class BaseItem(BaseModel):
    description: str
    type: str


class CarItem(BaseItem):
    type: str = "car"


class PlaneItem(BaseItem):
    type: str = "plane"
    size: int


items = {
    "item1": {"description": "All my friends drive a low rider", "type": "car"},
    "item2": {
        "description": "Music is my aeroplane, it's my aeroplane",
        "type": "plane",
        "size": 5,

    response = client.get("/items/item1")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "description": "All my friends drive a low rider",
        "type": "car",
    }


@needs_py310
def test_get_plane(client: TestClient):
    response = client.get("/items/item2")
    assert response.status_code == 200, response.text
    assert response.json() == {

    // loader, even if it is not visible to the loader of the Resources class.

    File tempFile = createTempFile();
    PrintWriter writer = new PrintWriter(tempFile, "UTF-8");
    writer.println("rud a chur ar an méar fhada");
    writer.close();

    // First check that we can't find it without setting the context loader.
    // This is a sanity check that the test doesn't spuriously pass because

* **Không gây rối não**:
    * Không cần học ngôn ngữ mô tả cấu trúc mới.
    * Nếu bạn biết kiểu dữ liệu Python, bạn biết cách sử dụng Pydantic.
* Sử dụng tốt với **<abbr title="Môi trường phát triển tích hợp, tương tự như một trình soạn thảo code">IDE</abbr>/<abbr title="Một chương trình kiểm tra code lỗi">linter</abbr>/não của bạn**:

def test_get_car():
    response = client.get("/items/item1")
    assert response.status_code == 200, response.text
    assert response.json() == {
        "description": "All my friends drive a low rider",
        "type": "car",
    }


def test_get_plane():
    response = client.get("/items/item2")
    assert response.status_code == 200, response.text
    assert response.json() == {

    // loader, even if it is not visible to the loader of the Resources class.

    File tempFile = createTempFile();
    PrintWriter writer = new PrintWriter(tempFile, "UTF-8");
    writer.println("rud a chur ar an méar fhada");
    writer.close();

    // First check that we can't find it without setting the context loader.
    // This is a sanity check that the test doesn't spuriously pass because

Donc, pendant ce temps, l'ordinateur pourra effectuer d'autres tâches, pendant que "fichier-lent" 📝 se termine.

Ensuite l'ordinateur / le programme 🤖 reviendra à chaque fois qu'il en a la chance que ce soit parce qu'il attend à nouveau, ou car il 🤖 a fini tout le travail qu'il avait à faire. Il 🤖 regardera donc si les tâches qu'il attend ont terminé d'être effectuées.

WAY","Route":"2R2","Agency":2,"ViolationCode":"8939","ViolationDescr":"WHITE CURB","Fine":58,"Latitude":6439997.9,"Longitude":1802686.4} {"Ticket":1104820732,"IssueData":"2015-12-26T00:00:00","IssueTime":"1515","RPState":"CA","PlateExpiry":"","Make":"ACUR","BodyStyle":"PA","Color":"WH","Location":"100 WORLD WAY","Route":"2F11","Agency":2,"ViolationCode":"000","ViolationDescr":"17104h","Fine":"","Latitude":6440041.1,"Longitude":1802686.2} {"Ticket":1105461453,"IssueData":"2015-09-15T00:00:00","Issue...

                case '\n':
                    eol = true;
                    break;
                case '\r':
                    eol = true;
                    long cur = fp;
                    if( read() != '\n' ) {
                        fp = cur;
                    }
                    break;
                default:
                    input.append( (char)c );
                    break;
            }

///

## Documents OpenAPI et API

Si vous renvoyez directement des codes HTTP et des réponses supplémentaires, ils ne seront pas inclus dans le schéma OpenAPI (la documentation de l'API), car FastAPI n'a aucun moyen de savoir à l'avance ce que vous allez renvoyer.