val call = okHttpClient.newCall(Request(url.toHttpUrl()))

  val suites =
    call.executeAsync().use {
      if (!it.isSuccessful) {
        throw IOException("Failed ${it.code} ${it.message}")
      }
      it.body.string().lines()
        .mapNotNull { parseIanaCsvRow(it) }
    }

  return IanaSuites("current", suites)

```Python hl_lines="2  7  9"
{!../../../docs_src/custom_response/tutorial006c.py!}
```

### `StreamingResponse`

Takes an async generator or a normal generator/iterator and streams the response body.

```Python hl_lines="2  14"
{!../../../docs_src/custom_response/tutorial007.py!}
```

#### Using `StreamingResponse` with file-like objects

    withContext(Dispatchers.IO) {
      client.newCall(request).executeAsync().use { response ->
        fileSystem.sink(publicSuffixListDotDat).buffer().use { sink ->
          sink.writeAll(response.body.source())
        }
      }
    }

  private suspend fun readImportResults(): ImportResults =
    withContext(Dispatchers.IO) {
      val sortedRules: SortedSet<ByteString> = TreeSet()

3. The `Author` dataclass includes a list of `Item` dataclasses.

4. The `Author` dataclass is used as the `response_model` parameter.

5. You can use other standard type annotations with dataclasses as the request body.

    In this case, it's a list of `Item` dataclasses.

6. Here we are returning a dictionary that contains `items` which is a list of dataclasses.

    !!! tip "팁"
        가능하다면 `Annotated`가 달린 버전을 권장합니다.

    ```Python hl_lines="3"
    {!> ../../../docs_src/dependencies/tutorial001.py!}
    ```

### "의존자"에 의존성 명시하기

*경로 작동 함수*의 매개변수로 `Body`, `Query` 등을 사용하는 방식과 같이 새로운 매개변수로 `Depends`를 사용합니다:

=== "Python 3.10+"

    ```Python hl_lines="13  18"
    {!> ../../../docs_src/dependencies/tutorial001_an_py310.py!}
    ```

=== "Python 3.9+"

        Prefer to use the `Annotated` version if possible.

    ```Python hl_lines="4  76"
    {!> ../../../docs_src/security/tutorial003.py!}
    ```

`OAuth2PasswordRequestForm` is a class dependency that declares a form body with:

* The `username`.
* The `password`.
* An optional `scope` field as a big string, composed of strings separated by spaces.
* An optional `grant_type`.

!!! tip

    assertThat(recordedRequest.path)
      .isEqualTo("/lookup?ct&dns=AAABAAABAAAAAAAABmdvb2dsZQNjb20AAAEAAQ")
  }

  private fun dnsResponse(s: String): MockResponse {
    return MockResponse.Builder()
      .body(Buffer().write(s.decodeHex()))
      .addHeader("content-type", "application/dns-message")
      .addHeader("content-length", s.length / 2)
      .build()
  }

  private fun buildLocalhost(

	public static final field Companion Lokhttp3/MultipartBody$Part$Companion;
	public final fun -deprecated_body ()Lokhttp3/RequestBody;
	public final fun -deprecated_headers ()Lokhttp3/Headers;
	public synthetic fun <init> (Lokhttp3/Headers;Lokhttp3/RequestBody;Lkotlin/jvm/internal/DefaultConstructorMarker;)V
	public final fun body ()Lokhttp3/RequestBody;

## Nümunəni Yeniləyək

İndi gəlin `main.py` faylını `PUT` sorğusu ilə birlikdə <abbr title="Gövdə: Body ">gövdə</abbr> qəbul edəcək şəkildə dəyişdirək.

Pydantic sayəsində standart Python tiplərindən istifadə edərək <abbr title="Gövdə: Body ">gövdə</abbr>ni müəyyən edək.

```Python hl_lines="4  9-12  25-27"
from typing import Union

from fastapi import FastAPI

Then you just do the same in your tests.

E.g.:

* To pass a *path* or *query* parameter, add it to the URL itself.
* To pass a JSON body, pass a Python object (e.g. a `dict`) to the parameter `json`.
* If you need to send *Form Data* instead of JSON, use the `data` parameter instead.
* To pass *headers*, use a `dict` in the `headers` parameter.