### 🎧-🔗

👆 💪 ✔️ 💗 🔗 & [🎧-🔗](tutorial/dependencies/sub-dependencies.md){.internal-link target=_blank} 🚫 🔠 🎏 (🔢 🔢 🔑), 👫 💪 ✍ ⏮️ `async def` & ⏮️ 😐 `def`. ⚫️ 🔜 👷, & 🕐 ✍ ⏮️ 😐 `def` 🔜 🤙 🔛 🔢 🧵 (⚪️➡️ 🧵) ↩️ ➖ "⌛".

### 🎏 🚙 🔢

🙆 🎏 🚙 🔢 👈 👆 🤙 🔗 💪 ✍ ⏮️ 😐 `def` ⚖️ `async def` & FastAPI 🏆 🚫 📉 🌌 👆 🤙 ⚫️.

Aynısı bağımlılıklar için de geçerlidir. Bir bağımlılık, "async def" yerine standart bir "def" işleviyse, harici iş parçacığı havuzunda çalıştırılır.

### Alt-bağımlıklar

state = initial_state.copy()

app = FastAPI()


async def get_database():
    temp_database = fake_database.copy()
    try:
        yield temp_database
        fake_database.update(temp_database)
    except HTTPException:
        state["except"] = True
        raise
    finally:
        state["finally"] = True


@app.put("/invalid-user/{user_id}")
def put_invalid_user(

)

app = FastAPI()


def verify_password(plain_password, hashed_password):
    return pwd_context.verify(plain_password, hashed_password)


def get_password_hash(password):
    return pwd_context.hash(password)


def get_user(db, username: str):
    if username in db:
        user_dict = db[username]
        return UserInDB(**user_dict)


def authenticate_user(fake_db, username: str, password: str):

from pydantic import BaseModel, ConfigDict

from .utils import needs_pydanticv1, needs_pydanticv2


@needs_pydanticv2
def test_read_with_orm_mode() -> None:
    class PersonBase(BaseModel):
        name: str
        lastname: str

    class Person(PersonBase):
        @property
        def full_name(self) -> str:
            return f"{self.name} {self.lastname}"

        model_config = ConfigDict(from_attributes=True)

app = FastAPI()

security = HTTPBasic(realm="simple")


@app.get("/users/me")
def read_current_user(credentials: HTTPBasicCredentials = Security(security)):
    return {"username": credentials.username, "password": credentials.password}


client = TestClient(app)


def test_security_http_basic():
    response = client.get("/users/me", auth=("john", "secret"))

class MySuperContextManager:
    def __init__(self):
        self.db = DBSession()

    def __enter__(self):
        return self.db

    def __exit__(self, exc_type, exc_value, traceback):
        self.db.close()


async def get_db():
    with MySuperContextManager() as db:

def test_get(client: TestClient):
    response = client.get("/items/plumbus")
    assert response.status_code == 200, response.text
    assert response.json() == "plumbus"


def test_fastapi_error(client: TestClient):
    with pytest.raises(FastAPIError) as exc_info:
        client.get("/items/portal-gun")
    assert "No response object was returned" in exc_info.value.args[0]


def test_internal_server_error():

engine = create_engine(sqlite_url, connect_args=connect_args)


def create_db_and_tables():
    SQLModel.metadata.create_all(engine)


def get_session():
    with Session(engine) as session:
        yield session


SessionDep = Annotated[Session, Depends(get_session)]
app = FastAPI()


@app.on_event("startup")
def on_startup():
    create_db_and_tables()

build_site_path = Path("site_build").absolute()


@lru_cache
def is_mkdocs_insiders() -> bool:
    version = metadata.version("mkdocs-material")
    return "insiders" in version


def get_en_config() -> Dict[str, Any]:
    return mkdocs.utils.yaml_load(en_config_path.read_text(encoding="utf-8"))


def get_lang_paths() -> List[Path]:
    return sorted(docs_path.iterdir())


def lang_callback(lang: Optional[str]) -> Union[str, None]: