Request クラス

パスオペレーション関数または依存関係でパラメータの型を Request として宣言することで、検証などを一切行わずに生のリクエストオブジェクトに直接アクセスできます。

fastapiから直接インポートできます。

from fastapi import Request

ヒント

HTTPとWebSocketの両方と互換性があるべき依存関係を定義したい場合、RequestやWebSocketの代わりにHTTPConnectionを受け取るパラメータを定義できます。

fastapi.Request

Request(scope, receive=empty_receive, send=empty_send)

ベース: HTTPConnection

starlette/requests.py内のソースコード

def __init__(self, scope: Scope, receive: Receive = empty_receive, send: Send = empty_send):
    super().__init__(scope)
    assert scope["type"] == "http"
    self._receive = receive
    self._send = send
    self._stream_consumed = False
    self._is_disconnected = False
    self._form = None

scope instance-attribute

scope = scope

app property

app

url property

url

base_url property

base_url

headers property

headers

query_params property

query_params

path_params property

path_params

cookies property

cookies

client property

client

session property

session

auth property

auth

user property

user

state property

state

method property

method

receive property

receive

url_for

url_for(name, /, **path_params)

starlette/requests.py内のソースコード

def url_for(self, name: str, /, **path_params: Any) -> URL:
    url_path_provider: Router | Starlette | None = self.scope.get("router") or self.scope.get("app")
    if url_path_provider is None:
        raise RuntimeError("The `url_for` method can only be used inside a Starlette application or with a router.")
    url_path = url_path_provider.url_path_for(name, **path_params)
    return url_path.make_absolute_url(base_url=self.base_url)

stream async

stream()

starlette/requests.py内のソースコード

async def stream(self) -> AsyncGenerator[bytes, None]:
    if hasattr(self, "_body"):
        yield self._body
        yield b""
        return
    if self._stream_consumed:
        raise RuntimeError("Stream consumed")
    while not self._stream_consumed:
        message = await self._receive()
        if message["type"] == "http.request":
            body = message.get("body", b"")
            if not message.get("more_body", False):
                self._stream_consumed = True
            if body:
                yield body
        elif message["type"] == "http.disconnect":  # pragma: no branch
            self._is_disconnected = True
            raise ClientDisconnect()
    yield b""

body async

body()

starlette/requests.py内のソースコード

async def body(self) -> bytes:
    if not hasattr(self, "_body"):
        chunks: list[bytes] = []
        async for chunk in self.stream():
            chunks.append(chunk)
        self._body = b"".join(chunks)
    return self._body

json async

json()

starlette/requests.py内のソースコード

async def json(self) -> Any:
    if not hasattr(self, "_json"):  # pragma: no branch
        body = await self.body()
        self._json = json.loads(body)
    return self._json

form

form(
    *,
    max_files=1000,
    max_fields=1000,
    max_part_size=1024 * 1024
)

starlette/requests.py内のソースコード

def form(
    self,
    *,
    max_files: int | float = 1000,
    max_fields: int | float = 1000,
    max_part_size: int = 1024 * 1024,
) -> AwaitableOrContextManager[FormData]:
    return AwaitableOrContextManagerWrapper(
        self._get_form(max_files=max_files, max_fields=max_fields, max_part_size=max_part_size)
    )

close async

close()

starlette/requests.py内のソースコード

async def close(self) -> None:
    if self._form is not None:  # pragma: no branch
        await self._form.close()

is_disconnected async

is_disconnected()

starlette/requests.py内のソースコード

async def is_disconnected(self) -> bool:
    if not self._is_disconnected:
        message: Message = {}

        # If message isn't immediately available, move on
        with anyio.CancelScope() as cs:
            cs.cancel()
            message = await self._receive()

        if message.get("type") == "http.disconnect":
            self._is_disconnected = True

    return self._is_disconnected

send_push_promise async

send_push_promise(path)

starlette/requests.py内のソースコード

async def send_push_promise(self, path: str) -> None:
    if "http.response.push" in self.scope.get("extensions", {}):
        raw_headers: list[tuple[bytes, bytes]] = []
        for name in SERVER_PUSH_HEADERS_TO_COPY:
            for value in self.headers.getlist(name):
                raw_headers.append((name.encode("latin-1"), value.encode("latin-1")))
        await self._send({"type": "http.response.push", "path": path, "headers": raw_headers})