#!/usr/bin/env bash

# shellcheck disable=SC2120
exit_1() {
	cleanup

	for site in sitea siteb; do
		echo "$site server logs ========="
		cat "/tmp/${site}_1.log"
		echo "==========================="
		cat "/tmp/${site}_2.log"
	done

	exit 1
}

cleanup() {
	echo -n "Cleaning up instances of MinIO ..."
	pkill -9 minio || sudo pkill -9 minio
	rm -rf /tmp/sitea
	rm -rf /tmp/siteb
	echo "done"
}

cleanup

catch() {
	if [ $# -ne 0 ]; then
		echo "error on line $1"
		for site in sitea siteb; do
			echo "$site server logs ========="
			cat "/tmp/${site}_1.log"
			echo "==========================="
			cat "/tmp/${site}_2.log"
		done
	fi

	echo "Cleaning up instances of MinIO"
	pkill minio
	pkill -9 minio
	rm -rf /tmp/multisitea
	rm -rf /tmp/multisiteb
	if [ $# -ne 0 ]; then
		exit $#
	fi
}

catch

                    gradleWrapper {
                        name = "GRADLE_RUNNER${if (repeatIndex == 0) "" else "_2"}"
                        tasks = ""
                        workingDir = os.perfTestWorkingDir

                        val typeExtraParameters = if (type.extraParameters.isEmpty()) "" else " ${type.extraParameters}"

FastAPI 不使用 `Optional[str]` 中的 `Optional`， 但 `Optional` 可以让编辑器提供更好的支持，并检测错误。

///

## 不使用 Pydantic

`Union[str, None]`에 있는 `Union`은 FastAPI에 의해 사용된 것이 아니지만, 편집기로 하여금 더 나은 지원과 에러 탐지를 지원할 것입니다.

///

## Pydantic없이

catch() {
	if [ $# -ne 0 ]; then
		echo "error on line $1"
		for site in sitea siteb sitec; do
			echo "$site server logs ========="
			cat "/tmp/${site}_1.log"
			echo "==========================="
			cat "/tmp/${site}_2.log"
		done
	fi

	echo "Cleaning up instances of MinIO"
	pkill minio
	pkill -9 minio
	rm -rf /tmp/multisitea
	rm -rf /tmp/multisiteb
	rm -rf /tmp/multisitec
	if [ $# -ne 0 ]; then
		exit $#
	fi
}

catch() {
	if [ $# -ne 0 ]; then
		echo "error on line $1"
		for site in sitea siteb; do
			echo "$site server logs ========="
			cat "/tmp/${site}_1.log"
			echo "==========================="
			cat "/tmp/${site}_2.log"
		done
	fi

	echo "Cleaning up instances of MinIO"
	pkill minio
	pkill -9 minio
	rm -rf /tmp/multisitea
	rm -rf /tmp/multisiteb
	rm -rf /tmp/data
	if [ $# -ne 0 ]; then
		exit $#
	fi
}

 `Union` `Union[str, None]` 🚫 ⚙️ FastAPI, ✋️ 🔜 ✔ 👆 👨‍🎨 🤝 👆 👍 🐕‍🦺 & 🔍 ❌.

///

## 🍵 Pydantic

## Без Pydantic

---

👆 💪 🔬 ⚫️ 😐 🔢 ↩️ `async def`:

```Python hl_lines="7"
{!../../docs_src/first_steps/tutorial003.py!}
```

/// note

🚥 👆 🚫 💭 🔺, ✅ [🔁: *"🏃 ❓"*](../async.md#_2){.internal-link target=_blank}.

///

### 🔁 5️⃣: 📨 🎚

```Python hl_lines="8"
{!../../docs_src/first_steps/tutorial001.py!}
```

👆 💪 📨 `dict`, `list`, ⭐ 💲 `str`, `int`, ♒️.