pkg syscall (darwin-386), const IP_MSS = 576
pkg syscall (darwin-386), const IP_MULTICAST_IF = 9
pkg syscall (darwin-386), const IP_MULTICAST_IFINDEX = 66
pkg syscall (darwin-386), const IP_MULTICAST_LOOP = 11
pkg syscall (darwin-386), const IP_MULTICAST_TTL = 10
pkg syscall (darwin-386), const IP_MULTICAST_VIF = 14
pkg syscall (darwin-386), const IP_NAT__XXX = 55
pkg syscall (darwin-386), const IP_OFFMASK = 8191

pkg syscall (darwin-arm64), const IP_MULTICAST_IF = 9
pkg syscall (darwin-arm64), const IP_MULTICAST_IFINDEX = 66
pkg syscall (darwin-arm64), const IP_MULTICAST_IFINDEX ideal-int
pkg syscall (darwin-arm64), const IP_MULTICAST_LOOP = 11
pkg syscall (darwin-arm64), const IP_MULTICAST_TTL = 10
pkg syscall (darwin-arm64), const IP_MULTICAST_VIF = 14
pkg syscall (darwin-arm64), const IP_MULTICAST_VIF ideal-int

pkg syscall (freebsd-arm64), const IP_MSS ideal-int
pkg syscall (freebsd-arm64), const IP_MULTICAST_IF = 9
pkg syscall (freebsd-arm64), const IP_MULTICAST_LOOP = 11
pkg syscall (freebsd-arm64), const IP_MULTICAST_TTL = 10
pkg syscall (freebsd-arm64), const IP_MULTICAST_VIF = 14
pkg syscall (freebsd-arm64), const IP_MULTICAST_VIF ideal-int
pkg syscall (freebsd-arm64), const IP_OFFMASK = 8191

pkg syscall (netbsd-arm64-cgo), const IP_ADD_MEMBERSHIP = 12
pkg syscall (netbsd-arm64-cgo), const IP_DEFAULT_MULTICAST_LOOP = 1
pkg syscall (netbsd-arm64-cgo), const IP_DEFAULT_MULTICAST_LOOP ideal-int
pkg syscall (netbsd-arm64-cgo), const IP_DEFAULT_MULTICAST_TTL = 1
pkg syscall (netbsd-arm64-cgo), const IP_DEFAULT_MULTICAST_TTL ideal-int
pkg syscall (netbsd-arm64-cgo), const IP_DF = 16384

pkg syscall (freebsd-riscv64), const IP_MULTICAST_IF = 9 #53466
pkg syscall (freebsd-riscv64), const IP_MULTICAST_LOOP = 11 #53466
pkg syscall (freebsd-riscv64), const IP_MULTICAST_TTL = 10 #53466
pkg syscall (freebsd-riscv64), const IP_MULTICAST_VIF = 14 #53466
pkg syscall (freebsd-riscv64), const IP_MULTICAST_VIF ideal-int #53466
pkg syscall (freebsd-riscv64), const IP_OFFMASK = 8191 #53466

pkg mime/multipart, type File interface, Seek(int64, int) (int64, error)
pkg mime/multipart, type FileHeader struct
pkg mime/multipart, type FileHeader struct, Filename string
pkg mime/multipart, type FileHeader struct, Header textproto.MIMEHeader
pkg mime/multipart, type Form struct
pkg mime/multipart, type Form struct, File map[string][]*FileHeader
pkg mime/multipart, type Form struct, Value map[string][]string
pkg mime/multipart, type Part struct

pkg syscall (freebsd-386-cgo), const IPV6_BINDV6ONLY ideal-int
pkg syscall (freebsd-386-cgo), const IPV6_CHECKSUM ideal-int
pkg syscall (freebsd-386-cgo), const IPV6_DEFAULT_MULTICAST_HOPS ideal-int
pkg syscall (freebsd-386-cgo), const IPV6_DEFAULT_MULTICAST_LOOP ideal-int
pkg syscall (freebsd-386-cgo), const IPV6_DEFHLIM ideal-int
pkg syscall (freebsd-386-cgo), const IPV6_DONTFRAG ideal-int

      multipart.addPart(
        headersOf("Content-Type", "text/plain"),
        "Hello, World!".toRequestBody(null),
      )
    }
  }

  @Test
  fun contentLengthHeaderIsForbidden() {
    val multipart = MultipartBody.Builder()
    assertFailsWith<IllegalArgumentException> {
      multipart.addPart(
        headersOf("Content-Length", "13"),
        "Hello, World!".toRequestBody(null),
      )
    }

# 폼 및 파일 요청

`File` 과 `Form` 을 사용하여 파일과 폼을 함께 정의할 수 있습니다.

!!! info "정보"
    파일과 폼 데이터를 함께, 또는 각각 업로드하기 위해 먼저 <a href="https://github.com/Kludex/python-multipart" class="external-link" target="_blank">`python-multipart`</a>를 설치해야합니다.

    예 ) `pip install python-multipart`.

## `File` 및 `Form` 업로드

```Python hl_lines="1"
{!../../../docs_src/request_forms_and_files/tutorial001.py!}
```

## `File` 및 `Form` 매개변수 정의

!!! info
    Um hochgeladene Dateien und/oder Formulardaten zu empfangen, installieren Sie zuerst <a href="https://andrew-d.github.io/python-multipart/" class="external-link" target="_blank">`python-multipart`</a>.

    Z. B. `pip install python-multipart`.

## `File` und `Form` importieren

=== "Python 3.9+"

    ```Python hl_lines="3"
    {!> ../../../docs_src/request_forms_and_files/tutorial001_an_py39.py!}