Files
DadaoTask/backend/alembic/env.py
T
Steven 2b493bd9f8
CI / backend (push) Canceled after 0s
fix(m0): 迁移可执行 + 测试全绿(33 条)
跑通迁移与测试后修掉的真问题:

- alembic 0001:asyncpg 走预备语句,一次 execute 只能一条 SQL。
  CREATE FUNCTION / CREATE POLICY / GRANT 全部拆成单语句逐条执行,
  否则报 "cannot insert multiple commands into a prepared statement"。
- 创建工作区:ORM flush 只按 relationship 排序,裸外键不算数,
  member 可能先于 workspace 落地撞 FK。改为先 flush workspace 再插 member。
- datetime.UTC 是 3.11+ 才有的,本机 3.10 直接 ImportError。改用 timezone.utc。
- 幂等中间件:原来会缓存 4xx。校验失败被缓存后,用户改对参数仍拿到同一个 422。
  改为只缓存 <400。
- 发码节流窗口改为可配置 SMS_THROTTLE_SECONDS(测试置 0),
  节流用例自己显式打开,避免"整库关掉节流"导致节流从未被验证。
- 租户隔离用例:pytest.raises(Exception) 改为精确的 ProgrammingError,
  否则任何异常都会让"应用角色不能建表"这条断言假通过。

验收:pytest 33 passed;ruff check / format 通过;真机跑 uvicorn,
/health、/version、登录、建工作区、列表、/auth/me 全通。
2026-10-28 03:22:59 +08:00

67 lines
1.8 KiB
Python

"""Alembic 环境:用**迁移角色**(owner)连接,与应用的受限角色分开。"""
from __future__ import annotations
import asyncio
from logging.config import fileConfig
from sqlalchemy import pool
from sqlalchemy.engine import Connection
from sqlalchemy.ext.asyncio import async_engine_from_config
from alembic import context
from app.config import get_settings
from app.models import Base
config = context.config
if config.config_file_name is not None:
fileConfig(config.config_file_name)
config.set_main_option("sqlalchemy.url", get_settings().migration_database_url)
target_metadata = Base.metadata
def run_migrations_offline() -> None:
context.configure(
url=config.get_main_option("sqlalchemy.url"),
target_metadata=target_metadata,
literal_binds=True,
dialect_opts={"paramstyle": "named"},
compare_type=True,
)
with context.begin_transaction():
context.run_migrations()
def do_run_migrations(connection: Connection) -> None:
context.configure(
connection=connection,
target_metadata=target_metadata,
compare_type=True,
# RLS 策略、GRANT 这类"非表结构"变更 autogenerate 看不见,必须手写
include_schemas=False,
)
with context.begin_transaction():
context.run_migrations()
async def run_async_migrations() -> None:
connectable = async_engine_from_config(
config.get_section(config.config_ini_section, {}),
prefix="sqlalchemy.",
poolclass=pool.NullPool,
)
async with connectable.connect() as connection:
await connection.run_sync(do_run_migrations)
await connectable.dispose()
def run_migrations_online() -> None:
asyncio.run(run_async_migrations())
if context.is_offline_mode():
run_migrations_offline()
else:
run_migrations_online()