KiB
Python
68 行
1.8 KiB
Python
from logging.config import fileConfig
|
|
import os
|
|
import sys
|
|
|
|
from sqlalchemy import engine_from_config
|
|
from sqlalchemy import pool
|
|
|
|
from alembic import context
|
|
|
|
# 确保项目根目录在 Python 路径中
|
|
sys.path.insert(0, os.path.dirname(os.path.dirname(os.path.abspath(__file__))))
|
|
|
|
# this is the Alembic Config object, which provides
|
|
# access to the values within the .ini file in use.
|
|
config = context.config
|
|
|
|
# Interpret the config file for Python logging.
|
|
# This line sets up loggers basically.
|
|
if config.config_file_name is not None:
|
|
fileConfig(config.config_file_name)
|
|
|
|
# 导入所有模型，使 autogenerate 能检测到所有表
|
|
from app.database import Base
|
|
import app.models # noqa: F401 - 导入所有模型
|
|
|
|
target_metadata = Base.metadata
|
|
|
|
# 从环境变量读取数据库 URL
|
|
from app.config import settings
|
|
config.set_main_option("sqlalchemy.url", settings.DATABASE_URL)
|
|
|
|
|
|
def run_migrations_offline() -> None:
|
|
"""Run migrations in 'offline' mode."""
|
|
url = config.get_main_option("sqlalchemy.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:
|
|
"""Run migrations in 'online' mode."""
|
|
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()
|