from typing import Annotated

from fastapi import Depends, FastAPI

from . import config

app = FastAPI()


@lru_cache
def get_settings():
    return config.Settings()


@app.get("/info")
async def info(settings: Annotated[config.Settings, Depends(get_settings)]):
    return {
        "app_name": settings.app_name,
        "admin_email": settings.admin_email,

app = FastAPI()


class CommonHeaders(BaseModel):
    host: str
    save_data: bool
    if_modified_since: str | None = None
    traceparent: str | None = None
    x_tag: list[str] = []


@app.get("/items/")
async def read_items(
    headers: Annotated[CommonHeaders, Header(convert_underscores=False)],
):

    return q


def query_or_cookie_extractor(
    q: str = Depends(query_extractor), last_query: str | None = Cookie(default=None)
):
    if not q:
        return last_query
    return q


@app.get("/items/")
async def read_query(query_or_default: str = Depends(query_or_cookie_extractor)):

    model_config = {"extra": "forbid"}

    limit: int = Field(100, gt=0, le=100)
    offset: int = Field(0, ge=0)
    order_by: Literal["created_at", "updated_at"] = "created_at"
    tags: list[str] = []


@app.get("/items/")
async def read_items(filter_query: FilterParams = Query()):

    assertFalse(task.isCancelled());

    // Finish the task by unblocking the task latch.  Then wait for the
    // listener to be called by blocking on the listener latch.
    taskLatch.countDown();
    assertEquals(25, task.get().intValue());
    assertTrue(listenerLatch.await(5, SECONDS));
    assertTrue(task.isDone());
    assertFalse(task.isCancelled());
  }

  public void testListenerCalledOnException() throws Exception {

* `@app.get()`
* `@app.post()`
* `@app.put()`
* `@app.delete()`
* vb.

{* ../../docs_src/response_status_code/tutorial001_py310.py hl[6] *}

/// note | Not

        StreamUtil.split(value, "\n").of(stream -> stream.filter(StringUtil::isNotBlank).forEach(s -> {
            final String[] values = StringUtils.split(s, "=", 2);
            List<Pair<String, String>> list = responseHeaderMap.get(values[0]);
            if (list == null) {
                list = new ArrayList<>();
                responseHeaderMap.put(values[0], list);
            }

                    when {
                        !left.isPresent -> right
                        !right.isPresent -> left
                        else -> Optional.of(combiner(left.get(), right.get()))
                    }
                }
            }
            .map { it.orElse(null) }
    }

* `@app.get()`
* `@app.post()`
* `@app.put()`
* `@app.delete()`
* тощо.

{* ../../docs_src/response_status_code/tutorial001_py310.py hl[6] *}

/// note | Примітка

Зверніть увагу, що `status_code` є параметром методу «декоратора» (`get`, `post`, тощо). Не вашої *функції операції шляху*, як усі параметри та тіло.

///

from fastapi import FastAPI

app = FastAPI()


@app.get("/")
def root():