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docs/uk/docs/tutorial/dependencies/index.md

## Бути `async` чи не бути `async` { #to-async-or-not-to-async }

Оскільки залежності також викликатимуться **FastAPI** (так само, як і ваші *функції операцій шляху*), під час визначення ваших функцій діють ті самі правила.

Ви можете використовувати `async def` або звичайний `def`.

Created: Sun Apr 05 07:19:11 GMT 2026

- Last Modified: Thu Mar 19 18:27:41 GMT 2026

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github.com/tiangolo/fastapi

docs_src/security/tutorial005_an_py310.py

            )
    return user


async def get_current_active_user(
    current_user: Annotated[User, Security(get_current_user, scopes=["me"])],
):
    if current_user.disabled:
        raise HTTPException(status_code=400, detail="Inactive user")
    return current_user


@app.post("/token")
async def login_for_access_token(

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

docs_src/websockets_/tutorial003_py310.py

    async def broadcast(self, message: str):
        for connection in self.active_connections:
            await connection.send_text(message)


manager = ConnectionManager()


@app.get("/")
async def get():
    return HTMLResponse(html)


@app.websocket("/ws/{client_id}")
async def websocket_endpoint(websocket: WebSocket, client_id: int):
    await manager.connect(websocket)
    try:
        while True:

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

docs_src/request_files/tutorial002_py310.py

app = FastAPI()


@app.post("/files/")
async def create_files(files: list[bytes] = File()):
    return {"file_sizes": [len(file) for file in files]}


@app.post("/uploadfiles/")
async def create_upload_files(files: list[UploadFile]):
    return {"filenames": [file.filename for file in files]}


@app.get("/")
async def main():
    content = """
<body>

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

docs_src/custom_request_and_route/tutorial001_py310.py

        async def custom_route_handler(request: Request) -> Response:
            request = GzipRequest(request.scope, request.receive)
            return await original_route_handler(request)

        return custom_route_handler


app = FastAPI()
app.router.route_class = GzipRoute


@app.post("/sum")
async def sum_numbers(numbers: list[int] = Body()):

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/codelibs/jcifs

src/main/java/jcifs/internal/witness/WitnessClient.java

                } catch (InterruptedException e) {
                    log.debug("Async notification monitoring interrupted for {}", registrationId);
                    Thread.currentThread().interrupt();
                    break;
                } catch (Exception e) {
                    log.debug("Error in async notification monitoring for {}: {}", registrationId, e.getMessage());

Created: Sun Apr 05 00:10:12 GMT 2026

- Last Modified: Sat Aug 30 05:58:03 GMT 2025

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github.com/minio/minio

cmd/local-locker_test.go

	"math/rand"
	"testing"
	"time"

	"github.com/google/uuid"
	"github.com/minio/minio/internal/dsync"
)

func TestLocalLockerExpire(t *testing.T) {
	wResources := make([]string, 1000)
	rResources := make([]string, 1000)
	quorum := 0
	l := newLocker()
	ctx := t.Context()
	for i := range wResources {
		arg := dsync.LockArgs{
			UID:       mustGetUUID(),
			Resources: []string{mustGetUUID()},
			Source:    t.Name(),

Created: Sun Apr 05 19:28:12 GMT 2026

- Last Modified: Fri Aug 29 02:39:48 GMT 2025

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github.com/tiangolo/fastapi

docs_src/custom_request_and_route/tutorial001_an_py310.py

        async def custom_route_handler(request: Request) -> Response:
            request = GzipRequest(request.scope, request.receive)
            return await original_route_handler(request)

        return custom_route_handler


app = FastAPI()
app.router.route_class = GzipRoute


@app.post("/sum")
async def sum_numbers(numbers: Annotated[list[int], Body()]):

Created: Sun Apr 05 07:19:11 GMT 2026

- Last Modified: Wed Dec 10 08:55:32 GMT 2025

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github.com/tiangolo/fastapi

docs_src/server_sent_events/tutorial001_py310.py

@app.get("/items/stream", response_class=EventSourceResponse)
async def sse_items() -> AsyncIterable[Item]:
    for item in items:
        yield item


@app.get("/items/stream-no-async", response_class=EventSourceResponse)
def sse_items_no_async() -> Iterable[Item]:
    for item in items:
        yield item


@app.get("/items/stream-no-annotation", response_class=EventSourceResponse)
async def sse_items_no_annotation():
    for item in items:

Created: Sun Apr 05 07:19:11 GMT 2026

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github.com/tiangolo/fastapi

tests/test_http_connection_injection.py

from starlette.websockets import WebSocket

app = FastAPI()
app.state.value = 42


async def extract_value_from_http_connection(conn: HTTPConnection):
    return conn.app.state.value


@app.get("/http")
async def get_value_by_http(value: int = Depends(extract_value_from_http_connection)):
    return value


@app.websocket("/ws")
async def get_value_by_ws(

Created: Sun Apr 05 07:19:11 GMT 2026

- Last Modified: Sun Aug 09 13:56:41 GMT 2020

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