if item_id not in fake_db:
        raise HTTPException(status_code=404, detail="Item not found")
    return fake_db[item_id]


@app.post("/items/", response_model=Item)
async def create_item(item: Item, x_token: Annotated[str, Header()]):
    if x_token != fake_secret_token:
        raise HTTPException(status_code=400, detail="Invalid X-Token header")
    if item.id in fake_db:

from pydantic import BaseModel

app = FastAPI()


class Product(BaseModel):
    name: str
    description: str = None  # type: ignore
    price: float


@app.get("/product")
async def create_item(product: Product):
    return product


client = TestClient(app)


def test_get_with_body():
    body = {"name": "Foo", "description": "Some description", "price": 5.5}

	fmt.Println("# NOTE: Any existing app on the device with the app id specified by GOIOS_APP_ID")
	fmt.Println("# will be overwritten when running Go programs.")
	for _, mp := range mps {
		fmt.Println()
		f, err := os.CreateTemp("", "go_ios_detect_")
		check(err)
		fname := f.Name()
		defer os.Remove(fname)

		out := output(parseMobileProvision(mp))
		_, err = f.Write(out)
		check(err)
		check(f.Close())

package config

import (
	"os"
	"testing"
)

func createTempFile(prefix, content string) (tempFile string, err error) {
	var tmpfile *os.File

	if tmpfile, err = os.CreateTemp("", prefix); err != nil {
		return tempFile, err
	}

	if _, err = tmpfile.Write([]byte(content)); err != nil {
		return tempFile, err
	}

	if err = tmpfile.Close(); err != nil {
		return tempFile, err
	}

def get_app_client(separate_input_output_schemas: bool = True) -> TestClient:
    app = FastAPI(separate_input_output_schemas=separate_input_output_schemas)

    @app.post("/items/", responses={402: {"model": Item}})
    def create_item(item: Item) -> Item:
        return item

    @app.post("/items-list/")
    def create_item_list(item: List[Item]):
        return item

    @app.get("/items/")
    def read_items() -> List[Item]:

	}
}

// Tests if the environment we are running is Helm chart.
func TestGetHelmVersion(t *testing.T) {
	createTempFile := func(content string) string {
		tmpfile, err := os.CreateTemp("", "helm-testfile-")
		if err != nil {
			t.Fatalf("Unable to create temporary file. %s", err)
		}
		if _, err = tmpfile.WriteString(content); err != nil {
			t.Fatalf("Unable to create temporary file. %s", err)

		}
		b.WriteString("\n---\n")
	}
	return b.String()
}

func createTestFile(t *testing.T, data string) (string, io.Closer) {
	t.Helper()
	validFile, err := os.CreateTemp("", "TestValidateCommand")
	if err != nil {
		t.Fatal(err)
	}
	if _, err := validFile.WriteString(data); err != nil {
		t.Fatal(err)
	}
	return validFile.Name(), validFile
}

        class Item(BaseModel):
            name: str
            description: str | None = None

        app = FastAPI()
        router = APIRouter()

        @router.post("/items/")
        def create_item(item: Item):
            return {"message": "Item created"}

        app.include_router(router)
        ```
        """
        return self.api_route(
            path=path,

        class Item(BaseModel):
            name: str
            description: str | None = None

        app = FastAPI()

        @app.post("/items/")
        def create_item(item: Item):
            return {"message": "Item created"}
        ```
        """
        return self.router.post(
            path,
            response_model=response_model,

* 📝 Update example source files for SQL databases with SQLAlchemy. PR [#9508](https://github.com/tiangolo/fastapi/pull/9508) by [@s-mustafa](https://github.com/s-mustafa).
* 📝 Update code examples in docs for body, replace name `create_item` with `update_item` when appropriate. PR [#5913](https://github.com/tiangolo/fastapi/pull/5913) by [@OttoAndrey](https://github.com/OttoAndrey).