var retainDate objectlock.RetentionDate
	var legalHold objectlock.ObjectLegalHold

	retentionRequested := objectlock.IsObjectLockRetentionRequested(rq.Header)
	legalHoldRequested := objectlock.IsObjectLockLegalHoldRequested(rq.Header)

	retentionCfg, err := globalBucketObjectLockSys.Get(bucket)
	if err != nil {
		return mode, retainDate, legalHold, ErrInvalidBucketObjectLockConfiguration
	}

	if !retentionCfg.LockEnabled {

由于与 SQLAlchemy 和 SQLAlchemy 模型相关的代码位于单独的独立文件中，您甚至可以使用 Alembic 执行迁移，而无需安装 FastAPI、Pydantic 或其他任何东西。

同样，您将能够在与**FastAPI**无关的代码的其他部分中使用相同的 SQLAlchemy 模型和实用程序。

例如，在具有[Celery](https://docs.celeryq.dev/)、[RQ](https://python-rq.org/)或[ARQ](https://arq-docs.helpmanual.io/)的后台任务工作者中。

## 审查所有文件

最后回顾整个案例，您应该有一个名为的目录`my_super_project`，其中包含一个名为`sql_app`。

`sql_app`中应该有以下文件：

* `sql_app/__init__.py`：这是一个空文件。

🎏 🌌, 👆 🔜 💪 ⚙️ 🎏 🇸🇲 🏷 & 🚙 🎏 🍕 👆 📟 👈 🚫 🔗 **FastAPI**.

🖼, 🖥 📋 👨‍🏭 ⏮️ <a href="https://docs.celeryq.dev" class="external-link" target="_blank">🥒</a>, <a href="https://python-rq.org/" class="external-link" target="_blank">🅿</a>, ⚖️ <a href="https://arq-docs.helpmanual.io/" class="external-link" target="_blank">📶</a>.

## 📄 🌐 📁

 💭 👆 🔜 ✔️ 📁 📛 `my_super_project` 👈 🔌 🎧-📁 🤙 `sql_app`.

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    <glob pattern="*.sldasm" />
    <glob pattern="*.slddrw" />
    <sub-class-of type="application/x-tika-msoffice" />
  </mime-type>

  <mime-type type="application/sparql-query">
    <glob pattern="*.rq"/>
  </mime-type>
  <mime-type type="application/sparql-results+xml">
    <glob pattern="*.srx"/>
  </mime-type>
  <mime-type type="application/spirits-event+xml"/>
  <mime-type type="application/srgs">

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