If the token is invalid, return an HTTP error right away.

{* ../../docs_src/security/tutorial004_an_py310.py hl[93:110] *}

## Update the `/token` *path operation* { #update-the-token-path-operation }

Create a `timedelta` with the expiration time of the token.

Create a real JWT access token and return it.

{* ../../docs_src/security/tutorial004_an_py310.py hl[121:136] *}

# Without aliases


@app.post("/optional-str", operation_id="optional_str")
async def read_optional_str(p: Annotated[str | None, Form()] = None):
    return {"p": p}


class FormModelOptionalStr(BaseModel):
    p: str | None = None


@app.post("/model-optional-str", operation_id="model_optional_str")
async def read_model_optional_str(p: Annotated[FormModelOptionalStr, Form()]):

# Without aliases


@app.post("/optional-bytes", operation_id="optional_bytes")
async def read_optional_bytes(p: Annotated[bytes | None, File()] = None):
    return {"file_size": len(p) if p else None}


@app.post("/optional-uploadfile", operation_id="optional_uploadfile")
async def read_optional_uploadfile(p: Annotated[UploadFile | None, File()] = None):

# Without aliases


@app.post("/required-str", operation_id="required_str")
async def read_required_str(p: Annotated[str, Form()]):
    return {"p": p}


class FormModelRequiredStr(BaseModel):
    p: str


@app.post("/model-required-str", operation_id="model_required_str")
async def read_model_required_str(p: Annotated[FormModelRequiredStr, Form()]):

participant dep_func as Dep scope="function"
participant operation as Path Operation

    client ->> dep_req: Start request
    Note over dep_req: Run code up to yield
    dep_req ->> dep_func: Pass dependency
    Note over dep_func: Run code up to yield
    dep_func ->> operation: Run path operation with dependency
    operation ->> dep_func: Return from path operation
    Note over dep_func: Run code after yield

     * read operations anyway:
     *
     * - All (unsynchronized) read operations must first read the "count" field, and should not
     * look at table entries if it is 0.
     *
     * - All (synchronized) write operations should write to the "count" field after structurally
     * changing any bin. The operations must not take any action that could even momentarily

## Dokümantasyonda Bir *Path Operation*'ı Kullanımdan Kaldırma - OpenAPI { #documentation-deprecate-a-path-operation-openapi }

Bir *path operation*'ı kullanımdan kaldırmak ve bunu dokümantasyon arayüzünde göstermek için, [Tutorial - Path Operation Configurations - Deprecation](../tutorial/path-operation-configuration.md#deprecate-a-path-operation) dokümantasyonunu okuyun.

# Without aliases


@app.post("/list-bytes", operation_id="list_bytes")
async def read_list_bytes(p: Annotated[list[bytes], File()]):
    return {"file_size": [len(file) for file in p]}


@app.post("/list-uploadfile", operation_id="list_uploadfile")
async def read_list_uploadfile(p: Annotated[list[UploadFile], File()]):

## Özel Operation ID'ler ve Daha İyi Method İsimleri { #custom-operation-ids-and-better-method-names }

Bu operation ID'lerin **üretilme** şeklini **değiştirerek**, client'larda daha basit **method isimleri** elde edebilirsiniz.

Bu durumda, her operation ID'nin **benzersiz** olduğundan başka bir şekilde emin olmanız gerekir.

	// * a boolean to indicate success/failure of the operation
	// * an error on failure of lock request operation.
	RLock(ctx context.Context, args LockArgs) (bool, error)

	// Do write lock for given LockArgs. It should return
	// * a boolean to indicate success/failure of the operation
	// * an error on failure of lock request operation.
	Lock(ctx context.Context, args LockArgs) (bool, error)